Solute carrier families 5 and 6-like; solute binding domain; This superfamily includes the ...
49-589
0e+00
Solute carrier families 5 and 6-like; solute binding domain; This superfamily includes the solute-binding domain of SLC5 proteins (also called the sodium/glucose cotransporters or solute sodium symporters), SLC6 proteins (also called the sodium- and chloride-dependent neurotransmitter transporters or Na+/Cl--dependent transporters), and nucleobase-cation-symport-1 (NCS1) transporters. SLC5s co-transport Na+ with sugars, amino acids, inorganic ions or vitamins. SLC6s include Na+/Cl--dependent plasma membrane transporters for the monoamine neurotransmitters serotonin, dopamine, and norepinephrine, and the amino acid neurotransmitters GABA and glycine. NCS1s are essential components of salvage pathways for nucleobases and related metabolites; their known substrates include allantoin, uracil, thiamine, and nicotinamide riboside. Members of this superfamily are important in human physiology and disease. They contain a functional core of 10 transmembrane helices (TMs): an inverted structural repeat, TMs1-5 and TMs6-10; TMs numbered to conform to the SLC6 Aquifex aeolicus LeuT.
The actual alignment was detected with superfamily member cd11511:
Pssm-ID: 444915 Cd Length: 541 Bit Score: 1016.00 E-value: 0e+00
Na(+)- and Cl(-)-dependent betaine/GABA transporter-1, and related proteins; solute-binding ...
49-589
0e+00
Na(+)- and Cl(-)-dependent betaine/GABA transporter-1, and related proteins; solute-binding domain; BGT1 is a relatively low-affinity transporter of gamma-aminobutyric acid (GABA), and can also transport betaine. GABA is the main inhibitory neurotransmitter within the mammalian CNS. Human BGT1 is encoded by the SLC6A12 gene, and is similar to mouse GAT2. Mouse GAT2 plays a role in transporting GABA across the blood-brain barrier. In addition to being expressed in cells of the central nervous system, BGT1 is expressed in peripheral tissues, including kidney, liver, and heart. An association has been shown between the SLC6A12 gene and the occurrence of aspirin-intolerant asthma, and BGT1 is a drug target for antiepileptic drugs. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 212080 Cd Length: 541 Bit Score: 1016.00 E-value: 0e+00
Na(+)- and Cl(-)-dependent betaine/GABA transporter-1, and related proteins; solute-binding ...
49-589
0e+00
Na(+)- and Cl(-)-dependent betaine/GABA transporter-1, and related proteins; solute-binding domain; BGT1 is a relatively low-affinity transporter of gamma-aminobutyric acid (GABA), and can also transport betaine. GABA is the main inhibitory neurotransmitter within the mammalian CNS. Human BGT1 is encoded by the SLC6A12 gene, and is similar to mouse GAT2. Mouse GAT2 plays a role in transporting GABA across the blood-brain barrier. In addition to being expressed in cells of the central nervous system, BGT1 is expressed in peripheral tissues, including kidney, liver, and heart. An association has been shown between the SLC6A12 gene and the occurrence of aspirin-intolerant asthma, and BGT1 is a drug target for antiepileptic drugs. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 212080 Cd Length: 541 Bit Score: 1016.00 E-value: 0e+00
Na(+)- and Cl(-)-dependent taurine transporter TauT, and related proteins; solute-binding ...
50-589
0e+00
Na(+)- and Cl(-)-dependent taurine transporter TauT, and related proteins; solute-binding domain; This subgroup represents the solute-binding domain of TauT-like Na(+)- and Cl(-)-dependent transporters. Family members include: human TauT which transports taurine, human GAT1, GAT2, and GAT3, and BGT1, which transport gamma-aminobutyric acid (GABA), and human CT1 which transports creatine. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 271387 Cd Length: 543 Bit Score: 942.39 E-value: 0e+00
Na(+)- and Cl(-)-dependent GABA transporter 2; solute-binding domain; This family includes ...
