peptide MFS transporter
Protein Classification
peptide MFS transporter( domain architecture ID 11459681)
peptide major facilitator superfamily (MFS) transporter from the NRT1/PTR/POT family is a proton-coupled transporter responsible for nitrogen assimilation through the uptake of peptides; it may function as a proton-dependent permease that transports di- and tripeptides.
List of domain hits
| Name | Accession | Description | Interval | E-value | ||||||||
| PTR2 | COG3104 | Dipeptide/tripeptide permease [Amino acid transport and metabolism]; |
11-497 | 0e+00 | ||||||||
Dipeptide/tripeptide permease [Amino acid transport and metabolism]; : Pssm-ID: 442338 [Multi-domain] Cd Length: 479 Bit Score: 581.77 E-value: 0e+00
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| Name | Accession | Description | Interval | E-value | ||||||||
| PTR2 | COG3104 | Dipeptide/tripeptide permease [Amino acid transport and metabolism]; |
11-497 | 0e+00 | ||||||||
Dipeptide/tripeptide permease [Amino acid transport and metabolism]; Pssm-ID: 442338 [Multi-domain] Cd Length: 479 Bit Score: 581.77 E-value: 0e+00
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| MFS_DtpA_like | cd17346 | Dipeptide and tripeptide permease A (DtpA)-like subfamily of the Major Facilitator Superfamily ... |
22-488 | 2.64e-142 | ||||||||
Dipeptide and tripeptide permease A (DtpA)-like subfamily of the Major Facilitator Superfamily of transporters; The DtpA-like subfamily includes four Escherichia coli proteins: dipeptide and tripeptide permeases A (DtpA, TppB or YdgR), B (DtpB or YhiP), C (DtpC or YjdL), and D (DtpD or YbgH). They are proton-dependent permeases that transport di- and tripeptides. DtpA and DtpB display a preference for di- and tripeptides composed of L-amino acids. DtpC shows higher specificity for dipeptides compared to tripeptides, and prefers dipeptides containing a C-terminal lysine residue. The DtpA-like subfamily belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340904 [Multi-domain] Cd Length: 399 Bit Score: 414.28 E-value: 2.64e-142
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| yjdL_sub1_fam | TIGR00924 | amino acid/peptide transporter (Peptide:H+ symporter), bacterial; The model describes ... |
18-493 | 1.11e-111 | ||||||||
amino acid/peptide transporter (Peptide:H+ symporter), bacterial; The model describes proton-dependent oligopeptide transporters in bacteria. This model is restricted in its range in recognizing bacterial proton-dependent oligopeptide transporters, although they are found in yeast, plants and animals. They function by proton symport in a 1:1 stoichiometry, which is variable in different species. All of them are predicted to contain 12 transmembrane domains, for which limited experimental evidence exists. [Transport and binding proteins, Amino acids, peptides and amines] Pssm-ID: 273342 [Multi-domain] Cd Length: 475 Bit Score: 339.12 E-value: 1.11e-111
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| PTR2 | pfam00854 | POT family; The POT (proton-dependent oligopeptide transport) family all appear to be proton ... |
96-466 | 2.14e-76 | ||||||||
POT family; The POT (proton-dependent oligopeptide transport) family all appear to be proton dependent transporters. Pssm-ID: 425909 [Multi-domain] Cd Length: 392 Bit Score: 244.92 E-value: 2.14e-76
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| tppB | PRK09584 | dipeptide/tripeptide permease DtpA; |
19-489 | 1.24e-63 | ||||||||
dipeptide/tripeptide permease DtpA; Pssm-ID: 181969 Cd Length: 500 Bit Score: 215.01 E-value: 1.24e-63
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| Name | Accession | Description | Interval | E-value | ||||||||
| PTR2 | COG3104 | Dipeptide/tripeptide permease [Amino acid transport and metabolism]; |
11-497 | 0e+00 | ||||||||
Dipeptide/tripeptide permease [Amino acid transport and metabolism]; Pssm-ID: 442338 [Multi-domain] Cd Length: 479 Bit Score: 581.77 E-value: 0e+00
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| MFS_DtpA_like | cd17346 | Dipeptide and tripeptide permease A (DtpA)-like subfamily of the Major Facilitator Superfamily ... |
22-488 | 2.64e-142 | ||||||||
Dipeptide and tripeptide permease A (DtpA)-like subfamily of the Major Facilitator Superfamily of transporters; The DtpA-like subfamily includes four Escherichia coli proteins: dipeptide and tripeptide permeases A (DtpA, TppB or YdgR), B (DtpB or YhiP), C (DtpC or YjdL), and D (DtpD or YbgH). They are proton-dependent permeases that transport di- and tripeptides. DtpA and DtpB display a preference for di- and tripeptides composed of L-amino acids. DtpC shows higher specificity for dipeptides compared to tripeptides, and prefers dipeptides containing a C-terminal lysine residue. The DtpA-like subfamily belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340904 [Multi-domain] Cd Length: 399 Bit Score: 414.28 E-value: 2.64e-142
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| yjdL_sub1_fam | TIGR00924 | amino acid/peptide transporter (Peptide:H+ symporter), bacterial; The model describes ... |
18-493 | 1.11e-111 | ||||||||
amino acid/peptide transporter (Peptide:H+ symporter), bacterial; The model describes proton-dependent oligopeptide transporters in bacteria. This model is restricted in its range in recognizing bacterial proton-dependent oligopeptide transporters, although they are found in yeast, plants and animals. They function by proton symport in a 1:1 stoichiometry, which is variable in different species. All of them are predicted to contain 12 transmembrane domains, for which limited experimental evidence exists. [Transport and binding proteins, Amino acids, peptides and amines] Pssm-ID: 273342 [Multi-domain] Cd Length: 475 Bit Score: 339.12 E-value: 1.11e-111
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| PTR2 | pfam00854 | POT family; The POT (proton-dependent oligopeptide transport) family all appear to be proton ... |
96-466 | 2.14e-76 | ||||||||
POT family; The POT (proton-dependent oligopeptide transport) family all appear to be proton dependent transporters. Pssm-ID: 425909 [Multi-domain] Cd Length: 392 Bit Score: 244.92 E-value: 2.14e-76
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| tppB | PRK09584 | dipeptide/tripeptide permease DtpA; |
19-489 | 1.24e-63 | ||||||||
dipeptide/tripeptide permease DtpA; Pssm-ID: 181969 Cd Length: 500 Bit Score: 215.01 E-value: 1.24e-63
