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Conserved domains on  [gi|10177688|dbj|BAB11014|]
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unnamed protein product [Arabidopsis thaliana]

Protein Classification

saccharopine dehydrogenase family protein( domain architecture ID 11461686)

saccharopine dehydrogenase family protein contains a Rossmann fold NADP-binding domain, such as vertebrate saccharopine dehydrogenase-like oxidoreductase and mycobacterial trans-acting enoyl reductase

CATH:  3.40.50.720
EC:  1.-.-.-
Gene Ontology:  GO:0000166|GO:0016491

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
COG3268 COG3268
Uncharacterized conserved protein, related to short-chain dehydrogenases [Function unknown];
11-445 9.68e-68

Uncharacterized conserved protein, related to short-chain dehydrogenases [Function unknown];


:

Pssm-ID: 442499 [Multi-domain]  Cd Length: 368  Bit Score: 220.49  E-value: 9.68e-68
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688  11 YDMVILGASGFTGKYVVREALKFLQTPsssplkslALAGRNPTRLTQSlewAARPnpPPSSVAILTADTSDPDSLRRLCT 90
Cdd:COG3268   6 FDIVVYGATGYTGRLVAEYLARRGLRP--------ALAGRNAAKLEAV---AAEL--GAADLPLRVADLDDPASLAALLA 72
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688  91 QTKLILNCVGPFRIHGDPVVSACADSGCDYLDISGEPEFMERMEANYHDRAEETGSLIVSACGFDSIPAELGLLFNAKQW 170
Cdd:COG3268  73 GTRVVLNTVGPFARTGEPLVEACLAAGTHYLDLTGEPDWVRRMIDRYDAAARAAGARIVPACGFDSVPSDLGAALLQERL 152
                       170       180       190       200       210       220       230       240
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688 171 vspsvPNQIEAYLSLESDKKIAGnfGTYESAVLGVANAEKLKELRRSRPR-RPRPTICGPPAKGPTlenQktiGLWALKL 249
Cdd:COG3268 153 -----PEADRLTLAVRAKGGFSG--GTAASMLEALAAGGADRRNGRLVRVpYALRTREDFPDGGPQ---Q---GAWTAPW 219
                       250       260       270       280       290       300       310       320
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688 250 PSADAVVVRRTlttltekpHGLPGINEspeqiqkreaFWSSIKPAHFGVKitskslfgifryVTLGVSLGLLSKFSFGRW 329
Cdd:COG3268 220 GDVNTAVVRRS--------NALLNYEE----------YMAVPKGAARALA------------LAAGLGALLAAAVPPLRR 269
                       330       340       350       360       370       380       390       400
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688 330 LLLKFPSVFSlgwfqkKGPSEEEVESATFKMWFIGRGyseeslaSQGETkpdleIITRISGPEiGYITTPITLVQCGLIV 409
Cdd:COG3268 270 LLKRVLPKPG------EGPSEEERERGRFVVWGEART-------AGGRR-----VRARVRGPG-GYGLTAKMLAEAALRL 330
                       410       420       430
                ....*....|....*....|....*....|....*..
gi 10177688 410 LGQREslVKGGVYTPGIVFGSTDIqQRLEDN-GISFE 445
Cdd:COG3268 331 LADDP--VRGGFLTPATAFGAALV-LRLLAVaGLTFE 364
 
Name Accession Description Interval E-value
COG3268 COG3268
Uncharacterized conserved protein, related to short-chain dehydrogenases [Function unknown];
11-445 9.68e-68

Uncharacterized conserved protein, related to short-chain dehydrogenases [Function unknown];


