MULTISPECIES: bifunctional phosphopantothenoylcysteine decarboxylase/phosphopantothenate--cysteine ligase CoaBC [Staphylococcus]
bifunctional phosphopantothenoylcysteine decarboxylase/phosphopantothenate synthase( domain architecture ID 11418829)
bifunctional phosphopantothenoylcysteine decarboxylase (CoaC)/phosphopantothenate synthase (CoaB) catalyzes two steps in the biosynthesis of coenzyme A, the conjugation of cysteine to 4'-phosphopantothenate to form 4-phosphopantothenoylcysteine, followed by its decarboxylation to form 4'-phosphopantotheine
List of domain hits
Name | Accession | Description | Interval | E-value | |||||||
CoaBC | COG0452 | Phosphopantothenoylcysteine synthetase/decarboxylase CoaBC [Coenzyme transport and metabolism]; ... |
2-402 | 0e+00 | |||||||
Phosphopantothenoylcysteine synthetase/decarboxylase CoaBC [Coenzyme transport and metabolism]; Phosphopantothenoylcysteine synthetase/decarboxylase CoaBC is part of the Pathway/BioSystem: Pantothenate/CoA biosynthesis : Pssm-ID: 440221 [Multi-domain] Cd Length: 399 Bit Score: 636.68 E-value: 0e+00
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Name | Accession | Description | Interval | E-value | |||||||
CoaBC | COG0452 | Phosphopantothenoylcysteine synthetase/decarboxylase CoaBC [Coenzyme transport and metabolism]; ... |
2-402 | 0e+00 | |||||||
Phosphopantothenoylcysteine synthetase/decarboxylase CoaBC [Coenzyme transport and metabolism]; Phosphopantothenoylcysteine synthetase/decarboxylase CoaBC is part of the Pathway/BioSystem: Pantothenate/CoA biosynthesis Pssm-ID: 440221 [Multi-domain] Cd Length: 399 Bit Score: 636.68 E-value: 0e+00
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PRK05579 | PRK05579 | bifunctional phosphopantothenoylcysteine decarboxylase/phosphopantothenate synthase; Validated |
1-402 | 0e+00 | |||||||
bifunctional phosphopantothenoylcysteine decarboxylase/phosphopantothenate synthase; Validated Pssm-ID: 235513 [Multi-domain] Cd Length: 399 Bit Score: 556.67 E-value: 0e+00
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coaBC_dfp | TIGR00521 | phosphopantothenoylcysteine decarboxylase / phosphopantothenate--cysteine ligase; This model ... |
2-397 | 3.44e-165 | |||||||
phosphopantothenoylcysteine decarboxylase / phosphopantothenate--cysteine ligase; This model represents a bifunctional enzyme that catalyzes the second and third steps (cysteine ligation, EC 6.3.2.5, and decarboxylation, EC 4.1.1.36) in the biosynthesis of coenzyme A (CoA) from pantothenate in bacteria. In early descriptions of this flavoprotein, a ts mutation in one region of the protein appeared to cause a defect in DNA metaobolism rather than an increased need for the pantothenate precursor beta-alanine. This protein was then called dfp, for DNA/pantothenate metabolism flavoprotein. The authors responsible for detecting phosphopantothenate--cysteine ligase activity suggest renaming this bifunctional protein coaBC for its role in CoA biosynthesis. This enzyme contains the FMN cofactor, but no FAD or pyruvoyl group. The amino-terminal region contains the phosphopantothenoylcysteine decarboxylase activity. [Biosynthesis of cofactors, prosthetic groups, and carriers, Pantothenate and coenzyme A] Pssm-ID: 273116 [Multi-domain] Cd Length: 391 Bit Score: 468.39 E-value: 3.44e-165
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DFP | pfam04127 | DNA / pantothenate metabolism flavoprotein; The DNA/pantothenate metabolism flavoprotein (EC:4. ... |
190-370 | 7.02e-104 | |||||||
DNA / pantothenate metabolism flavoprotein; The DNA/pantothenate metabolism flavoprotein (EC:4.1.1.36) affects synthesis of DNA, and pantothenate metabolism. Pssm-ID: 461186 [Multi-domain] Cd Length: 183 Bit Score: 304.72 E-value: 7.02e-104
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SDR_c | cd05233 | classical (c) SDRs; SDRs are a functionally diverse family of oxidoreductases that have a ... |
195-319 | 6.18e-05 | |||||||
classical (c) SDRs; SDRs are a functionally diverse family of oxidoreductases that have a single domain with a structurally conserved Rossmann fold (alpha/beta folding pattern with a central beta-sheet), an NAD(P)(H)-binding region, and a structurally diverse C-terminal region. Classical SDRs are typically about 250 residues long, while extended SDRs are approximately 350 residues. Sequence identity between different SDR enzymes are typically in the 15-30% range, but the enzymes share the Rossmann fold NAD-binding motif and characteristic NAD-binding and catalytic sequence patterns. These enzymes catalyze a wide range of activities including the metabolism of steroids, cofactors, carbohydrates, lipids, aromatic compounds, and amino acids, and act in redox sensing. Classical SDRs have an TGXXX[AG]XG cofactor binding motif and a YXXXK active site motif, with the Tyr residue of the active site motif serving as a critical catalytic residue (Tyr-151, human prostaglandin dehydrogenase (PGDH) numbering). In addition to the Tyr and Lys, there is often an upstream Ser (Ser-138, PGDH numbering) and/or an Asn (Asn-107, PGDH numbering) contributing to the active site; while substrate binding is in the C-terminal region, which determines specificity. The standard reaction mechanism is a 4-pro-S hydride transfer and proton relay involving the conserved Tyr and Lys, a water molecule stabilized by Asn, and nicotinamide. Extended SDRs have additional elements in the C-terminal region, and typically have a TGXXGXXG cofactor binding motif. Complex (multidomain) SDRs such as ketoreductase domains of fatty acid synthase have a GGXGXXG NAD(P)-binding motif and an altered active site motif (YXXXN). Fungal type ketoacyl reductases have a TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs have lost catalytic activity and/or have an unusual NAD(P)-binding motif and missing or unusual active site residues. Reactions catalyzed within the SDR family include isomerization, decarboxylation, epimerization, C=N bond reduction, dehydratase activity, dehalogenation, Enoyl-CoA reduction, and carbonyl-alcohol oxidoreduction. Pssm-ID: 212491 [Multi-domain] Cd Length: 234 Bit Score: 44.20 E-value: 6.18e-05