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| PRK15462 | PRK15462 | dipeptide permease; |
21-447 | 1.49e-51 | ||||||||
dipeptide permease; Pssm-ID: 237971 [Multi-domain] Cd Length: 493 Bit Score: 182.46 E-value: 1.49e-51
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| PRK10207 | PRK10207 | dipeptide/tripeptide permease DtpB; |
17-495 | 5.88e-44 | ||||||||
dipeptide/tripeptide permease DtpB; Pssm-ID: 182306 Cd Length: 489 Bit Score: 161.53 E-value: 5.88e-44
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| MFS_SLC15A1_2_like | cd17347 | Solute carrier family 15 members 1 and 2, and similar Major Facilitator Superfamily ... |
22-482 | 4.64e-43 | ||||||||
Solute carrier family 15 members 1 and 2, and similar Major Facilitator Superfamily transporters; Solute carrier family 15 member 1 (SLC15A1) and SLC15A2 are members of the proton-coupled oligopeptide transporter (POT) family of integral membrane proteins that mediate the cellular uptake of di/tripeptides and peptide-like drugs. They mediate the proton-coupled active transport of a broad range of dipeptides and tripeptides, including zwitterionic, anionic and cationic peptides, as well as a variety of peptide-like drugs such as cefadroxil, enalapril, and valacyclovir. SLC15A1, or peptide transporter 1 (PepT1), is primarily expressed in the brush border membranes of enterocytes of the small intestine and is also known as the intestinal isoform. SLC15A2, or peptide transporter 2 (PepT2), is abundantly expressed in the apical membrane of kidney proximal tubules and is also referred to as the renal isoform. Both proteins transport di/tripeptides, but not tetrapeptides or free amino acids, using the energy generated by an inwardly directed transmembrane proton gradient. The SLC15A1/SLC15A2-like group belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340905 [Multi-domain] Cd Length: 427 Bit Score: 157.78 E-value: 4.64e-43
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| MFS_POT | cd06175 | Proton-coupled oligopeptide transporter (POT) family of the Major Facilitator Superfamily of ... |
27-458 | 2.29e-36 | ||||||||
Proton-coupled oligopeptide transporter (POT) family of the Major Facilitator Superfamily of transporters; The Proton-coupled oligopeptide transporter (POT) family is present across all major kingdoms of life and is known by a variety of names. It is referred to as the Nitrate transporter/Peptide transporter (NRT1/PTR) family (NPF) in plants, and in addition to POT, it is also known as the Peptide transporter (PepT/PTR) or Solute Carrier 15 (SLC15) family in animals. Members of this family are proton-driven symporters involved in nitrogen acquisition in the form of di- and tripeptides. Plant members transport other nitrogenous ligands including nitrate, the plant hormone auxin, and glucosinolate compounds that are important for seed defense. POT proteins exhibit substrate multispecificity, with one transporter able to recognize as many as 8,400 types of di/tripeptides and certain peptide-like drugs. The POT family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340865 [Multi-domain] Cd Length: 422 Bit Score: 139.49 E-value: 2.29e-36
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| MFS_SLC15A1 | cd17412 | Solute Carrier family 15 member 1 of the Major Facilitator Superfamily of transporters; Solute ... |
22-484 | 2.40e-30 | ||||||||
Solute Carrier family 15 member 1 of the Major Facilitator Superfamily of transporters; Solute carrier family 15 member 1 (SLC15A1), also called peptide transporter 1 (PepT1), is a member of the proton-coupled oligopeptide transporter (POT) family of integral membrane proteins that mediate the cellular uptake of di/tripeptides and peptide-like drugs. SLC15A1, as well as SLC15A2, mediate the proton-coupled active transport of a broad range of dipeptides and tripeptides, including zwitterionic, anionic and cationic peptides, as well as a variety of peptide-like drugs such as cefadroxil, enalapril, and valacyclovir. SLC15A1 is primarily expressed in the brush border membranes of enterocytes of the small intestine and is also known as the intestinal isoform. It is a high-capacity/low-affinity transporter that drives the transport of di-and tripeptides for metabolic purposes. It's expression is upregulated in the colon during chronic inflammation associated with inflammatory bowel disease. SLC15A1/PepT1 belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340970 [Multi-domain] Cd Length: 415 Bit Score: 122.26 E-value: 2.40e-30
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| MFS_SLC15A2 | cd17411 | Solute carrier family 15 member 2 of the Major Facilitator Superfamily of transporters; Solute ... |
32-487 | 6.12e-27 | ||||||||
Solute carrier family 15 member 2 of the Major Facilitator Superfamily of transporters; Solute carrier family 15 member 2 (SLC15A2), also called peptide transporter 2 (PepT2), is a member of the proton-coupled oligopeptide transporter (POT) family of integral membrane proteins that mediate the cellular uptake of di/tripeptides and peptide-like drugs. SLC15A2, as well as SLC15A1, mediate the proton-coupled active transport of a broad range of dipeptides and tripeptides, including zwitterionic, anionic and cationic peptides, as well as a variety of peptide-like drugs such as cefadroxil, enalapril, and valacyclovir. SLC15A2 is a high-affinity transporter and is abundantly expressed in the apical membrane of kidney proximal tubules and choroid plexus epithelial cells. It is the major transporter involved in the reclamation of peptide-bound amino acids and peptide-like drugs in the kidney, and is also called the renal isoform. In choroid plexus and the brain, it acts as an efflux transporter and plays a role in regulating peptide/neuropeptide homeostasis. SLC15A2/PepT2 belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340969 [Multi-domain] Cd Length: 403 Bit Score: 112.23 E-value: 6.12e-27
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| 2A1704 | TIGR00926 | Peptide:H+ symporter (also transports b-lactam antibiotics, the antitumor agent, bestatin, and ... |
37-384 | 8.10e-22 | ||||||||
Peptide:H+ symporter (also transports b-lactam antibiotics, the antitumor agent, bestatin, and various protease inhibitors); [Transport and binding proteins, Amino acids, peptides and amines] Pssm-ID: 273343 [Multi-domain] Cd Length: 654 Bit Score: 99.06 E-value: 8.10e-22
