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Conserved domains on  [gi|14250468|gb|AAH08673|]
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Steroid-5-alpha-reductase, alpha polypeptide 1 (3-oxo-5 alpha-steroid delta 4-dehydrogenase alpha 1) [Homo sapiens]

Protein Classification

3-oxo-5-alpha-steroid 4-dehydrogenase( domain architecture ID 10495092)

3-oxo-5-alpha-steroid 4-dehydrogenase (NADP(+)) converts testosterone (T) into 5-alpha-dihydrotestosterone (DHT) and progesterone or corticosterone into their corresponding 5-alpha-3-oxosteroids

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
Steroid_dh pfam02544
3-oxo-5-alpha-steroid 4-dehydrogenase; This family consists of 3-oxo-5-alpha-steroid ...
110-259 5.59e-78

3-oxo-5-alpha-steroid 4-dehydrogenase; This family consists of 3-oxo-5-alpha-steroid 4-dehydrogenases, EC:1.3.99.5 Also known as Steroid 5-alpha-reductase, the reaction catalyzed by this enzyme is: 3-oxo-5-alpha-steroid + acceptor <=> 3-oxo-delta(4)-steroid + reduced acceptor. The Steroid 5-alpha-reductase enzyme is responsible for the formation of dihydrotestosterone, this hormone promotes the differentiation of male external genitalia and the prostate during fetal development. In humans mutations in this enzyme can cause a form of male pseudohermaphorditism in which the external genitalia and prostate fail to develop normally. A related enzyme is also found in plants is DET2, a steroid reductase from Arabidopsis. Mutations in this enzyme cause defects in light-regulated development.


:

Pssm-ID: 460585 [Multi-domain]  Cd Length: 150  Bit Score: 232.30  E-value: 5.59e-78
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 14250468   110 KPMPLLACTMAIMFCTCNGYLQSRYLSHCAVYADDWVTDPRFLIGFGLWLTGMLINIHSDHILRNLRKPGDTGYKIPRGG 189
Cdd:pfam02544   1 ATMPLTIVAKAFAFCTLNGLIQGRYNSYYQPYAEDWVTDPRFLIGIGLFVTGMLINIKSDIILRTLRKPGNTGYKIPRGG 80
                          90       100       110       120       130       140       150
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 14250468   190 LFEYVTAANYFGEIMEWCGYALASWSVQGAAFAFFTFCFLSGRAKEHHEWYLRKFEEYPKFRKIIIPFLF 259
Cdd:pfam02544  81 LFELVSCPNYFGEIMEWIGYALATWSLPALAFAFFTVCNLTPRAKAHHKWYLKKFEKYPKSRKALIPFVF 150
 
Name Accession Description Interval E-value
Steroid_dh pfam02544
3-oxo-5-alpha-steroid 4-dehydrogenase; This family consists of 3-oxo-5-alpha-steroid ...
110-259 5.59e-78

3-oxo-5-alpha-steroid 4-dehydrogenase; This family consists of 3-oxo-5-alpha-steroid 4-dehydrogenases, EC:1.3.99.5 Also known as Steroid 5-alpha-reductase, the reaction catalyzed by this enzyme is: 3-oxo-5-alpha-steroid + acceptor <=> 3-oxo-delta(4)-steroid + reduced acceptor. The Steroid 5-alpha-reductase enzyme is responsible for the formation of dihydrotestosterone, this hormone promotes the differentiation of male external genitalia and the prostate during fetal development. In humans mutations in this enzyme can cause a form of male pseudohermaphorditism in which the external genitalia and prostate fail to develop normally. A related enzyme is also found in plants is DET2, a steroid reductase from Arabidopsis. Mutations in this enzyme cause defects in light-regulated development.


Pssm-ID: 460585 [Multi-domain]  Cd Length: 150  Bit Score: 232.30  E-value: 5.59e-78
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 14250468   110 KPMPLLACTMAIMFCTCNGYLQSRYLSHCAVYADDWVTDPRFLIGFGLWLTGMLINIHSDHILRNLRKPGDTGYKIPRGG 189
Cdd:pfam02544   1 ATMPLTIVAKAFAFCTLNGLIQGRYNSYYQPYAEDWVTDPRFLIGIGLFVTGMLINIKSDIILRTLRKPGNTGYKIPRGG 80
                          90       100       110       120       130       140       150
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 14250468   190 LFEYVTAANYFGEIMEWCGYALASWSVQGAAFAFFTFCFLSGRAKEHHEWYLRKFEEYPKFRKIIIPFLF 259
Cdd:pfam02544  81 LFELVSCPNYFGEIMEWIGYALATWSLPALAFAFFTVCNLTPRAKAHHKWYLKKFEKYPKSRKALIPFVF 150
PLN02392 PLN02392
probable steroid reductase DET2
38-259 2.73e-52