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Name | Accession | Description | Interval | E-value | |||||||
CoaBC | COG0452 | Phosphopantothenoylcysteine synthetase/decarboxylase CoaBC [Coenzyme transport and metabolism]; ... |
2-402 | 0e+00 | |||||||
Phosphopantothenoylcysteine synthetase/decarboxylase CoaBC [Coenzyme transport and metabolism]; Phosphopantothenoylcysteine synthetase/decarboxylase CoaBC is part of the Pathway/BioSystem: Pantothenate/CoA biosynthesis Pssm-ID: 440221 [Multi-domain] Cd Length: 399 Bit Score: 636.68 E-value: 0e+00
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PRK05579 | PRK05579 | bifunctional phosphopantothenoylcysteine decarboxylase/phosphopantothenate synthase; Validated |
1-402 | 0e+00 | |||||||
bifunctional phosphopantothenoylcysteine decarboxylase/phosphopantothenate synthase; Validated Pssm-ID: 235513 [Multi-domain] Cd Length: 399 Bit Score: 556.67 E-value: 0e+00
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coaBC_dfp | TIGR00521 | phosphopantothenoylcysteine decarboxylase / phosphopantothenate--cysteine ligase; This model ... |
2-397 | 3.44e-165 | |||||||
phosphopantothenoylcysteine decarboxylase / phosphopantothenate--cysteine ligase; This model represents a bifunctional enzyme that catalyzes the second and third steps (cysteine ligation, EC 6.3.2.5, and decarboxylation, EC 4.1.1.36) in the biosynthesis of coenzyme A (CoA) from pantothenate in bacteria. In early descriptions of this flavoprotein, a ts mutation in one region of the protein appeared to cause a defect in DNA metaobolism rather than an increased need for the pantothenate precursor beta-alanine. This protein was then called dfp, for DNA/pantothenate metabolism flavoprotein. The authors responsible for detecting phosphopantothenate--cysteine ligase activity suggest renaming this bifunctional protein coaBC for its role in CoA biosynthesis. This enzyme contains the FMN cofactor, but no FAD or pyruvoyl group. The amino-terminal region contains the phosphopantothenoylcysteine decarboxylase activity. [Biosynthesis of cofactors, prosthetic groups, and carriers, Pantothenate and coenzyme A] Pssm-ID: 273116 [Multi-domain] Cd Length: 391 Bit Score: 468.39 E-value: 3.44e-165
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PRK13982 | PRK13982 | bifunctional SbtC-like/phosphopantothenoylcysteine decarboxylase/phosphopantothenate synthase; ... |
2-381 | 1.22e-112 | |||||||
bifunctional SbtC-like/phosphopantothenoylcysteine decarboxylase/phosphopantothenate synthase; Provisional Pssm-ID: 172484 [Multi-domain] Cd Length: 475 Bit Score: 337.88 E-value: 1.22e-112
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DFP | pfam04127 | DNA / pantothenate metabolism flavoprotein; The DNA/pantothenate metabolism flavoprotein (EC:4. ... |
190-370 | 7.02e-104 | |||||||
DNA / pantothenate metabolism flavoprotein; The DNA/pantothenate metabolism flavoprotein (EC:4.1.1.36) affects synthesis of DNA, and pantothenate metabolism. Pssm-ID: 461186 [Multi-domain] Cd Length: 183 Bit Score: 304.72 E-value: 7.02e-104
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PRK07313 | PRK07313 | phosphopantothenoylcysteine decarboxylase; Validated |
1-180 | 7.90e-81 | |||||||
phosphopantothenoylcysteine decarboxylase; Validated Pssm-ID: 235986 [Multi-domain] Cd Length: 182 Bit Score: 246.01 E-value: 7.90e-81
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coaC_strep | TIGR02113 | phosphopantothenoylcysteine decarboxylase, streptococcal; In most bacteria, a single ... |
2-172 | 9.53e-61 | |||||||
phosphopantothenoylcysteine decarboxylase, streptococcal; In most bacteria, a single bifunctional protein catalyses phosphopantothenoylcysteine decarboxylase and phosphopantothenate--cysteine ligase activities, sequential steps in coenzyme A biosynthesis (see TIGR00521). These activities reside in separate proteins encoded by tandem genes in some bacterial lineages. This model describes proteins from the genera Streptococcus and Enterococcus homologous to the N-terminal region of TIGR00521, corresponding to phosphopantothenoylcysteine decarboxylase activity. [Biosynthesis of cofactors, prosthetic groups, and carriers, Pantothenate and coenzyme A] Pssm-ID: 131168 Cd Length: 177 Bit Score: 194.26 E-value: 9.53e-61
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Flavoprotein | pfam02441 | Flavoprotein; This family contains diverse flavoprotein enzymes. This family includes ... |
2-169 | 5.12e-44 | |||||||