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| MFS_PTR2 | cd17350 | Peptide transporter PTR2 of the Major Facilitator Superfamily of transporters; Fungal peptide ... |
22-209 | 3.36e-17 | ||||||||
Peptide transporter PTR2 of the Major Facilitator Superfamily of transporters; Fungal peptide transporter or permease PTR2 is a member of the proton-coupled oligopeptide transporter (POT) family of integral membrane proteins that mediate the cellular uptake of di/tripeptides and peptide-like drugs. It is a 12-transmembrane domain (TMD) integral membrane protein that translocates di-/tripeptides. As with other POT family proteins, it displays characteristic substrate multispecificity. PTR2 belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340908 [Multi-domain] Cd Length: 438 Bit Score: 83.67 E-value: 3.36e-17
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| MFS_NPF | cd17351 | Plant NRT1/PTR family (NPF) of the Major Facilitator Superfamily of transporters; The plant ... |
28-205 | 3.48e-17 | ||||||||
Plant NRT1/PTR family (NPF) of the Major Facilitator Superfamily of transporters; The plant Nitrate transporter/Peptide transporter (NRT1/PTR) family (NPF) is related to the POT (proton-coupled oligopeptide transporter), Peptide transporter (PepT/PTR), or Solute Carrier 15 (SLC15) family in animals. In contrast to related animal and bacterial counterparts, the plant proteins transport a wide variety of substrates including nitrate, peptides, amino acids, dicarboxylates, glucosinolates, as well as the plant hormones indole-3-acetic acid (IAA) and abscisic acid (ABA). A recent study identified eight subfamilies within this family, named NPF1-NPF8. NPF belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340909 [Multi-domain] Cd Length: 445 Bit Score: 83.83 E-value: 3.48e-17
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| MFS_NPF8 | cd17418 | NRT1/PTR family (NPF), subfamily 8 of the Major Facilitator Superfamily of transporters; The ... |
31-196 | 6.33e-14 | ||||||||
NRT1/PTR family (NPF), subfamily 8 of the Major Facilitator Superfamily of transporters; The plant Nitrate transporter/Peptide transporter (NRT1/PTR) family (NPF) is related to the POT (proton-coupled oligopeptide transporter), Peptide transporter (PepT/PTR), or Solute Carrier 15 (SLC15) family in animals. In contrast to related animal and bacterial counterparts, the plant proteins transport a wide variety of substrates including nitrate, peptides, amino acids, dicarboxylates, glucosinolates, as well as the plant hormones indole-3-acetic acid (IAA) and abscisic acid (ABA). A recent study identified eight subfamilies within this family, named NPF1-NPF8. NPF8 contains the Arabidopsis dipeptide transporters AtNPF8.1 (PTR1), AtNPF8.2 (PTR5), and AtNPF8.3 (PTR2), as well as tonoplast-localized transporters AtNPF8.4 (PTR4) and AtNPF8.5 (PTR6). Oryza sativa NRT1 (now called OsNPF8.9) is a low-affinity nitrate transporter. NPF8 belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340976 [Multi-domain] Cd Length: 447 Bit Score: 73.66 E-value: 6.33e-14
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| MFS_NPF5 | cd17417 | NRT1/PTR family (NPF), subfamily 5 of the Major Facilitator Superfamily of transporters; The ... |
32-205 | 3.19e-13 | ||||||||
NRT1/PTR family (NPF), subfamily 5 of the Major Facilitator Superfamily of transporters; The plant Nitrate transporter/Peptide transporter (NRT1/PTR) family (NPF) is related to the POT (proton-coupled oligopeptide transporter), Peptide transporter (PepT/PTR), or Solute Carrier 15 (SLC15) family in animals. In contrast to related animal and bacterial counterparts, the plant proteins transport a wide variety of substrates including nitrate, peptides, amino acids, dicarboxylates, glucosinolates, as well as the plant hormones indole-3-acetic acid (IAA) and abscisic acid (ABA). A recent study identified eight subfamilies within this family, named NPF1-NPF8. NPF5 includes Arabidopsis thaliana PTR3 (AtPTR3, now named AtNPF5.2), which is a wound-induced peptide transporter that is necessary for defense against virulent bacterial pathogens. NPF5 belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340975 [Multi-domain] Cd Length: 452 Bit Score: 71.53 E-value: 3.19e-13
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| MFS_MdtH_MDR_like | cd17329 | Multidrug resistance protein MdtH and similar multidrug resistance (MDR) transporters of the ... |
25-483 | 6.62e-12 | ||||||||
Multidrug resistance protein MdtH and similar multidrug resistance (MDR) transporters of the Major Facilitator Superfamily; This family is composed of Escherichia coli MdtH and similar multidrug resistance (MDR) transporters from bacteria and archaea, many of which remain uncharacterized. MDR transporters are drug/H+ antiporters (DHA) that mediate the efflux of a variety of drugs and toxic compounds, and confer resistance to these compounds. MdtH confers resistance to norfloxacin and enoxacin. MdtH-like MDR transporters belong to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340887 [Multi-domain] Cd Length: 376 Bit Score: 66.87 E-value: 6.62e-12
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| UhpC | COG2271 | Sugar phosphate permease [Carbohydrate transport and metabolism]; |
37-209 | 2.53e-11 | ||||||||
Sugar phosphate permease [Carbohydrate transport and metabolism]; Pssm-ID: 441872 [Multi-domain] Cd Length: 363 Bit Score: 65.28 E-value: 2.53e-11
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| MFS_NPF6 | cd17413 | NRT1/PTR family (NPF), subfamily 6 of the Major Facilitator Superfamily of transporters; The ... |
28-204 | 4.07e-11 | ||||||||
NRT1/PTR family (NPF), subfamily 6 of the Major Facilitator Superfamily of transporters; The plant Nitrate transporter 1/Peptide transporter (NRT1/PTR) family (NPF) is related to the POT (proton-coupled oligopeptide transporter), Peptide transporter (PepT/PTR), or Solute Carrier 15 (SLC15) family in animals. In contrast to related animal and bacterial counterparts, the plant proteins transport a wide variety of substrates including nitrate, peptides, amino acids, dicarboxylates, glucosinolates, as well as the plant hormones indole-3-acetic acid (IAA) and abscisic acid (ABA). A recent study identified eight subfamilies within this family, named NPF1-NPF8. NPF6 includes the first identified member of the NRT1/PTR family: Arabidopsis thaliana NRT1.1, now called AtNPF6.3. It is a dual affinity nitrate influx transporter and a nitrate sensor. It also transports auxin and has nitrate efflux activity. NPF6 belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340971 [Multi-domain] Cd Length: 457 Bit Score: 64.78 E-value: 4.07e-11