Pssm-ID: 442499 [Multi-domain]  Cd Length: 368  Bit Score: 220.49  E-value: 9.68e-68
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688  11 YDMVILGASGFTGKYVVREALKFLQTPsssplkslALAGRNPTRLTQSlewAARPnpPPSSVAILTADTSDPDSLRRLCT 90
Cdd:COG3268   6 FDIVVYGATGYTGRLVAEYLARRGLRP--------ALAGRNAAKLEAV---AAEL--GAADLPLRVADLDDPASLAALLA 72
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688  91 QTKLILNCVGPFRIHGDPVVSACADSGCDYLDISGEPEFMERMEANYHDRAEETGSLIVSACGFDSIPAELGLLFNAKQW 170
Cdd:COG3268  73 GTRVVLNTVGPFARTGEPLVEACLAAGTHYLDLTGEPDWVRRMIDRYDAAARAAGARIVPACGFDSVPSDLGAALLQERL 152
                       170       180       190       200       210       220       230       240
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688 171 vspsvPNQIEAYLSLESDKKIAGnfGTYESAVLGVANAEKLKELRRSRPR-RPRPTICGPPAKGPTlenQktiGLWALKL 249
Cdd:COG3268 153 -----PEADRLTLAVRAKGGFSG--GTAASMLEALAAGGADRRNGRLVRVpYALRTREDFPDGGPQ---Q---GAWTAPW 219
                       250       260       270       280       290       300       310       320
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688 250 PSADAVVVRRTlttltekpHGLPGINEspeqiqkreaFWSSIKPAHFGVKitskslfgifryVTLGVSLGLLSKFSFGRW 329
Cdd:COG3268 220 GDVNTAVVRRS--------NALLNYEE----------YMAVPKGAARALA------------LAAGLGALLAAAVPPLRR 269
                       330       340       350       360       370       380       390       400
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688 330 LLLKFPSVFSlgwfqkKGPSEEEVESATFKMWFIGRGyseeslaSQGETkpdleIITRISGPEiGYITTPITLVQCGLIV 409
Cdd:COG3268 270 LLKRVLPKPG------EGPSEEERERGRFVVWGEART-------AGGRR-----VRARVRGPG-GYGLTAKMLAEAALRL 330
                       410       420       430
                ....*....|....*....|....*....|....*..
gi 10177688 410 LGQREslVKGGVYTPGIVFGSTDIqQRLEDN-GISFE 445
Cdd:COG3268 331 LADDP--VRGGFLTPATAFGAALV-LRLLAVaGLTFE 364
Sacchrp_dh_NADP pfam03435
Saccharopine dehydrogenase NADP binding domain; This family contains the NADP binding domain ...
14-149 1.34e-10

Saccharopine dehydrogenase NADP binding domain; This family contains the NADP binding domain of saccharopine dehydrogenase. In some organizms this enzyme is found as a bifunctional polypeptide with lysine ketoglutarate reductase. The saccharopine dehydrogenase can also function as a saccharopine reductase.


Pssm-ID: 397480 [Multi-domain]  Cd Length: 120  Bit Score: 58.37  E-value: 1.34e-10
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688    14 VILGAsGFTGKYVVREALKflqtpsSSPLKSLALAGRNPTRLTQSLEWAarpNPPPSSVAILTADtSDPDSLRRLCTQTK 93
Cdd:pfam03435   2 LIIGA-GSVGQGVAPLLAR------HFDVDRITVADRTLEKAQALAAKL---GGVRFIAVAVDAD-NYEAVLAALLKEGD 70
                          90       100       110       120       130
                  ....*....|....*....|....*....|....*....|....*....|....*.
gi 10177688    94 LILNCVGPFRiHGDpVVSACADSGCDYLDISgepeFMERMEANYHDRAEETGSLIV 149
Cdd:pfam03435  71 LVVNLSPPTL-SLD-VLKACIETGVHYVDTS----YLREAVLALHEKAKDAGVTAV 120
PCBER_SDR_a cd05259
phenylcoumaran benzylic ether reductase (PCBER) like, atypical (a) SDRs; PCBER and ...
15-118 4.66e-04