Flavoprotein; This family contains diverse flavoprotein enzymes. This family includes epidermin biosynthesis protein, EpiD, which has been shown to be a flavoprotein that binds FMN. This enzyme catalyzes the removal of two reducing equivalents from the cysteine residue of the C-terminal meso-lanthionine of epidermin to form a --C==C-- double bond. This family also includes the B chain of dipicolinate synthase a small polar molecule that accumulates to high concentrations in bacterial endospores, and is thought to play a role in spore heat resistance, or the maintenance of heat resistance. dipicolinate synthase catalyzes the formation of dipicolinic acid from dihydroxydipicolinic acid. This family also includes phenyl-acrylic acid decarboxylase (EC:4.1.1.-). Pssm-ID: 426775 [Multi-domain] Cd Length: 177 Bit Score: 150.99 E-value: 5.12e-44
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PRK06732 | PRK06732 | phosphopantothenate--cysteine ligase; Validated |
196-371 | 1.07e-20 | |||||||
phosphopantothenate--cysteine ligase; Validated Pssm-ID: 235856 [Multi-domain] Cd Length: 229 Bit Score: 90.05 E-value: 1.07e-20
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PLN02496 | PLN02496 | probable phosphopantothenoylcysteine decarboxylase |
4-168 | 7.04e-19 | |||||||
probable phosphopantothenoylcysteine decarboxylase Pssm-ID: 215274 Cd Length: 209 Bit Score: 84.25 E-value: 7.04e-19
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PRK09620 | PRK09620 | hypothetical protein; Provisional |
191-354 | 1.16e-10 | |||||||
hypothetical protein; Provisional Pssm-ID: 181997 Cd Length: 229 Bit Score: 61.06 E-value: 1.16e-10
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fabG | PRK05557 | 3-ketoacyl-(acyl-carrier-protein) reductase; Validated |
188-317 | 2.30e-07 | |||||||
3-ketoacyl-(acyl-carrier-protein) reductase; Validated Pssm-ID: 235500 [Multi-domain] Cd Length: 248 Bit Score: 51.35 E-value: 2.30e-07
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YqjQ | COG0300 | Short-chain dehydrogenase [General function prediction only]; |
189-288 | 8.55e-07 | |||||||
Short-chain dehydrogenase [General function prediction only]; Pssm-ID: 440069 [Multi-domain] Cd Length: 252 Bit Score: 49.87 E-value: 8.55e-07
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AfpA | COG1036 | Archaeal flavoprotein [Energy production and conversion]; |
79-104 | 1.21e-06 | |||||||
Archaeal flavoprotein [Energy production and conversion]; Pssm-ID: 440659 [Multi-domain] Cd Length: 174 Bit Score: 48.28 E-value: 1.21e-06
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FabG | COG1028 | NAD(P)-dependent dehydrogenase, short-chain alcohol dehydrogenase family [Lipid transport and ... |
188-288 | 1.41e-06 | |||||||
NAD(P)-dependent dehydrogenase, short-chain alcohol dehydrogenase family [Lipid transport and metabolism]; NAD(P)-dependent dehydrogenase, short-chain alcohol dehydrogenase family is part of the Pathway/BioSystem: Fatty acid biosynthesis Pssm-ID: 440651 [Multi-domain] Cd Length: 249 Bit Score: 49.01 E-value: 1.41e-06
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adh_short_C2 | pfam13561 | Enoyl-(Acyl carrier protein) reductase; This domain is found in Enoyl-(Acyl carrier protein) ... |
212-291 | 4.64e-06 | |||||||
Enoyl-(Acyl carrier protein) reductase; This domain is found in Enoyl-(Acyl carrier protein) reductases. Pssm-ID: 433310 [Multi-domain] Cd Length: 236 Bit Score: 47.43 E-value: 4.64e-06
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PRK07326 | PRK07326 | SDR family oxidoreductase; |
188-309 | 5.39e-06 | |||||||
SDR family oxidoreductase; Pssm-ID: 235990 [Multi-domain] Cd Length: 237 Bit Score: 47.31 E-value: 5.39e-06
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PRK12826 | PRK12826 | SDR family oxidoreductase; |
189-315 | 5.53e-05 | |||||||
SDR family oxidoreductase; Pssm-ID: 183775 [Multi-domain] Cd Length: 251 Bit Score: 44.14 E-value: 5.53e-05
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SDR_c | cd05233 | classical (c) SDRs; SDRs are a functionally diverse family of oxidoreductases that have a ... |
195-319 | 6.18e-05 | |||||||
classical (c) SDRs; SDRs are a functionally diverse family of oxidoreductases that have a single domain with a structurally conserved Rossmann fold (alpha/beta folding pattern with a central beta-sheet), an NAD(P)(H)-binding region, and a structurally diverse C-terminal region. Classical SDRs are typically about 250 residues long, while extended SDRs are approximately 350 residues. Sequence identity between different SDR enzymes are typically in the 15-30% range, but the enzymes share the Rossmann fold NAD-binding motif and characteristic NAD-binding and catalytic sequence patterns. These enzymes catalyze a wide range of activities including the metabolism of steroids, cofactors, carbohydrates, lipids, aromatic compounds, and amino acids, and act in redox sensing. Classical SDRs have an TGXXX[AG]XG cofactor binding motif and a YXXXK active site motif, with the Tyr residue of the active site motif serving as a critical catalytic residue (Tyr-151, human prostaglandin dehydrogenase (PGDH) numbering). In addition to the Tyr and Lys, there is often an upstream Ser (Ser-138, PGDH numbering) and/or an Asn (Asn-107, PGDH numbering) contributing to the active site; while substrate binding is in the C-terminal region, which determines specificity. The standard reaction mechanism is a 4-pro-S hydride transfer and