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| MFS_SLC15A3_4 | cd17348 | Solute Carrier family 15 members 3 and 4 of the Major Facilitator Superfamily of transporters; ... |
28-207 | 1.34e-10 | ||||||||
Solute Carrier family 15 members 3 and 4 of the Major Facilitator Superfamily of transporters; Solute carrier family 15 members 3 (SLC15A3) and 4 (SLC15A4) are members of the proton-coupled oligopeptide transporter (POT) family of integral membrane proteins that mediate the cellular uptake of di/tripeptides and peptide-like drugs. They are peptide/histidine transporters (PHTs) that transport free histidine in addition to di/tripeptides. SLC15A4, also called peptide transporter 4 or peptide/histidine transporter 1 (PHT1), is expressed in the human brain, retina, placenta, and immune cells. It is required for Toll-like receptor 7 (TLR7)- and TLR9-mediated type I interferon production in plasmacytoid dendritic cells (pDCs) and is involved in the pathogenesis of lupus-like autoimmunity. SLC15A3, also called osteoclast transporter, peptide transporter 3, or peptide/histidine transporter 2 (PHT2), is expressed in immune tissues including the spleen and thymus. The SLC15A3/SLC15A4 group belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340906 [Multi-domain] Cd Length: 435 Bit Score: 63.27 E-value: 1.34e-10
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| MFS_NPF7 | cd17419 | NRT1/PTR family (NPF), subfamily 7 of the Major Facilitator Superfamily of transporters; The ... |
38-204 | 1.59e-10 | ||||||||
NRT1/PTR family (NPF), subfamily 7 of the Major Facilitator Superfamily of transporters; The plant Nitrate transporter/Peptide transporter (NRT1/PTR) family (NPF) is related to the POT (proton-coupled oligopeptide transporter), Peptide transporter (PepT/PTR), or Solute Carrier 15 (SLC15) family in animals. In contrast to related animal and bacterial counterparts, the plant proteins transport a wide variety of substrates including nitrate, peptides, amino acids, dicarboxylates, glucosinolates, as well as the plant hormones indole-3-acetic acid (IAA) and abscisic acid (ABA). A recent study identified eight subfamilies within this family, named NPF1-NPF8. NPF7 includes the nitrate transporters AtNPF7.2 and AtNPF7.3, as well as the dipeptide transporter OsNPF7.3. AtNPF7.3 is a bidirectional transporter involved in nitrate influx and efflux. NPF7 belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340977 [Multi-domain] Cd Length: 447 Bit Score: 63.16 E-value: 1.59e-10
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| NarK | COG2223 | Nitrate/nitrite transporter NarK [Inorganic ion transport and metabolism]; |
25-209 | 6.46e-10 | ||||||||
Nitrate/nitrite transporter NarK [Inorganic ion transport and metabolism]; Pssm-ID: 441825 [Multi-domain] Cd Length: 392 Bit Score: 61.05 E-value: 6.46e-10
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| AraJ | COG2814 | Predicted arabinose efflux permease AraJ, MFS family [Carbohydrate transport and metabolism]; |
59-244 | 1.15e-09 | ||||||||
Predicted arabinose efflux permease AraJ, MFS family [Carbohydrate transport and metabolism]; Pssm-ID: 442063 [Multi-domain] Cd Length: 348 Bit Score: 59.99 E-value: 1.15e-09
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| MFS_NPF3 | cd17415 | NRT1/PTR family (NPF), subfamily 3 of the Major Facilitator Superfamily of transporters; The ... |
28-204 | 1.42e-09 | ||||||||
NRT1/PTR family (NPF), subfamily 3 of the Major Facilitator Superfamily of transporters; The plant Nitrate transporter/Peptide transporter (NRT1/PTR) family (NPF) is related to the POT (proton-coupled oligopeptide transporter), Peptide transporter (PepT/PTR), or Solute Carrier 15 (SLC15) family in animals. In contrast to related animal and bacterial counterparts, the plant proteins transport a wide variety of substrates including nitrate, peptides, amino acids, dicarboxylates, glucosinolates, as well as the plant hormones indole-3-acetic acid (IAA) and abscisic acid (ABA). A recent study identified eight subfamilies within this family, named NPF1-NPF8. NPF3 is the smallest NPF subfamily and it includes Cucumis sativus nitrite transporter (CsNitr1), now named CsNPF3.2. It functions as a chloroplast nitrite uptake transporter to remove toxic nitrite from the cytosol. NPF3 belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340973 [Multi-domain] Cd Length: 448 Bit Score: 60.15 E-value: 1.42e-09
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| MFS_arabinose_efflux_permease_like | cd17473 | Putative arabinose efflux permease family transporters of the Major Facilitator Superfamily; ... |
34-201 | 1.51e-09 | ||||||||
Putative arabinose efflux permease family transporters of the Major Facilitator Superfamily; This family includes a group of putative arabinose efflux permease family transporters, such as alpha proteobacterium quinolone resistance protein NorA (characterized Staphylococcus aureus Quinolone resistance protein NorA belongs to a different group), Desulfovibrio dechloracetivorans bacillibactin exporter, Vibrio aerogenes antiseptic resistance protein. The biological function of those transporters remain unclear. They belong to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 341026 [Multi-domain] Cd Length: 374 Bit Score: 59.51 E-value: 1.51e-09
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| MFS_MdtG_SLC18_like | cd17325 | bacterial MdtG-like and eukaryotic solute carrier 18 (SLC18) family of the Major Facilitator ... |
18-207 | 1.74e-09 | ||||||||