phenylcoumaran benzylic ether reductase (PCBER) like, atypical (a) SDRs; PCBER and pinoresinol-lariciresinol reductases are NADPH-dependent aromatic alcohol reductases, and are atypical members of the SDR family. Other proteins in this subgroup are identified as eugenol synthase. These proteins contain an N-terminus characteristic of NAD(P)-binding proteins and a small C-terminal domain presumed to be involved in substrate binding, but they do not have the conserved active site Tyr residue typically found in SDRs. Numerous other members have unknown functions. The glycine rich NADP-binding motif in this subgroup is of 2 forms: GXGXXG and G[GA]XGXXG; it tends to be atypical compared with the forms generally seen in classical or extended SDRs. The usual SDR active site tetrad is not present, but a critical active site Lys at the usual SDR position has been identified in various members, though other charged and polar residues are found at this position in this subgroup. Atypical SDR-related proteins retain the Rossmann fold of the SDRs, but have limited sequence identity and generally lack the catalytic properties of the archetypical members. 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: 187569 [Multi-domain]  Cd Length: 282  Bit Score: 41.90  E-value: 4.66e-04
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688  15 ILGASGFTGKYVVREalkflqtpsssplkSLALAGRNPTRLTQSlEWAARPNPPPSSVAILTADTSDPDSLRRLCTQTKL 94
Cdd:cd05259   4 IAGATGTLGGPIVSA--------------LLASPGFTVTVLTRP-SSTSSNEFQPSGVKVVPVDYASHESLVAALKGVDA 68
                        90       100
                ....*....|....*....|....*
gi 10177688  95 ILNCVGPFRIHGDPV-VSACADSGC 118
Cdd:cd05259  69 VISALGGAAIGDQLKlIDAAIAAGV 93
 
Name Accession Description Interval E-value
COG3268 COG3268
Uncharacterized conserved protein, related to short-chain dehydrogenases [Function unknown];
11-445 9.68e-68

Uncharacterized conserved protein, related to short-chain dehydrogenases [Function unknown];


Pssm-ID: 442499 [Multi-domain]  Cd Length: 368  Bit Score: 220.49  E-value: 9.68e-68
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688  11 YDMVILGASGFTGKYVVREALKFLQTPsssplkslALAGRNPTRLTQSlewAARPnpPPSSVAILTADTSDPDSLRRLCT 90
Cdd:COG3268   6 FDIVVYGATGYTGRLVAEYLARRGLRP--------ALAGRNAAKLEAV---AAEL--GAADLPLRVADLDDPASLAALLA 72
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688  91 QTKLILNCVGPFRIHGDPVVSACADSGCDYLDISGEPEFMERMEANYHDRAEETGSLIVSACGFDSIPAELGLLFNAKQW 170
Cdd:COG3268  73 GTRVVLNTVGPFARTGEPLVEACLAAGTHYLDLTGEPDWVRRMIDRYDAAARAAGARIVPACGFDSVPSDLGAALLQERL 152
                       170       180       190       200       210       220       230       240
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688 171 vspsvPNQIEAYLSLESDKKIAGnfGTYESAVLGVANAEKLKELRRSRPR-RPRPTICGPPAKGPTlenQktiGLWALKL 249
Cdd:COG3268 153 -----PEADRLTLAVRAKGGFSG--GTAASMLEALAAGGADRRNGRLVRVpYALRTREDFPDGGPQ---Q---GAWTAPW 219
                       250       260       270       280       290       300       310       320
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688 250 PSADAVVVRRTlttltekpHGLPGINEspeqiqkreaFWSSIKPAHFGVKitskslfgifryVTLGVSLGLLSKFSFGRW 329
Cdd:COG3268 220 GDVNTAVVRRS--------NALLNYEE----------YMAVPKGAARALA------------LAAGLGALLAAAVPPLRR 269
                       330       340       350       360       370       380       390       400
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688 330 LLLKFPSVFSlgwfqkKGPSEEEVESATFKMWFIGRGyseeslaSQGETkpdleIITRISGPEiGYITTPITLVQCGLIV 409
Cdd:COG3268 270 LLKRVLPKPG------EGPSEEERERGRFVVWGEART-------AGGRR-----VRARVRGPG-GYGLTAKMLAEAALRL 330
                       410       420       430
                ....*....|....*....|....*....|....*..
gi 10177688 410 LGQREslVKGGVYTPGIVFGSTDIqQRLEDN-GISFE 445
Cdd:COG3268 331 LADDP--VRGGFLTPATAFGAALV-LRLLAVaGLTFE 364
Lys9 COG1748
Saccharopine dehydrogenase, NADP-dependent [Amino acid transport and metabolism]; Saccharopine ...
47-155 1.28e-16