proton relay involving the conserved Tyr and Lys, a water molecule stabilized by Asn, and nicotinamide. Extended SDRs have additional elements in the C-terminal region, and typically have a TGXXGXXG cofactor binding motif. Complex (multidomain) SDRs such as ketoreductase domains of fatty acid synthase have a GGXGXXG NAD(P)-binding motif and an altered active site motif (YXXXN). Fungal type ketoacyl reductases have a TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs have lost catalytic activity and/or have an unusual NAD(P)-binding motif and missing or unusual active site residues. Reactions catalyzed within the SDR family include isomerization, decarboxylation, epimerization, C=N bond reduction, dehydratase activity, dehalogenation, Enoyl-CoA reduction, and carbonyl-alcohol oxidoreduction. Pssm-ID: 212491 [Multi-domain] Cd Length: 234 Bit Score: 44.20 E-value: 6.18e-05
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KDSR-like_SDR_c | cd08939 | 3-ketodihydrosphingosine reductase (KDSR) and related proteins, classical (c) SDR; These ... |
192-332 | 1.00e-04 | |||||||
3-ketodihydrosphingosine reductase (KDSR) and related proteins, classical (c) SDR; These proteins include members identified as KDSR, ribitol type dehydrogenase, and others. The group shows strong conservation of the active site tetrad and glycine rich NAD-binding motif of the classical SDRs. SDRs are a functionally diverse family of oxidoreductases that have a single domain with a structurally conserved Rossmann fold (alpha/beta folding pattern with a central beta-sheet), an NAD(P)(H)-binding region, and a structurally diverse C-terminal region. Classical SDRs are typically about 250 residues long, while extended SDRs are approximately 350 residues. Sequence identity between different SDR enzymes are typically in the 15-30% range, but the enzymes share the Rossmann fold NAD-binding motif and characteristic NAD-binding and catalytic sequence patterns. These enzymes catalyze a wide range of activities including the metabolism of steroids, cofactors, carbohydrates, lipids, aromatic compounds, and amino acids, and act in redox sensing. Classical SDRs have an TGXXX[AG]XG cofactor binding motif and a YXXXK active site motif, with the Tyr residue of the active site motif serving as a critical catalytic residue (Tyr-151, human 15-hydroxyprostaglandin dehydrogenase (15-PGDH) numbering). In addition to the Tyr and Lys, there is often an upstream Ser (Ser-138, 15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH numbering) contributing to the active site; while substrate binding is in the C-terminal region, which determines specificity. The standard reaction mechanism is a 4-pro-S hydride transfer and proton relay involving the conserved Tyr and Lys, a water molecule stabilized by Asn, and nicotinamide. Extended SDRs have additional elements in the C-terminal region, and typically have a TGXXGXXG cofactor binding motif. Complex (multidomain) SDRs such as ketoreductase domains of fatty acid synthase have a GGXGXXG NAD(P)-binding motif and an altered active site motif (YXXXN). Fungal type ketoacyl reductases have a TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs have lost catalytic activity and/or have an unusual NAD(P)-binding motif and missing or unusual active site residues. Reactions catalyzed within the SDR family include isomerization, decarboxylation, epimerization, C=N bond reduction, dehydratase activity, dehalogenation, Enoyl-CoA reduction, and carbonyl-alcohol oxidoreduction. Pssm-ID: 187643 [Multi-domain] Cd Length: 239 Bit Score: 43.40 E-value: 1.00e-04
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PRK09072 | PRK09072 | SDR family oxidoreductase; |
217-284 | 1.06e-04 | |||||||
SDR family oxidoreductase; Pssm-ID: 236372 [Multi-domain] Cd Length: 263 Bit Score: 43.39 E-value: 1.06e-04
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fabG | PRK05653 | 3-oxoacyl-ACP reductase FabG; |
189-319 | 1.12e-04 | |||||||
3-oxoacyl-ACP reductase FabG; Pssm-ID: 235546 [Multi-domain] Cd Length: 246 Bit Score: 43.22 E-value: 1.12e-04
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TER_DECR_SDR_a | cd05369 | Trans-2-enoyl-CoA reductase (TER) and 2,4-dienoyl-CoA reductase (DECR), atypical (a) SDR; TTER ... |
190-321 | 1.69e-04 | |||||||
Trans-2-enoyl-CoA reductase (TER) and 2,4-dienoyl-CoA reductase (DECR), atypical (a) SDR; TTER is a peroxisomal protein with a proposed role in fatty acid elongation. Fatty acid synthesis is known to occur in the both endoplasmic reticulum and mitochondria; peroxisomal TER has been proposed as an additional fatty acid elongation system, it reduces the double bond at C-2 as the last step of elongation. This system resembles the mitochondrial system in that acetyl-CoA is used as a carbon donor. TER may also function in phytol metabolism, reducting phytenoyl-CoA to phytanoyl-CoA in peroxisomes. DECR processes double bonds in fatty acids to increase their utility in fatty acid metabolism; it reduces 2,4-dienoyl-CoA to an enoyl-CoA. DECR is active in mitochondria and peroxisomes. This subgroup has the Gly-rich NAD-binding motif of the classical SDR family, but does not display strong identity to the canonical active site tetrad, and lacks the characteristic Tyr at the usual position. SDRs are a functionally diverse family of oxidoreductases that have