bacterial MdtG-like and eukaryotic solute carrier 18 (SLC18) family of the Major Facilitator Superfamily of transporters; This family is composed of eukaryotic solute carrier 18 (SLC18) family transporters and related bacterial multidrug resistance (MDR) transporters including several proteins from Escherichia coli such as multidrug resistance protein MdtG, from Bacillus subtilis such as multidrug resistance proteins 1 (Bmr1) and 2 (Bmr2), and from Staphylococcus aureus such as quinolone resistance protein NorA. The family also includes Escherichia coli arabinose efflux transporters YfcJ and YhhS. MDR transporters are drug/H+ antiporters (DHA) that mediate the efflux of a variety of drugs and toxic compounds, and confer resistance to these compounds. The SLC18 transporter family includes vesicular monoamine transporters (VAT1 and VAT2), vesicular acetylcholine transporter (VAChT), and SLC18B1, which is proposed to be a vesicular polyamine transporter (VPAT). The MdtG/SLC18 family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340883 [Multi-domain] Cd Length: 375 Bit Score: 59.51 E-value: 1.74e-09
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| MFS_1 | pfam07690 | Major Facilitator Superfamily; |
37-209 | 3.17e-09 | ||||||||
Major Facilitator Superfamily; Pssm-ID: 429598 [Multi-domain] Cd Length: 344 Bit Score: 58.58 E-value: 3.17e-09
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| MFS_MdtG_SLC18_like | cd17325 | bacterial MdtG-like and eukaryotic solute carrier 18 (SLC18) family of the Major Facilitator ... |
59-254 | 3.61e-08 | ||||||||
bacterial MdtG-like and eukaryotic solute carrier 18 (SLC18) family of the Major Facilitator Superfamily of transporters; This family is composed of eukaryotic solute carrier 18 (SLC18) family transporters and related bacterial multidrug resistance (MDR) transporters including several proteins from Escherichia coli such as multidrug resistance protein MdtG, from Bacillus subtilis such as multidrug resistance proteins 1 (Bmr1) and 2 (Bmr2), and from Staphylococcus aureus such as quinolone resistance protein NorA. The family also includes Escherichia coli arabinose efflux transporters YfcJ and YhhS. MDR transporters are drug/H+ antiporters (DHA) that mediate the efflux of a variety of drugs and toxic compounds, and confer resistance to these compounds. The SLC18 transporter family includes vesicular monoamine transporters (VAT1 and VAT2), vesicular acetylcholine transporter (VAChT), and SLC18B1, which is proposed to be a vesicular polyamine transporter (VPAT). The MdtG/SLC18 family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340883 [Multi-domain] Cd Length: 375 Bit Score: 55.27 E-value: 3.61e-08
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| CynX | COG2807 | Cyanate permease [Inorganic ion transport and metabolism]; |
59-201 | 6.19e-08 | ||||||||
Cyanate permease [Inorganic ion transport and metabolism]; Pssm-ID: 442057 [Multi-domain] Cd Length: 399 Bit Score: 54.88 E-value: 6.19e-08
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| MFS_ExuT_GudP_like | cd17319 | Hexuronate transporter, Glucarate transporter, and similar transporters of the Major ... |
37-205 | 8.59e-08 | ||||||||
Hexuronate transporter, Glucarate transporter, and similar transporters of the Major Facilitator Superfamily; This family is composed of predominantly bacterial transporters for hexuronate (ExuT), glucarate (GudP), galactarate (GarP), and galactonate (DgoT). They mediate the uptake of these compounds into the cell. They belong to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340877 [Multi-domain] Cd Length: 358 Bit Score: 54.11 E-value: 8.59e-08
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| MFS_NPF4 | cd17414 | NRT1/PTR family (NPF), subfamily 4 of the Major Facilitator Superfamily of transporters; The ... |
46-205 | 2.68e-07 | ||||||||
NRT1/PTR family (NPF), subfamily 4 of the Major Facilitator Superfamily of transporters; The plant Nitrate transporter/Peptide transporter (NRT1/PTR) family (NPF) is related to the POT (proton-coupled oligopeptide transporter), Peptide transporter (PepT/PTR), or Solute Carrier 15 (SLC15) family in animals. In contrast to related animal and bacterial counterparts, the plant proteins transport a wide variety of substrates including nitrate, peptides, amino acids, dicarboxylates, glucosinolates, as well as the plant hormones indole-3-acetic acid (IAA) and abscisic acid (ABA). A recent study identified eight subfamilies within this family, named NPF1-NPF8. Members of the NPF4 subfamily have been shown to transport ABA. NPF4 belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340972 [Multi-domain] Cd Length: 456 Bit Score: 52.80 E-value: 2.68e-07
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| UhpC | COG2271 | Sugar phosphate permease [Carbohydrate transport and metabolism]; |
59-205 | 2.78e-07 | ||||||||
Sugar phosphate permease [Carbohydrate transport and metabolism]; Pssm-ID: 441872 [Multi-domain] Cd Length: 363 Bit Score: 52.56 E-value: 2.78e-07
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| FucP | COG0738 | Fucose permease [Carbohydrate transport and metabolism]; |
56-209 | 5.77e-07 | ||||||||
Fucose permease [Carbohydrate transport and metabolism]; Pssm-ID: 440501 [Multi-domain] Cd Length: 391 Bit Score: 51.78 E-value: 5.77e-07
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| MFS_MJ1317_like | cd17370 | MJ1317 and similar transporters of the Major Facilitator Superfamily; This family is composed ... |
49-204 | 1.42e-06 | ||||||||
MJ1317 and similar transporters of the Major Facilitator Superfamily; This family is composed of Methanocaldococcus jannaschii MFS-type transporter MJ1317, Mycobacterium bovis protein Mb2288, and similar proteins. They are uncharacterized transporters belonging to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340928 [Multi-domain] Cd Length: 371 Bit Score: 50.23 E-value: 1.42e-06
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| ProP | COG0477 | MFS family permease, includes anhydromuropeptide permease AmpG [Carbohydrate transport and ... |
59-317 | 1.76e-06 | ||||||||
MFS family permease, includes anhydromuropeptide permease AmpG [Carbohydrate transport and metabolism, Amino acid transport and metabolism, Inorganic ion transport and metabolism, General function prediction only]; Pssm-ID: 440245 [Multi-domain] Cd Length: 295 Bit Score: 49.81 E-value: 1.76e-06
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| MFS | cd06174 | Major Facilitator Superfamily; The Major Facilitator Superfamily (MFS) is a large and diverse ... |
44-201 | 2.73e-06 | ||||||||