probable steroid reductase DET2


Pssm-ID: 178015  Cd Length: 260  Bit Score: 170.76  E-value: 2.73e-52
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 14250468   38 YGRHALPSHRLRVPARAAWVVQELPSLALPLYQYasesaPRLRSAPN---CILLAMFLVHYGHRCLIYPFLM------RG 108
Cdd:PLN02392  34 YGKHNRLGWGPTVSPPLAWFLMESPTLWLTLLLF-----PLGQHFTNpkaLLLMSPYLLHYFHRTCIYPLRLyrstsqQN 108
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 14250468  109 GKPMPLLACTMAIMFCTCNGYLQSRYLSHcavYADDWVTDP----RFLIGFGLWLTGMLINIHSDHILRNLRKPGDtGYK 184
Cdd:PLN02392 109 TKGFPVSMALLAFGFNLLNAYLQARWVSH---YKDDYEDGGwfwwRFFGGLVVFLWGMRINVWSDRVLVGLKREGG-GYK 184
                        170       180       190       200       210       220       230
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 14250468  185 IPRGGLFEYVTAANYFGEIMEWCGYALASWSVQGAAFAFFTFCFLSGRAKEHHEWYLRKF-EEYPKFRKIIIPFLF 259
Cdd:PLN02392 185 VPRGGWFELVSCPNYFGEIVEWLGWAVMTWSWAGFGFFLYTCSNLVPRACANHKWYLEKFgEDYPKGRKAVIPFLY 260
COG3752 COG3752
Steroid 5-alpha reductase family enzyme [General function prediction only];
148-216 3.11e-04

Steroid 5-alpha reductase family enzyme [General function prediction only];


Pssm-ID: 442966  Cd Length: 264  Bit Score: 40.97  E-value: 3.11e-04
                        10        20        30        40        50        60        70
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 14250468 148 DPRFLIGFGLWLTGMLINIHSDHILRNLRK-PGDTGyKIPRGGLFEYVTAANYFGEIMEWCGYALASWSV 216
Cdd:COG3752 140 GWLDVLGAALWLVGFAFEAVADAQLARFKAdPANKG-KVCDTGLWRYSRHPNYFGEWLVWWGLALFALAA 208
 
Name Accession Description Interval E-value
Steroid_dh pfam02544
3-oxo-5-alpha-steroid 4-dehydrogenase; This family consists of 3-oxo-5-alpha-steroid ...
110-259 5.59e-78

3-oxo-5-alpha-steroid 4-dehydrogenase; This family consists of 3-oxo-5-alpha-steroid 4-dehydrogenases, EC:1.3.99.5 Also known as Steroid 5-alpha-reductase, the reaction catalyzed by this enzyme is: 3-oxo-5-alpha-steroid + acceptor <=> 3-oxo-delta(4)-steroid + reduced acceptor. The Steroid 5-alpha-reductase enzyme is responsible for the formation of dihydrotestosterone, this hormone promotes the differentiation of male external genitalia and the prostate during fetal development. In humans mutations in this enzyme can cause a form of male pseudohermaphorditism in which the external genitalia and prostate fail to develop normally. A related enzyme is also found in plants is DET2, a steroid reductase from Arabidopsis. Mutations in this enzyme cause defects in light-regulated development.


Pssm-ID: 460585 [Multi-domain]  Cd Length: 150  Bit Score: 232.30  E-value: 5.59e-78
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 14250468   110 KPMPLLACTMAIMFCTCNGYLQSRYLSHCAVYADDWVTDPRFLIGFGLWLTGMLINIHSDHILRNLRKPGDTGYKIPRGG 189
Cdd:pfam02544   1 ATMPLTIVAKAFAFCTLNGLIQGRYNSYYQPYAEDWVTDPRFLIGIGLFVTGMLINIKSDIILRTLRKPGNTGYKIPRGG 80
                          90       100       110       120       130       140       150
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 14250468   190 LFEYVTAANYFGEIMEWCGYALASWSVQGAAFAFFTFCFLSGRAKEHHEWYLRKFEEYPKFRKIIIPFLF 259
Cdd:pfam02544  81 LFELVSCPNYFGEIMEWIGYALATWSLPALAFAFFTVCNLTPRAKAHHKWYLKKFEKYPKSRKALIPFVF 150
PLN02392 PLN02392
probable steroid reductase DET2
38-259 2.73e-52