a single domain with a structurally conserved Rossmann fold (alpha/beta folding pattern with a central beta-sheet), an NAD(P)(H)-binding region, and a structurally diverse C-terminal region. Classical SDRs are typically about 250 residues long, while extended SDRS are approximately 350 residues. Sequence identity between different SDR enzymes are typically in the 15-30% range, but the enzymes share the Rossmann fold NAD-binding motif and characteristic NAD-binding and catalytic sequence patterns. These enzymes have a 3-glycine N-terminal NAD(P)(H)-binding pattern (typically, TGxxxGxG in classical SDRs and TGxxGxxG in extended SDRs), while substrate binding is in the C-terminal region. A critical catalytic Tyr residue (Tyr-151, human 15-hydroxyprostaglandin dehydrogenase (15-PGDH) numbering), is often found in a conserved YXXXK pattern. In addition to the Tyr and Lys, there is often an upstream Ser (Ser-138, 15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH numbering) or additional Ser, contributing to the active site. Substrates for these enzymes include sugars, steroids, alcohols, and aromatic compounds. The standard reaction mechanism is a proton relay involving the conserved Tyr and Lys, as well as Asn (or Ser). Some SDR family members, including 17 beta-hydroxysteroid dehydrogenase contain an additional helix-turn-helix motif that is not generally found among SDRs. Pssm-ID: 187627 [Multi-domain] Cd Length: 249 Bit Score: 42.96 E-value: 1.69e-04
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PRK05920 | PRK05920 | aromatic acid decarboxylase; Validated |
1-104 | 1.80e-04 | |||||||
aromatic acid decarboxylase; Validated Pssm-ID: 180312 Cd Length: 204 Bit Score: 42.14 E-value: 1.80e-04
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fabG | PRK12825 | 3-ketoacyl-(acyl-carrier-protein) reductase; Provisional |
188-305 | 2.07e-04 | |||||||
3-ketoacyl-(acyl-carrier-protein) reductase; Provisional Pssm-ID: 237218 [Multi-domain] Cd Length: 249 Bit Score: 42.55 E-value: 2.07e-04
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PRK06841 | PRK06841 | short chain dehydrogenase; Provisional |
189-305 | 2.69e-04 | |||||||
short chain dehydrogenase; Provisional Pssm-ID: 180723 [Multi-domain] Cd Length: 255 Bit Score: 42.34 E-value: 2.69e-04
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HetN_like_SDR_c | cd08932 | HetN oxidoreductase-like, classical (c) SDR; This subgroup includes Anabaena sp. strain PCC ... |
193-317 | 4.48e-04 | |||||||
HetN oxidoreductase-like, classical (c) SDR; This subgroup includes Anabaena sp. strain PCC 7120 HetN, a putative oxidoreductase involved in heterocyst differentiation, and related proteins. SDRs are a functionally diverse family of oxidoreductases that have a single domain with a structurally conserved Rossmann fold (alpha/beta folding pattern with a central beta-sheet), an NAD(P)(H)-binding region, and a structurally diverse C-terminal region. Classical SDRs are typically about 250 residues long, while extended SDRs are approximately 350 residues. Sequence identity between different SDR enzymes are typically in the 15-30% range, but the enzymes share the Rossmann fold NAD-binding motif and characteristic NAD-binding and catalytic sequence patterns. These enzymes catalyze a wide range of activities including the metabolism of steroids, cofactors, carbohydrates, lipids, aromatic compounds, and amino acids, and act in redox sensing. Classical SDRs have an TGXXX[AG]XG cofactor binding motif and a YXXXK active site motif, with the Tyr residue of the active site motif serving as a critical catalytic residue (Tyr-151, human 15-hydroxyprostaglandin dehydrogenase (15-PGDH) numbering). In addition to the Tyr and Lys, there is often an upstream Ser (Ser-138, 15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH numbering) contributing to the active site; while substrate binding is in the C-terminal region, which determines specificity. The standard reaction mechanism is a 4-pro-S hydride transfer and proton relay involving the conserved Tyr and Lys, a water molecule stabilized by Asn, and nicotinamide. Extended SDRs have additional elements in the C-terminal region, and typically have a TGXXGXXG cofactor binding motif. Complex (multidomain) SDRs such as ketoreductase domains of fatty acid synthase have a GGXGXXG NAD(P)-binding motif and an altered active site motif (YXXXN). Fungal type ketoacyl reductases have a TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs have lost catalytic activity and/or have an unusual NAD(P)-binding motif and missing or unusual active site residues. Reactions catalyzed within the SDR family include isomerization, decarboxylation, epimerization, C=N bond reduction, dehydratase activity, dehalogenation, Enoyl-CoA reduction, and carbonyl-alcohol oxidoreduction. Pssm-ID: 212493 [Multi-domain] Cd Length: 223 Bit Score: 41.19 E-value: 4.48e-04
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PRK07856 | PRK07856 | SDR family oxidoreductase; |
189-288 | 7.47e-04 | |||||||
SDR family oxidoreductase; Pssm-ID: 236116 [Multi-domain] Cd Length: 252 Bit Score: 40.69 E-value: 7.47e-04
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ChcA_like_SDR_c | cd05359 | 1-cyclohexenylcarbonyl_coenzyme A_reductase (ChcA)_like, classical (c) SDRs; This subgroup ... |
215-288 | 8.01e-04 | |||||||