Saccharopine dehydrogenase, NADP-dependent [Amino acid transport and metabolism]; Saccharopine dehydrogenase, NADP-dependent is part of the Pathway/BioSystem: Lysine biosynthesis


Pssm-ID: 441354 [Multi-domain]  Cd Length: 352  Bit Score: 80.65  E-value: 1.28e-16
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688  47 LAGRNPTRLTQslewAARPNPPpssVAILTADTSDPDSLRRLCTQTKLILNCVGPFRihGDPVVSACADSGCDYLDISGE 126
Cdd:COG1748   5 LADRSLEKAEA----LAASGPK---VEAAQLDASDPEALAALIAGADLVINALPPYL--NLTVAEACIEAGVHYVDLSED 75
                        90       100
                ....*....|....*....|....*....
gi 10177688 127 PEFMERMEAnYHDRAEETGSLIVSACGFD 155
Cdd:COG1748  76 EPETEAKLA-LDELAKEAGVTAIPGCGLA 103
Sacchrp_dh_NADP pfam03435
Saccharopine dehydrogenase NADP binding domain; This family contains the NADP binding domain ...
14-149 1.34e-10

Saccharopine dehydrogenase NADP binding domain; This family contains the NADP binding domain of saccharopine dehydrogenase. In some organizms this enzyme is found as a bifunctional polypeptide with lysine ketoglutarate reductase. The saccharopine dehydrogenase can also function as a saccharopine reductase.


Pssm-ID: 397480 [Multi-domain]  Cd Length: 120  Bit Score: 58.37  E-value: 1.34e-10
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688    14 VILGAsGFTGKYVVREALKflqtpsSSPLKSLALAGRNPTRLTQSLEWAarpNPPPSSVAILTADtSDPDSLRRLCTQTK 93
Cdd:pfam03435   2 LIIGA-GSVGQGVAPLLAR------HFDVDRITVADRTLEKAQALAAKL---GGVRFIAVAVDAD-NYEAVLAALLKEGD 70
                          90       100       110       120       130
                  ....*....|....*....|....*....|....*....|....*....|....*.
gi 10177688    94 LILNCVGPFRiHGDpVVSACADSGCDYLDISgepeFMERMEANYHDRAEETGSLIV 149
Cdd:pfam03435  71 LVVNLSPPTL-SLD-VLKACIETGVHYVDTS----YLREAVLALHEKAKDAGVTAV 120
YwnB COG2910
Putative NADH-flavin reductase [General function prediction only];
14-114 2.60e-05

Putative NADH-flavin reductase [General function prediction only];


Pssm-ID: 442154 [Multi-domain]  Cd Length: 205  Bit Score: 45.23  E-value: 2.60e-05
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688  14 VILGASGFTGKYVVREALKflqtpsssplkslalAG-------RNPTRLTqslewAARPNpppssVAILTADTSDPDSLR 86
Cdd:COG2910   3 AVIGATGRVGSLIVREALA---------------RGhevtalvRNPEKLP-----DEHPG-----LTVVVGDVLDPAAVA 57
                        90       100
                ....*....|....*....|....*...
gi 10177688  87 RLCTQTKLILNCVGPFRIHGDPVVSACA 114
Cdd:COG2910  58 EALAGADAVVSALGAGGGNPTTVLSDGA 85
YbjT COG0702
Uncharacterized conserved protein YbjT, contains NAD(P)-binding and DUF2867 domains [General ...
14-118 5.32e-05

Uncharacterized conserved protein YbjT, contains NAD(P)-binding and DUF2867 domains [General function prediction only];