50-594
0e+00
Na(+)- and Cl(-)-dependent GABA transporter 2; solute-binding domain; This family includes human GAT2 (hGAT2) which transports gamma-aminobutyric acid (GABA). GABA is the main inhibitory neurotransmitter within the mammalian CNS. hGAT2 is encoded by the SLC6A13 gene, and is similar to mouse GAT-3, and rat GAT2. hGAT2 is expressed in brain, kidney, lung, and testis. hGAT2 is a potential drug target for treatment of epilepsy. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 271396 Cd Length: 544 Bit Score: 865.45 E-value: 0e+00
Na(+)- and Cl(-)-dependent GABA transporter 3; solute-binding domain; This family includes ...
49-589
0e+00
Na(+)- and Cl(-)-dependent GABA transporter 3; solute-binding domain; This family includes human GAT3 (hGAT3) a high-affinity transporter of gamma-aminobutyric acid (GABA). GABA is the main inhibitory neurotransmitter within the mammalian CNS. hGAT3 is encoded by the SLC6A11 gene, and is similar to mouse GAT4, and rat GAT3/GATB. GAT3 is expressed primarily in the glia of the brain, and is a potential drug target for antiepileptic drugs. This subgroup belongs to the solute carrier 6 (SLC6) transporter family
Pssm-ID: 212077 Cd Length: 542 Bit Score: 806.51 E-value: 0e+00
Na(+)- and Cl(-)-dependent taurine transporter; solute-binding domain; TauT is a Na(+)- and Cl ...
50-589
0e+00
Na(+)- and Cl(-)-dependent taurine transporter; solute-binding domain; TauT is a Na(+)- and Cl(-)-dependent, high-affinity, low-capacity transporter of taurine and beta-alanine. Human TauT is encoded by the SLC6A6 gene. TauT is expressed in brain, retina, liver, kidney, heart, spleen, and pancreas. It may play a part in the supply of taurine to the intestinal epithelium and in the between-meal-capture of taurine. It may also participate in re-absorbing taurine that has been deconjugated from bile acids in the distal lumen. Functional TauT protects kidney cells from nephrotoxicity caused by the chemotherapeutic agent cisplatin; cisplatin down-regulates TauT in a p53-dependent manner. In mice, TauT has been shown to be important for the maintenance of skeletal muscle function and total exercise capacity. TauT-/- mice develop additional clinically important diseases, some of which are characterized by apoptosis, including vision loss, olfactory dysfunction, and chronic liver disease. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 271398 Cd Length: 542 Bit Score: 760.55 E-value: 0e+00
Na(+)- and Cl(-)-dependent creatine transporter 1; solute-binding domain; CT1 (also called ...
50-589
0e+00
Na(+)- and Cl(-)-dependent creatine transporter 1; solute-binding domain; CT1 (also called CRTR, CRT) transports creatine. Human CT1 is encoded by the SLC6A8 gene. CT1 is ubiquitously expressed, with highest levels found in skeletal muscle and kidney. Creatine is absorbed from food or synthesized from arginine and plays an important role in energy metabolism. Deficiency in human CT1 leads to X-linked cerebral creatine transporter deficiency. In males, this disorder is characterized by language and speech delays, autistic-like behavior, seizures in about 50% of cases, and can also involve midfacial hypoplasia, and short stature. In females, it is characterized by mild cognitive impairment with behavior and learning problems. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 271397 Cd Length: 589 Bit Score: 678.88 E-value: 0e+00
Na(+)- and Cl(-)-dependent GABA transporter 1; solute-binding domain; GAT1 transports gamma-aminobutyric acid (GABA). GABA is the main inhibitory neurotransmitter within the mammalian CNS. Human GAT1 is encoded by the SLC6A1 gene. GAT1 is expressed in brain and peripheral nervous system. The antiepileptic drug, Tiagabine, inhibits GAT1. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 212075 [Multi-domain] Cd Length: 598 Bit Score: 654.35 E-value: 0e+00
Na(+)- and Cl(-)-dependent monoamine transporters, SERT, NET, DAT1 and related proteins; ...