1-cyclohexenylcarbonyl_coenzyme A_reductase (ChcA)_like, classical (c) SDRs; This subgroup contains classical SDR proteins, including members identified as 1-cyclohexenylcarbonyl coenzyme A reductase. ChcA of Streptomyces collinus is implicated in the final reduction step of shikimic acid to ansatrienin. ChcA shows sequence similarity to the SDR family of NAD-binding proteins, but it lacks the conserved Tyr of the characteristic catalytic site. This subgroup also contains the NADH-dependent enoyl-[acyl-carrier-protein(ACP)] reductase FabL from Bacillus subtilis. This enzyme participates in bacterial fatty acid synthesis, in type II fatty-acid synthases and catalyzes the last step in each elongation cycle. SDRs are a functionally diverse family of oxidoreductases that have a single domain with a structurally conserved Rossmann fold (alpha/beta folding pattern with a central beta-sheet), an NAD(P)(H)-binding region, and a structurally diverse C-terminal region. Classical SDRs are typically about 250 residues long, while extended SDRS are approximately 350 residues. Sequence identity between different SDR enzymes are typically in the 15-30% range, but the enzymes share the Rossmann fold NAD-binding motif and characteristic NAD-binding and catalytic sequence patterns. These enzymes have a 3-glycine N-terminal NAD(P)(H)-binding pattern (typically, TGxxxGxG in classical SDRs and TGxxGxxG in extended SDRs), while substrate binding is in the C-terminal region. A critical catalytic Tyr residue (Tyr-151, human 15-hydroxyprostaglandin dehydrogenase (15-PGDH) numbering), is often found in a conserved YXXXK pattern. In addition to the Tyr and Lys, there is often an upstream Ser (Ser-138, 15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH numbering) or additional Ser, contributing to the active site. Substrates for these enzymes include sugars, steroids, alcohols, and aromatic compounds. The standard reaction mechanism is a proton relay involving the conserved Tyr and Lys, as well as Asn (or Ser). Some SDR family members, including 17 beta-hydroxysteroid dehydrogenase contain an additional helix-turn-helix motif that is not generally found among SDRs. Pssm-ID: 187617 [Multi-domain] Cd Length: 242 Bit Score: 40.80 E-value: 8.01e-04
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spoVFB | PRK08305 | dipicolinate synthase subunit B; Reviewed |
79-109 | 8.99e-04 | |||||||
dipicolinate synthase subunit B; Reviewed Pssm-ID: 181370 [Multi-domain] Cd Length: 196 Bit Score: 40.26 E-value: 8.99e-04
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YdfG | COG4221 | NADP-dependent 3-hydroxy acid dehydrogenase YdfG [Energy production and conversion]; ... |
189-288 | 1.11e-03 | |||||||
NADP-dependent 3-hydroxy acid dehydrogenase YdfG [Energy production and conversion]; NADP-dependent 3-hydroxy acid dehydrogenase YdfG is part of the Pathway/BioSystem: Pyrimidine degradation Pssm-ID: 443365 [Multi-domain] Cd Length: 240 Bit Score: 40.17 E-value: 1.11e-03
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BKR_SDR_c | cd05333 | beta-Keto acyl carrier protein reductase (BKR), involved in Type II FAS, classical (c) SDRs; ... |
216-319 | 1.40e-03 | |||||||
beta-Keto acyl carrier protein reductase (BKR), involved in Type II FAS, classical (c) SDRs; This subgroup includes the Escherichai coli K12 BKR, FabG. BKR catalyzes the NADPH-dependent reduction of ACP in the first reductive step of de novo fatty acid synthesis (FAS). FAS consists of four elongation steps, which are repeated to extend the fatty acid chain through the addition of two-carbo units from malonyl acyl-carrier protein (ACP): condensation, reduction, dehydration, and a final reduction. Type II FAS, typical of plants and many bacteria, maintains these activities on discrete polypeptides, while type I FAS utilizes one or two multifunctional polypeptides. BKR resembles enoyl reductase, which catalyzes the second reduction step in FAS. SDRs are a functionally diverse family of oxidoreductases that have a single domain with structurally conserved Rossmann fold (alpha/beta folding pattern with a central beta-sheet) NAD(P)(H) binding region and a structurally diverse C-terminal region. Classical SDRs are typically about 250 residues long, while extended SDRS are approximately 350 residues. Sequence identity between different SDR enzymes are typically in the 15-30% range, but the enzymes share the Rossmann fold NAD binding motif and characteristic NAD-binding and catalytic sequence patterns. These enzymes have a 3-glycine N-terminal NAD(P)(H) binding pattern: TGxxxGxG in classical SDRs. Extended SDRs have additional elements in the C-terminal region, and typically have a TGXXGXXG cofactor binding motif. Complex (multidomain) SDRs such as ketoreductase domains of fatty acid synthase have a GGXGXXG NAD(P) binding motif and an altered active site motif (YXXXN). Fungal type type ketoacyl reductases have a TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs have lost catalytic activity and/or have an unusual NAD(P) binding motif and missing or unusual active site residues. Reactions catalyzed within the SDR family include isomerization, decarboxylation, epimerization, C=N bond reduction, dehydratase activity, dehalogenation, Enoyl-CoA reduction, and carbonyl-alcohol oxidoreduction. A critical catalytic Tyr residue (Tyr-151, human 15-hydroxyprostaglandin dehydrogenase (15-PGDH) numbering), is often found in a conserved YXXXK pattern. In addition to the Tyr and Lys, there is often an upstream Ser (Ser-138, 15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH numbering) or additional Ser, contributing to the active site. Substrates for these enzymes include sugars, steroids, alcohols, and aromatic compounds. The standard reaction mechanism is a proton relay involving the conserved Tyr-151 and Lys-155, and well as Asn-111 (or Ser). Some SDR family members, including 17 beta-hydroxysteroid dehydrogenase contain an additional helix-turn-helix motif that is not generally found among SDRs. Pssm-ID: 187594 [Multi-domain] Cd Length: 240 Bit Score: 39.84 E-value: 1.40e-03