Major Facilitator Superfamily; The Major Facilitator Superfamily (MFS) is a large and diverse group of secondary transporters that includes uniporters, symporters, and antiporters. MFS proteins facilitate the transport across cytoplasmic or internal membranes of a variety of substrates including ions, sugar phosphates, drugs, neurotransmitters, nucleosides, amino acids, and peptides. They do so using the electrochemical potential of the transported substrates. Uniporters transport a single substrate, while symporters and antiporters transport two substrates in the same or in opposite directions, respectively, across membranes. MFS proteins are typically 400 to 600 amino acids in length, and the majority contain 12 transmembrane alpha helices (TMs) connected by hydrophilic loops. The N- and C-terminal halves of these proteins display weak similarity and may be the result of a gene duplication/fusion event. Based on kinetic studies and the structures of a few bacterial superfamily members, GlpT (glycerol-3-phosphate transporter), LacY (lactose permease), and EmrD (multidrug transporter), MFS proteins are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Bacterial members function primarily for nutrient uptake, and as drug-efflux pumps to confer antibiotic resistance. Some MFS proteins have medical significance in humans such as the glucose transporter Glut4, which is impaired in type II diabetes, and glucose-6-phosphate transporter (G6PT), which causes glycogen storage disease when mutated. Pssm-ID: 349949 [Multi-domain] Cd Length: 378 Bit Score: 49.35 E-value: 2.73e-06
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| MFS_YfcJ_like | cd17489 | Escherichia coli YfcJ, YhhS, and similar transporters of the Major Facilitator Superfamily; ... |
63-207 | 6.88e-06 | ||||||||
Escherichia coli YfcJ, YhhS, and similar transporters of the Major Facilitator Superfamily; This subfamily is composed of Escherichia coli membrane proteins, YfcJ and YhhS, Bacillus subtilis uncharacterized MFS-type transporter YwoG, and similar proteins. YfcJ and YhhS are putative arabinose efflux transporters. YhhS has been implicated glyphosate resistance. YfcJ-like arabinose efflux transporters belong to the bacterial MdtG-like and eukaryotic solute carrier 18 (SLC18) family of the Major Facilitator Superfamily (MFS) of transporters. MFS proteins are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 341042 [Multi-domain] Cd Length: 367 Bit Score: 48.36 E-value: 6.88e-06
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| MelB | COG2211 | Na+/melibiose symporter or related transporter [Carbohydrate transport and metabolism]; |
37-209 | 8.49e-06 | ||||||||
Na+/melibiose symporter or related transporter [Carbohydrate transport and metabolism]; Pssm-ID: 441813 [Multi-domain] Cd Length: 447 Bit Score: 47.97 E-value: 8.49e-06
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| MFS_FucP_MFSD4_like | cd17333 | Bacterial fucose permease, eukaryotic Major facilitator superfamily domain-containing protein ... |
79-255 | 2.13e-05 | ||||||||
Bacterial fucose permease, eukaryotic Major facilitator superfamily domain-containing protein 4, and similar proteins; This family is composed of bacterial L-fucose permease (FucP), eukaryotic Major facilitator superfamily domain-containing protein 4 (MFSD4) proteins, and similar proteins. L-fucose permease facilitates the uptake of L-fucose across the boundary membrane with the concomitant transport of protons into the cell; it can also transport L-galactose and D-arabinose. The MFSD4 subfamily consists of two vertebrate members: MFSD4A and MFSD4B. The function of MFSD4A is unknown. MFSD4B is more commonly know as Sodium-dependent glucose transporter 1 (NaGLT1), a primary fructose transporter in rat renal brush-border membranes that also facilitates sodium-independent urea uptake. The FucP/MFSD4 family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340891 [Multi-domain] Cd Length: 372 Bit Score: 46.55 E-value: 2.13e-05
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| AraJ | COG2814 | Predicted arabinose efflux permease AraJ, MFS family [Carbohydrate transport and metabolism]; |
23-169 | 2.28e-05 | ||||||||
Predicted arabinose efflux permease AraJ, MFS family [Carbohydrate transport and metabolism]; Pssm-ID: 442063 [Multi-domain] Cd Length: 348 Bit Score: 46.51 E-value: 2.28e-05
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| FucP | COG0738 | Fucose permease [Carbohydrate transport and metabolism]; |
59-207 | 2.74e-05 | ||||||||
Fucose permease [Carbohydrate transport and metabolism]; Pssm-ID: 440501 [Multi-domain] Cd Length: 391 Bit Score: 46.39 E-value: 2.74e-05
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| NarK | COG2223 | Nitrate/nitrite transporter NarK [Inorganic ion transport and metabolism]; |
59-205 | 5.93e-05 | ||||||||
Nitrate/nitrite transporter NarK [Inorganic ion transport and metabolism]; Pssm-ID: 441825 [Multi-domain] Cd Length: 392 Bit Score: 45.26 E-value: 5.93e-05
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| MFS_MJ1317_like | cd17370 | MJ1317 and similar transporters of the Major Facilitator Superfamily; This family is composed ... |
37-242 | 9.16e-05 | ||||||||
MJ1317 and similar transporters of the Major Facilitator Superfamily; This family is composed of Methanocaldococcus jannaschii MFS-type transporter MJ1317, Mycobacterium bovis protein Mb2288, and similar proteins. They are uncharacterized transporters belonging to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340928 [Multi-domain] Cd Length: 371 Bit Score: 44.84 E-value: 9.16e-05
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| MFS_NepI_like | cd17324 | Purine ribonucleoside efflux pump NepI and similar transporters of the Major Facilitator ... |
60-201 | 9.42e-05 | ||||||||
Purine ribonucleoside efflux pump NepI and similar transporters of the Major Facilitator Superfamily; This family is composed of purine efflux pumps such as Escherichia coli NepI and Bacillus subtilis PbuE, sugar efflux transporters such as Corynebacterium glutamicum arabinose efflux permease, multidrug resistance (MDR) transporters such as Streptomyces lividans chloramphenicol resistance protein (CmlR), and similar proteins. NepI and PbuE are involved in the efflux of purine ribonucleosides such as guanosine, adenosine and inosine, as well as purine bases like guanine, adenine, and hypoxanthine, and purine base analogs. They play a role in the maintenance of cellular purine base pools, as well as in protecting the cells and conferring resistance against toxic purine base analogs such as 6-mercaptopurine. MDR transporters are drug/H+ antiporters (DHA) that mediate the efflux of a variety of drugs and toxic compounds, and confer resistance to these compounds. The NepI-like family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340882 [Multi-domain] Cd Length: 370 Bit Score: 44.46 E-value: 9.42e-05