50-589
0e+00
Na(+)- and Cl(-)-dependent monoamine transporters, SERT, NET, DAT1 and related proteins; solute binding domain; This subgroup represents the solute-binding domain of transmembrane transporters that transport monoamine neurotransmitters from synaptic spaces into presynaptic neurons. Members include: NET which transports norepinephrine, SERT which transports serotonin, and DAT1 which transports dopamine. These transporters may play a role in diseases including depression, anxiety disorders, attention-deficit hyperactivity disorder, and in the control of human behavior and emotional states. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 271388 Cd Length: 537 Bit Score: 630.12 E-value: 0e+00
Na(+)- and Cl(-)-dependent L-proline transporter PROT; solute-binding domain; PROT is a ...
50-589
0e+00
Na(+)- and Cl(-)-dependent L-proline transporter PROT; solute-binding domain; PROT is a high-affinity L-proline transporter that transports L-proline, and may have a role in excitatory neurotransmission. Human PROT is encoded by the SLC6A7 gene, a potential susceptible gene for asthma. PROT is expressed in the brain. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 271390 Cd Length: 541 Bit Score: 616.38 E-value: 0e+00
uncharacterized subgroup of the SERT-like Na(+)- and Cl(-)-dependent monoamine transporter ...
50-590
0e+00
uncharacterized subgroup of the SERT-like Na(+)- and Cl(-)-dependent monoamine transporter subfamily; solute binding domain; SERT-like Na(+)- and Cl(-)-dependent monoamine transporters, transport monoamine neurotransmitters from synaptic spaces into presynaptic neurons. Members include: the norepinephrine transporter NET, the serotonin transporter SERT , and the dopamine transporter DAT1. These latter may play a role in diseases or disorders including depression, anxiety disorders, and attention-deficit hyperactivity disorder, and in the control of human behavior and emotional states. They belongs to the solute carrier 6 (SLC6) transporter family. Members of this subgroup are uncharacterized.
Pssm-ID: 271405 Cd Length: 552 Bit Score: 565.17 E-value: 0e+00
Na(+)- and Cl(-)-dependent glycine transporter GlyT2; solute-binding domain; GlyT2 (also called NET1) is a membrane-bound transporter that re-uptakes glycine from the synaptic cleft. Human GlyT2 is encoded by the SLC6A5 gene. GlyT2 is expressed in brain and spinal cord. GlyT2 may play a role in pain, and in spasticity. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 271389 Cd Length: 597 Bit Score: 525.72 E-value: 0e+00
Na(+)- and Cl(-)-dependent dopamine transporter 1; solute-binding domain; DAT1 (also called ...
50-590
0e+00
Na(+)- and Cl(-)-dependent dopamine transporter 1; solute-binding domain; DAT1 (also called DAT), is a plasma membrane transport protein that functions at the dopaminergic synapses to transport dopamine from the extracellular space back into the presynaptic nerve terminal. Human DAT1 is encoded by the SLC6A3 gene, and is expressed in the brain. DAT1 may play a role in diseases or disorders related to dopaminergic neurons, including attention-deficit hyperactivity disorder (ADHD), Tourette syndrome, Parkinson's disease, alcoholism, drug abuse, schizophrenia, extraversion, and risky behavior. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 212083 Cd Length: 555 Bit Score: 525.65 E-value: 0e+00
Na(+)- and Cl(-)-dependent norepinephrine transporter NET; solute-binding domain; NET (also ...