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SDR_a1 | cd05265 | atypical (a) SDRs, subgroup 1; Atypical SDRs in this subgroup are poorly defined and have been ... |
217-291 | 2.62e-03 | |||||||
atypical (a) SDRs, subgroup 1; Atypical SDRs in this subgroup are poorly defined and have been identified putatively as isoflavones reductase, sugar dehydratase, mRNA binding protein etc. Atypical SDRs are distinct from classical SDRs. Members of this subgroup retain the canonical active site triad (though not the upstream Asn found in most SDRs) but have an unusual putative glycine-rich NAD(P)-binding motif, GGXXXXG, in the usual location. Atypical SDRs generally lack the catalytic residues characteristic of the SDRs, and their glycine-rich NAD(P)-binding motif is often different from the forms normally seen in classical or extended SDRs. Atypical SDRs include biliverdin IX beta reductase (BVR-B,aka flavin reductase), NMRa (a negative transcriptional regulator of various fungi), progesterone 5-beta-reductase like proteins, phenylcoumaran benzylic ether and pinoresinol-lariciresinol reductases, phenylpropene synthases, eugenol synthase, triphenylmethane reductase, isoflavone reductases, and others. SDRs are a functionally diverse family of oxidoreductases that have a single domain with a structurally conserved Rossmann fold, an NAD(P)(H)-binding region, and a structurally diverse C-terminal region. Sequence identity between different SDR enzymes is typically in the 15-30% range; they catalyze a wide range of activities including the metabolism of steroids, cofactors, carbohydrates, lipids, aromatic compounds, and amino acids, and act in redox sensing. Classical SDRs have an TGXXX[AG]XG cofactor binding motif and a YXXXK active site motif, with the Tyr residue of the active site motif serving as a critical catalytic residue (Tyr-151, human 15-hydroxyprostaglandin dehydrogenase numbering). In addition to the Tyr and Lys, there is often an upstream Ser and/or an Asn, contributing to the active site; while substrate binding is in the C-terminal region, which determines specificity. The standard reaction mechanism is a 4-pro-S hydride transfer and proton relay involving the conserved Tyr and Lys, a water molecule stabilized by Asn, and nicotinamide. In addition to the Rossmann fold core region typical of all SDRs, extended SDRs have a less conserved C-terminal extension of approximately 100 amino acids, and typically have a TGXXGXXG cofactor binding motif. Complex (multidomain) SDRs such as ketoreductase domains of fatty acid synthase have a GGXGXXG NAD(P)-binding motif and an altered active site motif (YXXXN). Fungal type ketoacyl reductases have a TGXXXGX(1-2)G NAD(P)-binding motif. Pssm-ID: 187575 [Multi-domain] Cd Length: 250 Bit Score: 39.20 E-value: 2.62e-03
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fabG | PRK05565 | 3-ketoacyl-(acyl-carrier-protein) reductase; Provisional |
190-287 | 2.88e-03 | |||||||
3-ketoacyl-(acyl-carrier-protein) reductase; Provisional Pssm-ID: 235506 [Multi-domain] Cd Length: 247 Bit Score: 39.05 E-value: 2.88e-03
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BKR_like_SDR_like | cd05344 | putative beta-ketoacyl acyl carrier protein [ACP] reductase (BKR)-like, SDR; This subgroup ... |
192-239 | 4.83e-03 | |||||||
putative beta-ketoacyl acyl carrier protein [ACP] reductase (BKR)-like, SDR; This subgroup resembles the SDR family, but does not have a perfect match to the NAD-binding motif or the catalytic tetrad characteristic of the SDRs. It includes the SDRs, Q9HYA2 from Pseudomonas aeruginosa PAO1 and APE0912 from Aeropyrum pernix K1. BKR catalyzes the NADPH-dependent reduction of ACP in the first reductive step of de novo fatty acid synthesis (FAS). FAS consists of four elongation steps, which are repeated to extend the fatty acid chain through the addition of two-carbo units from malonyl acyl-carrier protein (ACP): condensation, reduction, dehydration, and a final reduction. Type II FAS, typical of plants and many bacteria, maintains these activities on discrete polypeptides, while type I FAS utilizes one or two multifunctional polypeptides. BKR resembles enoyl reductase, which catalyzes the second reduction step in FAS. SDRs are a functionally diverse family of oxidoreductases that have a single domain with a structurally conserved Rossmann fold (alpha/beta folding pattern with a central beta-sheet), an NAD(P)(H)-binding region, and a structurally diverse C-terminal region. Classical SDRs are typically about 250 residues long, while extended SDRS are approximately 350 residues. Sequence