Pssm-ID: 440466 [Multi-domain]  Cd Length: 215  Bit Score: 44.07  E-value: 5.32e-05
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688  14 VILGASGFTGKYVVREALKflqtpsssplkslalAGRNPTRLTQSLEWAARPNPPpsSVAILTADTSDPDSLRRLCTQTK 93
Cdd:COG0702   3 LVTGATGFIGRRVVRALLA---------------RGHPVRALVRDPEKAAALAAA--GVEVVQGDLDDPESLAAALAGVD 65
                        90       100       110
                ....*....|....*....|....*....|...
gi 10177688  94 LILNCVGP--------FRIHGDPVVSACADSGC 118
Cdd:COG0702  66 AVFLLVPSgpggdfavDVEGARNLADAAKAAGV 98
PCBER_SDR_a cd05259
phenylcoumaran benzylic ether reductase (PCBER) like, atypical (a) SDRs; PCBER and ...
15-118 4.66e-04

phenylcoumaran benzylic ether reductase (PCBER) like, atypical (a) SDRs; PCBER and pinoresinol-lariciresinol reductases are NADPH-dependent aromatic alcohol reductases, and are atypical members of the SDR family. Other proteins in this subgroup are identified as eugenol synthase. These proteins contain an N-terminus characteristic of NAD(P)-binding proteins and a small C-terminal domain presumed to be involved in substrate binding, but they do not have the conserved active site Tyr residue typically found in SDRs. Numerous other members have unknown functions. The glycine rich NADP-binding motif in this subgroup is of 2 forms: GXGXXG and G[GA]XGXXG; it tends to be atypical compared with the forms generally seen in classical or extended SDRs. The usual SDR active site tetrad is not present, but a critical active site Lys at the usual SDR position has been identified in various members, though other charged and polar residues are found at this position in this subgroup. Atypical SDR-related proteins retain the Rossmann fold of the SDRs, but have limited sequence identity and generally lack the catalytic properties of the archetypical members. 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: 187569 [Multi-domain]  Cd Length: 282  Bit Score: 41.90  E-value: 4.66e-04
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688  15 ILGASGFTGKYVVREalkflqtpsssplkSLALAGRNPTRLTQSlEWAARPNPPPSSVAILTADTSDPDSLRRLCTQTKL 94
Cdd:cd05259   4 IAGATGTLGGPIVSA--------------LLASPGFTVTVLTRP-SSTSSNEFQPSGVKVVPVDYASHESLVAALKGVDA 68
                        90       100
                ....*....|....*....|....*
gi 10177688  95 ILNCVGPFRIHGDPV-VSACADSGC 118
Cdd:cd05259  69 VISALGGAAIGDQLKlIDAAIAAGV 93
SDR_e_a cd05226
Extended (e) and atypical (a) SDRs; Extended or atypical short-chain dehydrogenases/reductases ...
15-119 9.02e-04

Extended (e) and atypical (a) SDRs; Extended or atypical short-chain dehydrogenases/reductases (SDRs, aka tyrosine-dependent oxidoreductases) are distinct from classical SDRs. In addition to the Rossmann fold (alpha/beta folding pattern with a central beta-sheet) core region typical of all SDRs, extended SDRs have a less conserved C-terminal extension of approximately 100 amino acids. Extended SDRs are a diverse collection of proteins, and include isomerases, epimerases, oxidoreductases, and lyases; they typically have a TGXXGXXG cofactor binding motif. 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. 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: 187537 [Multi-domain]  Cd Length: 176  Bit Score: 40.08  E-value: 9.02e-04
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688  15 ILGASGFTGKYVVREALKflqtpSSSPLKSLAlagRNPTRLtqslewaarPNPPPSSVAILTADTSDPDSLRRLCTQTKL 94
Cdd:cd05226   3 ILGATGFIGRALARELLE-----QGHEVTLLV---RNTKRL---------SKEDQEPVAVVEGDLRDLDSLSDAVQGVDV 65
                        90       100       110
                ....*....|....*....|....*....|....*
gi 10177688  95 ILNCVGPFRIHGDP----------VVSACADSGCD 119
Cdd:cd05226  66 VIHLAGAPRDTRDFcevdvegtrnVLEAAKEAGVK 100
SDR_a3 cd05229
atypical (a) SDRs, subgroup 3; These atypical SDR family members of unknown function have a ...
15-117 4.98e-03