50-590
3.33e-180
Na(+)- and Cl(-)-dependent norepinephrine transporter NET; solute-binding domain; NET (also called NAT1, NET1), is a transmembrane transporter that transports the neurotransmitter norepinephrine from synaptic spaces into presynaptic neurons. Human NET is encoded by the SLC6A2 gene. NET is expressed in brain, peripheral nervous system, adrenal gland, and placenta. NET may play a role in diseases or disorders including depression, orthostatic intolerance, anorexia nervosa, cardiovascular diseases, alcoholism, and attention-deficit hyperactivity disorder. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 212081 Cd Length: 560 Bit Score: 522.22 E-value: 3.33e-180
Solute carrier 6 family, neurotransmitter transporters; solute-binding domain; This family ...
51-531
1.71e-174
Solute carrier 6 family, neurotransmitter transporters; solute-binding domain; This family represents the solute-binding domain of SLC6 proteins (also called the sodium- and chloride-dependent neurotransmitter transporter family or Na+/Cl--dependent transporter family). These use sodium and chloride electrochemical gradients to catalyze the thermodynamically uphill movement of a variety of substrates, and include neurotransmitter transporters (NTTs). The latter are Na+/Cl--dependent plasma membrane transporters for the monoamine neurotransmitters serotonin (5-hydroxytryptamine), dopamine, and norepinephrine, and the amino acid neurotransmitters GABA and glycine. NTTs are widely expressed in the mammalian brain, and are involved in regulating neurotransmitter signaling and homeostasis, through facilitating the uptake of released neurotransmitters from the extracellular space into neurons and glial cells. NTTs are the target of a range of therapeutic drugs for the treatment of psychiatric diseases, such as major depression, anxiety disorders, attention deficit hyperactivity disorder and epilepsy. In addition, they are the primary targets of cocaine, amphetamines and other psychostimulants. This family also includes Drosophila Blot which is expressed primarily in epithelial tissues of ectodermal origin and in the nervous system of the embryo and larvae, but in addition found in the developing oocyte and the freshly laid egg. A lack or reduction of Blot function during oogenesis results in early arrest of embryonic development. 12 transmembrane helices (TMs) appears to be common for eukaryotic and some prokaryotic and archaeal SLC6s, (a core inverted topology repeat, TM1-5 and TM6-10, plus TMs11-12; TMs numbered to conform to the SLC6 Aquifex aeolicus LeuT), although a majority of bacterial, and some archaeal SLC6s lack TM12, for example the functional Fusobacterium nucleatum tyrosine transporter Tyt1.
Pssm-ID: 271359 [Multi-domain] Cd Length: 415 Bit Score: 502.05 E-value: 1.71e-174
System B(0) neutral amino acid transporter AT1, 2 and 3, and related proteins; solute-binding ...
50-566
1.32e-173
System B(0) neutral amino acid transporter AT1, 2 and 3, and related proteins; solute-binding domain; This subgroup includes the solute-binding domain of transmembrane transporters, which transport, i) neutral amino acids: NTT4 (also called XT1), SBAT1 (also called B0AT2, v7-3, NTT7-3), and B0AT1 (also called HND); the human genes encoding these are SLC6A17, SLC6A15, and SLC6A19 respectively, ii) glycine: B0AT3 (also called Xtrp2, XT2), iii) imino acids, such as proline, pipecolate, MeAIB, and sarcosine: SIT1 (also called XTRP3, XT3, IMINO). The human genes encoding B0AT3 and SIT1 are SLC6A18 and SLC6A20 respectively. Transporters in this subgroup may play a role in disorders including major depression, Hartnup disorder, increased susceptibility to myocardial infarction, and iminoglycinuria. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 271364 Cd Length: 531 Bit Score: 504.11 E-value: 1.32e-173
Na(+)- and Cl(-)-dependent glycine transporter GlyT1; solute-binding domain; GlyT1 is a ...