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| MFS_NPF1_2 | cd17416 | NRT1/PTR family (NPF), subfamily 1 and 2 of the Major Facilitator Superfamily of transporters; ... |
31-208 | 9.77e-05 | ||||||||
NRT1/PTR family (NPF), subfamily 1 and 2 of the Major Facilitator Superfamily of transporters; The plant Nitrate transporter/Peptide transporter (NRT1/PTR) family (NPF) is related to the POT (proton-coupled oligopeptide transporter), Peptide transporter (PepT/PTR), or Solute Carrier 15 (SLC15) family in animals. In contrast to related animal and bacterial counterparts, the plant proteins transport a wide variety of substrates including nitrate, peptides, amino acids, dicarboxylates, glucosinolates, as well as the plant hormones indole-3-acetic acid (IAA) and abscisic acid (ABA). A recent study identified eight subfamilies within this family, named NPF1-NPF8. NPF1 includes Medicago truncatula LATD/NIP, now named MtNPF1.7, which is a high-affinity nitrate transporter and is involved in nodulation and root architecture. NPF2 members are well-established nitrate and glucosinolate transporters, including Arabidopsis nitrate influx and efflux transporters with varied tissue and developmental specificity. Examples are AtNPF2.7, which is expressed in the cortex of mature roots, and AtNPF2.9, which is expressed in root companion cells where it is involved in phloem loading. NPF1/2 belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340974 [Multi-domain] Cd Length: 444 Bit Score: 44.56 E-value: 9.77e-05
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| MFS_FsR | cd17478 | Fosmidomycin resistance protein of the Major Facilitator Superfamily of transporters; ... |
38-243 | 2.59e-04 | ||||||||
Fosmidomycin resistance protein of the Major Facilitator Superfamily of transporters; Fosmidomycin resistance protein (FsR) confers resistance against fosmidomycin. It shows sequence similarity with the bacterial drug-export proteins that mediate resistance to tetracycline and chloramphenicol. This FsR family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 341031 [Multi-domain] Cd Length: 365 Bit Score: 43.31 E-value: 2.59e-04
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| 2A0115 | TIGR00895 | benzoate transport; [Transport and binding proteins, Carbohydrates, organic alcohols, and ... |
41-208 | 3.41e-04 | ||||||||
benzoate transport; [Transport and binding proteins, Carbohydrates, organic alcohols, and acids] Pssm-ID: 273327 [Multi-domain] Cd Length: 398 Bit Score: 43.11 E-value: 3.41e-04
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| MFS_SLC46_TetA_like | cd17330 | Eukaryotic Solute carrier 46 (SLC46) family, Bacterial Tetracycline resistance proteins, and ... |
25-201 | 4.41e-04 | ||||||||
Eukaryotic Solute carrier 46 (SLC46) family, Bacterial Tetracycline resistance proteins, and similar proteins of the Major Facilitator Superfamily of transporters; This family is composed of the eukaryotic proteins MFSD9, MFSD10, MFSD14, and SLC46 family proteins, as well as bacterial multidrug resistance (MDR) transporters such as tetracycline resistance protein TetA and multidrug resistance protein MdtG. MDR transporters are drug/H+ antiporters (DHA) that mediate the efflux of a variety of drugs and toxic compounds, and confer resistance to these compounds. TetA proteins confer resistance to tetracycline while MdtG confers resistance to fosfomycin and deoxycholate. The Solute carrier 46 (SLC46) family is composed of three vertebrate members (SLC46A1, SLC46A2, and SLC46A3), the best-studied of which is SLC46A1, which functions both as an intestinal proton-coupled high-affinity folate transporter involved in the absorption of folates and as an intestinal heme transporter which mediates heme uptake. MFSD10 facilitates the uptake of organic anions such as some non-steroidal anti-inflammatory drugs (NSAIDs) and confers resistance to such NSAIDs. The SLC46/TetA-like family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340888 [Multi-domain] Cd Length: 349 Bit Score: 42.57 E-value: 4.41e-04
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| CynX | COG2807 | Cyanate permease [Inorganic ion transport and metabolism]; |
59-202 | 1.15e-03 | ||||||||
Cyanate permease [Inorganic ion transport and metabolism]; Pssm-ID: 442057 [Multi-domain] Cd Length: 399 Bit Score: 41.40 E-value: 1.15e-03
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| MFS_FucP_MFSD4_like | cd17333 | Bacterial fucose permease, eukaryotic Major facilitator superfamily domain-containing protein ... |
37-205 | 2.59e-03 | ||||||||
Bacterial fucose permease, eukaryotic Major facilitator superfamily domain-containing protein 4, and similar proteins; This family is composed of bacterial L-fucose permease (FucP), eukaryotic Major facilitator superfamily domain-containing protein 4 (MFSD4) proteins, and similar proteins. L-fucose permease facilitates the uptake of L-fucose across the boundary membrane with the concomitant transport of protons into the cell; it can also transport L-galactose and D-arabinose. The MFSD4 subfamily consists of two vertebrate members: MFSD4A and MFSD4B. The function of MFSD4A is unknown. MFSD4B is more commonly know as Sodium-dependent glucose transporter 1 (NaGLT1), a primary fructose transporter in rat renal brush-border membranes that also facilitates sodium-independent urea uptake. The FucP/MFSD4 family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340891 [Multi-domain] Cd Length: 372 Bit Score: 40.00 E-value: 2.59e-03
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| MFS_YfcJ_like | cd17489 | Escherichia coli YfcJ, YhhS, and similar transporters of the Major Facilitator Superfamily; ... |
83-243 | 2.75e-03 | ||||||||
Escherichia coli YfcJ, YhhS, and similar transporters of the Major Facilitator Superfamily; This subfamily is composed of Escherichia coli membrane proteins, YfcJ and YhhS, Bacillus subtilis uncharacterized MFS-type transporter YwoG, and similar proteins. YfcJ and YhhS are putative arabinose efflux transporters. YhhS has been implicated glyphosate resistance. YfcJ-like arabinose efflux transporters belong to the bacterial MdtG-like and eukaryotic solute carrier 18 (SLC18) family of the Major Facilitator Superfamily (MFS) of transporters. MFS proteins are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 341042 [Multi-domain] Cd Length: 367 Bit Score: 39.88 E-value: 2.75e-03