atypical (a) SDRs, subgroup 3; These atypical SDR family members of unknown function have a glycine-rich NAD(P)-binding motif consensus that is very similar to the extended SDRs, GXXGXXG. Generally, this group has poor conservation of the active site tetrad, However, individual sequences do contain matches to the YXXXK active site motif, and generally Tyr or Asn in place of the upstream Ser found in most SDRs. 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: 187540 [Multi-domain]  Cd Length: 302  Bit Score: 38.85  E-value: 4.98e-03
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688  15 ILGASGFTGKYVVREALKflQTpsssplKSLALAGRNPTRLtqslewaarpnPPPSSVAILTADTSDPDSLRRLCTQTKL 94
Cdd:cd05229   4 VLGASGPIGREVARELRR--RG------WDVRLVSRSGSKL-----------AWLPGVEIVAADAMDASSVIAAARGADV 64
                        90       100       110
                ....*....|....*....|....*....|.
gi 10177688  95 ILNCVGP--------FRIHGDPVVSACADSG 117
Cdd:cd05229  65 IYHCANPaytrweelFPPLMENVVAAAEANG 95
SDR_a5 cd05243
atypical (a) SDRs, subgroup 5; This subgroup contains atypical SDRs, some of which are ...
14-100 6.13e-03

atypical (a) SDRs, subgroup 5; This subgroup contains atypical SDRs, some of which are identified as putative NAD(P)-dependent epimerases, one as a putative NAD-dependent epimerase/dehydratase. Atypical SDRs are distinct from classical SDRs. Members of this subgroup have a glycine-rich NAD(P)-binding motif that is very similar to the extended SDRs, GXXGXXG, and binds NADP. Generally, this subgroup has poor conservation of the active site tetrad; however, individual sequences do contain matches to the YXXXK active site motif, the upstream Ser, and there is a highly conserved Asp in place of the usual active site Asn throughout the subgroup. 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: 187554 [Multi-domain]  Cd Length: 203  Bit Score: 37.99  E-value: 6.13e-03
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688  14 VILGASGFTGKYVVREALKflqtpSSSPLKSLAlagRNPTRLTQSLEWAARpnpppssvaILTADTSDPDSLRRLCTQTK 93
Cdd:cd05243   3 LVVGATGKVGRHVVRELLD-----RGYQVRALV---RDPSQAEKLEAAGAE---------VVVGDLTDAESLAAALEGID 65

                ....*..
gi 10177688  94 LILNCVG 100
Cdd:cd05243  66 AVISAAG 72
NAD_binding_10 pfam13460
NAD(P)H-binding;
17-87 7.43e-03

NAD(P)H-binding;


Pssm-ID: 463885 [Multi-domain]  Cd Length: 183  Bit Score: 37.58  E-value: 7.43e-03
                          10        20        30        40        50        60        70
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|.
gi 10177688    17 GASGFTGKYVVREALKflqtpSSSPLKSLAlagRNPTRLTQsLEWAARpnpppssVAILTADTSDPDSLRR 87
Cdd:pfam13460   1 GATGKIGRLLVKQLLA-----RGHEVTALV---RNPEKLAD-LEDHPG-------VEVVDGDVLDPDDLAE 55
NDUFA9_like_SDR_a cd05271
NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, subunit 9, 39 kDa, (NDUFA9) -like, ...
14-100 7.59e-03

NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, subunit 9, 39 kDa, (NDUFA9) -like, atypical (a) SDRs; This subgroup of extended SDR-like proteins are atypical SDRs. They have a glycine-rich NAD(P)-binding motif similar to the typical SDRs, GXXGXXG, and have the YXXXK active site motif (though not the other residues of the SDR tetrad). Members identified include NDUFA9 (mitochondrial) and putative nucleoside-diphosphate-sugar epimerase. 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: 187579 [Multi-domain]  Cd Length: 273  Bit Score: 38.00  E-value: 7.59e-03
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 10177688  14 VILGASGFTGKYVVREalkflqtpsssplksLALAG---RNPTRltqSLEWAARPNPPPSSVAILT--ADTSDPDSLRRL 88
Cdd:cd05271   4 TVFGATGFIGRYVVNR---------------LAKRGsqvIVPYR---CEAYARRLLVMGDLGQVLFveFDLRDDESIRKA 65
                        90
                ....*....|..
gi 10177688  89 CTQTKLILNCVG 100
Cdd:cd05271  66 LEGSDVVINLVG 77
 
Blast search parameters
Data Source: Precalculated data, version = cdd.v.3.21
Preset Options: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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