44-591
3.32e-172
Na(+)- and Cl(-)-dependent glycine transporter GlyT1; solute-binding domain; GlyT1 is a membrane-bound transporter that re-uptakes glycine from the synaptic cleft. Human GlyT1 is encoded by the SLC6A9 gene. GlyT1 is expressed in brain, pancreas, uterus, stomach, spleen, liver, and retina. GlyT1 may play a role in schizophrenia. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 212067 Cd Length: 585 Bit Score: 502.52 E-value: 3.32e-172
Na(+)- and Cl(-)-dependent serotonin transporter SERT; solute-binding domain; SERT (also ...
50-590
2.63e-170
Na(+)- and Cl(-)-dependent serotonin transporter SERT; solute-binding domain; SERT (also called 5-HTT), is a transmembrane transporter that transports the neurotransmitter serotonin from synaptic spaces into presynaptic neurons. The antiport of a K+ ion is believed to follow the transport of serotonin and promote the reorientation of SERT for another transport cycle. Human SERT is encoded by the SLC6A4 gene. SERT is expressed in brain, peripheral nervous system, placenta, epithelium, and platelets. SERT may play a role in diseases or disorders including anxiety, depression, autism, gastrointestinal disorders, premature ejaculation, and obesity. It may also have a role in social cognition. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 271399 Cd Length: 537 Bit Score: 495.89 E-value: 2.63e-170
Na(+)- and Cl(-)-dependent beta-alanine transporter ATB0+; solute-binding domain; ATB0+ (also known as the beta-alanine carrier) is a transmembrane transporter with a broad substrate specificity; it can transport non-alpha-amino acids such as beta-alanine with low affinity, and can transport dipolar and cationic amino acids such as leucine and lysine, with a higher affinity. It may have a role in the absorption of essential nutrients and drugs in the distal regions of the human gastrointestinal tract. Human ATB0+ is encoded by the SLC6A14 gene. ATB0+ is expressed in the lung, trachea, salivary gland, mammary gland, stomach, and pituitary gland. ATB0+ may play a role in obesity, and its upregulation may have a pathogenic role in colorectal cancer. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 271391 Cd Length: 602 Bit Score: 461.27 E-value: 9.49e-156
Na(+)-dependent neurotransmitter transporter 4, and related proteins; solute-binding domain; ...
50-570
1.85e-123
Na(+)-dependent neurotransmitter transporter 4, and related proteins; solute-binding domain; This subgroup includes the solute-binding domain of NTT4 (also called XT1) and SBAT1 (also called B0AT2, v7-3, NTT7-3); both these proteins can transport neutral amino acids. Human SBAT1 is encoded by the SLC6A15 gene, a susceptibility gene for major depression. SBAT1 is expressed in brain, and may have a role in transporting neurotransmitter precursors into neurons. Human NTT4 is encoded by the SLC6A17 gene. NTT4 is specifically expressed in the nervous system, in synaptic vesicles of glutamatergic and GABAergic neurons, and may play an important role in synaptic transmission. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 271400 [Multi-domain] Cd Length: 530 Bit Score: 375.82 E-value: 1.85e-123
glycine transporter, B0AT3; solute-binding domain; B0AT3 (also called Xtrp2, XT2) transports glycine. Human B0AT3 is encoded by the SLC6A18 gene. B0AT3 is expressed in the kidney. Mutations in the SLC6A18 gene may contribute to the autosomal recessive disorder iminoglycinuria and its related disorder hyperglycinuria. SLC6A18 or its neighboring genes are associated with increased susceptibility to myocardial infarction. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 212086 [Multi-domain] Cd Length: 576 Bit Score: 375.69 E-value: 8.38e-123