identity between different SDR enzymes are typically in the 15-30% range, but the enzymes share the Rossmann fold NAD-binding motif and characteristic NAD-binding and catalytic sequence patterns. These enzymes have a 3-glycine N-terminal NAD(P)(H)-binding pattern (typically, TGxxxGxG in classical SDRs and TGxxGxxG in extended SDRs), while substrate binding is in the C-terminal region. A critical catalytic Tyr residue (Tyr-151, human 15-hydroxyprostaglandin dehydrogenase (15-PGDH) numbering), is often found in a conserved YXXXK pattern. In addition to the Tyr and Lys, there is often an upstream Ser (Ser-138, 15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH numbering) or additional Ser, contributing to the active site. Substrates for these enzymes include sugars, steroids, alcohols, and aromatic compounds. The standard reaction mechanism is a proton relay involving the conserved Tyr and Lys, as well as Asn (or Ser). Some SDR family members, including 17 beta-hydroxysteroid dehydrogenase contain an additional helix-turn-helix motif that is not generally found among SDRs. Pssm-ID: 187602 [Multi-domain] Cd Length: 253 Bit Score: 38.41 E-value: 4.83e-03
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retinol-DH_like_SDR_c_like | cd05327 | retinol dehydrogenase (retinol-DH), Light dependent Protochlorophyllide (Pchlide) ... |
192-281 | 4.99e-03 | |||||||
retinol dehydrogenase (retinol-DH), Light dependent Protochlorophyllide (Pchlide) OxidoReductase (LPOR) and related proteins, classical (c) SDRs; Classical SDR subgroup containing retinol-DHs, LPORs, and related proteins. Retinol is processed by a medium chain alcohol dehydrogenase followed by retinol-DHs. Pchlide reductases act in chlorophyll biosynthesis. There are distinct enzymes that catalyze Pchlide reduction in light or dark conditions. Light-dependent reduction is via an NADP-dependent SDR, LPOR. Proteins in this subfamily share the glycine-rich NAD-binding motif of the classical SDRs, have a partial match to the canonical active site tetrad, but lack the typical active site Ser. This subgroup includes the human proteins: retinol dehydrogenase -12, -13 ,and -14, dehydrogenase/reductase SDR family member (DHRS)-12 , -13 and -X (a DHRS on chromosome X), and WWOX (WW domain-containing oxidoreductase), as well as a Neurospora crassa SDR encoded by the blue light inducible bli-4 gene. SDRs are a functionally diverse family of oxidoreductases that have a single domain with a structurally conserved Rossmann fold (alpha/beta folding pattern with a central beta-sheet), an NAD(P)(H)-binding region, and a structurally diverse C-terminal region. Classical SDRs are typically about 250 residues long, while extended SDRs are approximately 350 residues. Sequence identity between different SDR enzymes are typically in the 15-30% range, but the enzymes share the Rossmann fold NAD-binding motif and characteristic NAD-binding and catalytic sequence patterns. These enzymes catalyze a wide range of activities including the metabolism of steroids, cofactors, carbohydrates, lipids, aromatic compounds, and amino acids, and act in redox sensing. Classical SDRs have an TGXXX[AG]XG cofactor binding motif and a YXXXK active site motif, with the Tyr residue of the active site motif serving as a critical catalytic residue (Tyr-151, human 15-hydroxyprostaglandin dehydrogenase (15-PGDH) numbering). In addition to the Tyr and Lys, there is often an upstream Ser (Ser-138, 15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH numbering) contributing to the active site; while substrate binding is in the C-terminal region, which determines specificity. The standard reaction mechanism is a 4-pro-S hydride transfer and proton relay involving the conserved Tyr and Lys, a water molecule stabilized by Asn, and nicotinamide. Extended SDRs have additional elements in the C-terminal region, and typically have a TGXXGXXG cofactor binding motif. Complex (multidomain) SDRs such as ketoreductase domains of fatty acid synthase have a GGXGXXG NAD(P)-binding motif and an altered active site motif (YXXXN). Fungal type ketoacyl reductases have a TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs have lost catalytic activity and/or have an unusual NAD(P)-binding motif and missing or unusual active site residues. Reactions catalyzed within the SDR family include isomerization, decarboxylation, epimerization, C=N bond reduction, dehydratase activity, dehalogenation, Enoyl-CoA reduction, and carbonyl-alcohol oxidoreduction. Pssm-ID: 212492 [Multi-domain] Cd Length: 269 Bit Score: 38.36 E-value: 4.99e-03
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PRK06523 | PRK06523 | short chain dehydrogenase; Provisional |
188-276 | 6.91e-03 | |||||||
short chain dehydrogenase; Provisional Pssm-ID: 180604 [Multi-domain] Cd Length: 260 Bit Score: 37.96 E-value: 6.91e-03
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adh_short | pfam00106 | short chain dehydrogenase; This family contains a wide variety of dehydrogenases. |
193-290 | 9.85e-03 | |||||||
short chain dehydrogenase; This family contains a wide variety of dehydrogenases. Pssm-ID: 395056 [Multi-domain] Cd Length: 195 Bit Score: 36.82 E-value: 9.85e-03
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Blast search parameters | ||||
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