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| MFS_arabinose_efflux_permease_like | cd17473 | Putative arabinose efflux permease family transporters of the Major Facilitator Superfamily; ... |
69-486 | 4.78e-03 | ||||||||
Putative arabinose efflux permease family transporters of the Major Facilitator Superfamily; This family includes a group of putative arabinose efflux permease family transporters, such as alpha proteobacterium quinolone resistance protein NorA (characterized Staphylococcus aureus Quinolone resistance protein NorA belongs to a different group), Desulfovibrio dechloracetivorans bacillibactin exporter, Vibrio aerogenes antiseptic resistance protein. The biological function of those transporters remain unclear. They belong to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 341026 [Multi-domain] Cd Length: 374 Bit Score: 39.09 E-value: 4.78e-03
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| MFS | cd06174 | Major Facilitator Superfamily; The Major Facilitator Superfamily (MFS) is a large and diverse ... |
37-204 | 5.63e-03 | ||||||||
Major Facilitator Superfamily; The Major Facilitator Superfamily (MFS) is a large and diverse group of secondary transporters that includes uniporters, symporters, and antiporters. MFS proteins facilitate the transport across cytoplasmic or internal membranes of a variety of substrates including ions, sugar phosphates, drugs, neurotransmitters, nucleosides, amino acids, and peptides. They do so using the electrochemical potential of the transported substrates. Uniporters transport a single substrate, while symporters and antiporters transport two substrates in the same or in opposite directions, respectively, across membranes. MFS proteins are typically 400 to 600 amino acids in length, and the majority contain 12 transmembrane alpha helices (TMs) connected by hydrophilic loops. The N- and C-terminal halves of these proteins display weak similarity and may be the result of a gene duplication/fusion event. Based on kinetic studies and the structures of a few bacterial superfamily members, GlpT (glycerol-3-phosphate transporter), LacY (lactose permease), and EmrD (multidrug transporter), MFS proteins are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Bacterial members function primarily for nutrient uptake, and as drug-efflux pumps to confer antibiotic resistance. Some MFS proteins have medical significance in humans such as the glucose transporter Glut4, which is impaired in type II diabetes, and glucose-6-phosphate transporter (G6PT), which causes glycogen storage disease when mutated. Pssm-ID: 349949 [Multi-domain] Cd Length: 378 Bit Score: 38.95 E-value: 5.63e-03
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| MFS_MosC_like | cd17393 | Membrane protein MosC and similar proteins of the Major Facilitator Superfamily of ... |
56-197 | 5.65e-03 | ||||||||
Membrane protein MosC and similar proteins of the Major Facilitator Superfamily of transporters; The gene encoding Sinorhizobium meliloti membrane protein MosC is part of the mos locus, which encodes the biosynthesis of the rhizopine 3-O-methyl-scyllo-inosamine. MosC belongs to the bacterial fucose permease, eukaryotic Major facilitator superfamily domain-containing protein 4 (FucP/MFSD4) family of the Major Facilitator Superfamily (MFS) of transporters. MFS proteins are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340951 [Multi-domain] Cd Length: 373 Bit Score: 39.16 E-value: 5.65e-03
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| MFS_Tpo1_MDR_like | cd17323 | Yeast Polyamine transporter 1 (Tpo1) and similar multidrug resistance (MDR) transporters of ... |
91-206 | 6.50e-03 | ||||||||
Yeast Polyamine transporter 1 (Tpo1) and similar multidrug resistance (MDR) transporters of the Major Facilitator Superfamily; This family is composed of fungal multidrug resistance (MDR) transporters including several proteins from Saccharomyces cerevisiae such as polyamine transporters 1-4 (Tpo1-4), quinidine resistance proteins 1-3 (Qdr1-3), dityrosine transporter 1 (Dtr1), fluconazole resistance protein 1 (Flr1), and protein HOL1. MDR transporters are drug/H+ antiporters (DHA) that mediate the efflux of a variety of drugs and toxic compounds, and confer resistance to these compounds. For example, Flr1 confers resistance to the azole derivative fluconazole while Tpo1 confers resistance and adaptation to quinidine and ketoconazole. The polyamine transporters are involved in the detoxification of excess polyamines in the cytoplasm. Tpo1-like MDR transporters belong to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 340881 [Multi-domain] Cd Length: 376 Bit Score: 38.71 E-value: 6.50e-03
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| MFS_MMR_MDR_like | cd17504 | Methylenomycin A resistance protein (also called MMR peptide)-like multidrug resistance (MDR) ... |
57-207 | 9.46e-03 | ||||||||
Methylenomycin A resistance protein (also called MMR peptide)-like multidrug resistance (MDR) transporters of the Major Facilitator Superfamily; This subfamily is composed of putative multidrug resistance (MDR) transporters including Chlamydia trachomatis antiseptic resistance protein QacA_2, and Serratia sp. DD3 Bmr3. MDR transporters are drug/H+ antiporters (DHA) that mediate the efflux of a variety of drugs and toxic compounds, and confer resistance to these compounds. This subfamily belongs to the Methylenomycin A resistance protein (also called MMR peptide) and similar multidrug resistance (MDR) transporters (MMR-like MDR transporter) family of the Major Facilitator Superfamily (MFS) of transporters. MFS proteins are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Pssm-ID: 341047 [Multi-domain] Cd Length: 371 Bit Score: 38.33 E-value: 9.46e-03
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| MFS_1 | pfam07690 | Major Facilitator Superfamily; |
38-173 | 9.53e-03 | ||||||||
Major Facilitator Superfamily; Pssm-ID: 429598 [Multi-domain] Cd Length: 344 Bit Score: 38.17 E-value: 9.53e-03
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