Na(+)- and Cl(-)-dependent imino acid transporter SIT1; solute-binding domain; SIT1 (also called XTRP3, XT3, IMINO) transports imino acids, such as proline, pipecolate, MeAIB, and sarcosine. It has weak affinity for neutral amino acids such as phenylalanine. Human SIT1 is encoded by the SLC6A20 gene. SIT1 is expressed in brain, kidney, small intestine, thymus, spleen, ovary, and lung. SLC6A20 is a candidate gene for the rare disorder iminoglycinuria. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 271401 [Multi-domain] Cd Length: 576 Bit Score: 367.75 E-value: 9.95e-120
Na(+)-dependent neutral amino acids transporter, B0AT1; solute-binding domain; B0AT1 (also called HND) transports neutral amino acids. Human B0AT1 is encoded by the SLC6A19 gene. B0AT1 is expressed primarily in the kidney and intestine; it requires collectrin for expression in the kidney, and angiotensin-converting enzyme 2 for expression in the intestine. Interaction with these two proteins implicates B0AT1 in more complex processes such as glomerular structure, exocytosis, and blood pressure control. The autosomal recessive disorder, Hartnup disorder, is caused by mutations in B0AT1. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 212085 [Multi-domain] Cd Length: 581 Bit Score: 359.97 E-value: 1.07e-116
Na(+)-dependent neurotransmitter transporter 4; solute-binding domain; NTT4 (also called XT1) transports the neutral amino acids, proline, glycine, leucine, and alanine, and may play an important role in synaptic transmission. Human NTT4 is encoded by the SLC6A17 gene. NTT4 is specifically expressed in the nervous system, in synaptic vesicles of glutamatergic and GABAergic neurons. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 271403 [Multi-domain] Cd Length: 589 Bit Score: 346.97 E-value: 1.48e-111
Sodium-coupled branched-chain amino-acid transporter 1; solute-binding domain; SBAT1 (also called B0AT2, v7-3, NTT7-3) is a high-affinity Na(+)-dependent transporter for large neutral amino acids, including leucine, isoleucine, valine, proline and methionine. Human SBAT1 is encoded by the SLC6A15 gene, a susceptibility gene for major depression. SBAT1 is expressed in brain, and may have a role in transporting neurotransmitter precursors into neurons. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 212091 [Multi-domain] Cd Length: 580 Bit Score: 336.89 E-value: 8.01e-108
uncharacterized bacterial and archaeal solute carrier 6 subfamily; solute-binding domain; SLC6 proteins (also called the sodium- and chloride-dependent neurotransmitter transporter family or Na+/Cl--dependent transporter family) include neurotransmitter transporters (NTTs): these are sodium- and chloride-dependent plasma membrane transporters for the monoamine neurotransmitters serotonin (5-hydroxytryptamine), dopamine, and norepinephrine, and the amino acid neurotransmitters GABA and glycine. These NTTs are widely expressed in the mammalian brain, involved in regulating neurotransmitter signaling and homeostasis, and the target of a range of therapeutic drugs for the treatment of psychiatric diseases. Bacterial members of the SLC6 family include the LeuT amino acid transporter.
Pssm-ID: 271366 [Multi-domain] Cd Length: 480 Bit Score: 331.38 E-value: 4.89e-107
uncharacterized eukaryotic solute carrier 6 subfamily; solute-binding domain; SLC6 proteins (also called the sodium- and chloride-dependent neurotransmitter transporter family or Na+/Cl--dependent transporter family) include neurotransmitter transporters (NTTs): these are sodium- and chloride-dependent plasma membrane transporters for the monoamine neurotransmitters serotonin (5-hydroxytryptamine), dopamine, and norepinephrine, and the amino acid neurotransmitters GABA and glycine. These NTTs are widely expressed in the mammalian brain, and are involved in regulating neurotransmitter signaling and homeostasis, and are the target of a range of therapeutic drugs for the treatment of psychiatric diseases. Bacterial members of the SLC6 family include the LeuT amino acid transporter.
Pssm-ID: 212092 [Multi-domain] Cd Length: 406 Bit Score: 283.83 E-value: 1.45e-89
Neurotransmitter transporter 5; solute-binding domain; Human NTT5 is encoded by the SLC6A16 ...