probable steroid reductase DET2


Pssm-ID: 178015  Cd Length: 260  Bit Score: 170.76  E-value: 2.73e-52
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 14250468   38 YGRHALPSHRLRVPARAAWVVQELPSLALPLYQYasesaPRLRSAPN---CILLAMFLVHYGHRCLIYPFLM------RG 108
Cdd:PLN02392  34 YGKHNRLGWGPTVSPPLAWFLMESPTLWLTLLLF-----PLGQHFTNpkaLLLMSPYLLHYFHRTCIYPLRLyrstsqQN 108
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 14250468  109 GKPMPLLACTMAIMFCTCNGYLQSRYLSHcavYADDWVTDP----RFLIGFGLWLTGMLINIHSDHILRNLRKPGDtGYK 184
Cdd:PLN02392 109 TKGFPVSMALLAFGFNLLNAYLQARWVSH---YKDDYEDGGwfwwRFFGGLVVFLWGMRINVWSDRVLVGLKREGG-GYK 184
                        170       180       190       200       210       220       230
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 14250468  185 IPRGGLFEYVTAANYFGEIMEWCGYALASWSVQGAAFAFFTFCFLSGRAKEHHEWYLRKF-EEYPKFRKIIIPFLF 259
Cdd:PLN02392 185 VPRGGWFELVSCPNYFGEIVEWLGWAVMTWSWAGFGFFLYTCSNLVPRACANHKWYLEKFgEDYPKGRKAVIPFLY 260
PLN02560 PLN02560
enoyl-CoA reductase
146-258 1.20e-17

enoyl-CoA reductase


Pssm-ID: 178174 [Multi-domain]  Cd Length: 308  Bit Score: 80.54  E-value: 1.20e-17
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 14250468  146 VTDPRFLIGFGLWLTGMLINIHSDHILRNLRKP-GDTGYKIPRGGLFEYVTAANYFGEIMEWCGYALASWSVQGAAFAFF 224
Cdd:PLN02560 189 VSETQMKVGFGFGLVCQLANFYCHIILRNLRKPdGKGGYQIPRGFLFNYVTCANYTTEIYQWLGFNIATQTVAGYLFLAV 268
                         90       100       110       120
                 ....*....|....*....|....*....|....*....|
gi 14250468  225 TFCFLSGRAKEHHEWYLRKFE------EYPKFRKIIIPFL 258
Cdd:PLN02560 269 AAAIMTNWALAKHRRLKKLFDgkdgrpKYPRRWVILPPFL 308
PLN03164 PLN03164
3-oxo-5-alpha-steroid 4-dehydrogenase, C-terminal domain containing protein; Provisional
153-259 1.13e-11

3-oxo-5-alpha-steroid 4-dehydrogenase, C-terminal domain containing protein; Provisional


Pssm-ID: 215610 [Multi-domain]  Cd Length: 323  Bit Score: 63.68  E-value: 1.13e-11
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 14250468  153 IGFGLWLTGMLINIHSDHILRNLRK-PGDTG-YKIPRGGLFEYVTAANYFGEIMEWCGYALAS-------WSVQGAAFAF 223
Cdd:PLN03164 213 IGAAIFLWGWIHQYRCHAILGSLREhKKQADeYVIPYGDWFEMVSCPHYLAEIVIYAGLLIASggtdltiWLLFGFVVAN 292
                         90       100       110
                 ....*....|....*....|....*....|....*.
gi 14250468  224 ftfcfLSGRAKEHHEWYLRKFEEYPKFRKIIIPFLF 259
Cdd:PLN03164 293 -----LTFAAAETHRWYLQKFENYPRNRYAIIPFVY 323
DUF1295 pfam06966
Protein of unknown function (DUF1295); This family contains a number of bacterial and ...
153-216 1.29e-04

Protein of unknown function (DUF1295); This family contains a number of bacterial and eukaryotic proteins of unknown function that are approximately 300 residues long.


Pssm-ID: 399743  Cd Length: 235  Bit Score: 41.97  E-value: 1.29e-04
                          10        20        30        40        50        60
                  ....*....|....*....|....*....|....*....|....*....|....*....|....
gi 14250468   153 IGFGLWLTGMLINIHSDHILRNLRKPGDTGYKIPRGGLFEYVTAANYFGEIMEWCGYALASWSV 216
Cdd:pfam06966 123 IGIAVWLVGFLFEALADQQLWAFKADPANRGKFCDTGLWRYSRHPNYFGEALIWWGIFLIALNV 186
COG3752 COG3752
Steroid 5-alpha reductase family enzyme [General function prediction only];
148-216 3.11e-04

Steroid 5-alpha reductase family enzyme [General function prediction only];


Pssm-ID: 442966  Cd Length: 264  Bit Score: 40.97  E-value: 3.11e-04
                        10        20        30        40        50        60        70
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 14250468 148 DPRFLIGFGLWLTGMLINIHSDHILRNLRK-PGDTGyKIPRGGLFEYVTAANYFGEIMEWCGYALASWSV 216
Cdd:COG3752 140 GWLDVLGAALWLVGFAFEAVADAQLARFKAdPANKG-KVCDTGLWRYSRHPNYFGEWLVWWGLALFALAA 208
 
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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