53-565
2.88e-88
Neurotransmitter transporter 5; solute-binding domain; Human NTT5 is encoded by the SLC6A16 gene. NTT5 is expressed in testis, pancreas, and prostate; its expression is predominantly intracellular, indicative of a vesicular location. Its substrates are unknown. This subgroup belongs to the solute carrier 6 (SLC6) transporter family.
Pssm-ID: 271392 Cd Length: 535 Bit Score: 284.32 E-value: 2.88e-88
solute carrier 6 subfamily, Fusobacterium nucleatum Tyt1-like; solute-binding domain; SLC6 proteins (also called the sodium- and chloride-dependent neurotransmitter transporter family or Na+/Cl--dependent transporter family) include neurotransmitter transporters (NTTs): these are sodium- and chloride-dependent plasma membrane transporters for the monoamine neurotransmitters serotonin (5-hydroxytryptamine), dopamine, and norepinephrine, and the amino acid neurotransmitters GABA and glycine. These NTTs are widely expressed in the mammalian brain, involved in regulating neurotransmitter signaling and homeostasis, and the target of a range of therapeutic drugs for the treatment of psychiatric diseases. Bacterial members of the SLC6 family include the LeuT amino acid transporter. An arrangement of 12 transmembrane (TM) helices appears to be as a common topological motif for eukaryotic and some prokaryotic and archaeal NTTs. However, this subfamily which contains the majority of bacterial members and some archaeal members, appears to contain only 11 TMs; for example the functional Fusobacterium nucleatum tyrosine transporter Tyt1.
Pssm-ID: 271367 [Multi-domain] Cd Length: 440 Bit Score: 197.28 E-value: 1.58e-56
Solute carrier families 5 and 6-like; solute binding domain; This superfamily includes the ...
58-518
4.79e-42
Solute carrier families 5 and 6-like; solute binding domain; This superfamily includes the solute-binding domain of SLC5 proteins (also called the sodium/glucose cotransporters or solute sodium symporters), SLC6 proteins (also called the sodium- and chloride-dependent neurotransmitter transporters or Na+/Cl--dependent transporters), and nucleobase-cation-symport-1 (NCS1) transporters. SLC5s co-transport Na+ with sugars, amino acids, inorganic ions or vitamins. SLC6s include Na+/Cl--dependent plasma membrane transporters for the monoamine neurotransmitters serotonin, dopamine, and norepinephrine, and the amino acid neurotransmitters GABA and glycine. NCS1s are essential components of salvage pathways for nucleobases and related metabolites; their known substrates include allantoin, uracil, thiamine, and nicotinamide riboside. Members of this superfamily are important in human physiology and disease. They contain a functional core of 10 transmembrane helices (TMs): an inverted structural repeat, TMs1-5 and TMs6-10; TMs numbered to conform to the SLC6 Aquifex aeolicus LeuT.
Pssm-ID: 271356 [Multi-domain] Cd Length: 407 Bit Score: 156.75 E-value: 4.79e-42
Aquifex aeolicus LeuT and related proteins; solute binding domain; LeuT is a bacterial amino ...
50-585
1.23e-39
Aquifex aeolicus LeuT and related proteins; solute binding domain; LeuT is a bacterial amino acid transporter with specificity for the hydrophobic amino acids glycine, alanine, methionine, and leucine. This subgroup belongs to the solute carrier 6 (SLC6) transporter family; LeuT has been used as a structural template for understanding fundamental aspects of SLC6 function. It has an arrangement of 12 transmembrane helices (TMs), which appears to be a common motif for eukaryotic and some prokaryotic and archaeal SLC6s: an inverted topology repeat: TMs1-5 and TMs6-10, and TMs11-12.
Pssm-ID: 271365 [Multi-domain] Cd Length: 496 Bit Score: 152.08 E-value: 1.23e-39
Database: CDSEARCH/cdd Low complexity filter: no Composition Based Adjustment: yes E-value threshold: 0.01
References:
Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
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