ID A0A0P5T180_9CRUS Unreviewed; 275 AA.
AC A0A0P5T180;
DT 20-JAN-2016, integrated into UniProtKB/TrEMBL.
DT 20-JAN-2016, sequence version 1.
DT 27-MAR-2024, entry version 27.
DE RecName: Full=3-oxo-5alpha-steroid 4-dehydrogenase (NADP(+)) {ECO:0000256|PIRNR:PIRNR015596};
DE EC=1.3.1.22 {ECO:0000256|PIRNR:PIRNR015596};
GN ORFNames=APZ42_012481 {ECO:0000313|EMBL:KZS20825.1};
OS Daphnia magna.
OC Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Crustacea; Branchiopoda;
OC Diplostraca; Cladocera; Anomopoda; Daphniidae; Daphnia.
OX NCBI_TaxID=35525 {ECO:0000313|EMBL:JAL68807.1};
RN [1] {ECO:0000313|EMBL:JAL68807.1}
RP NUCLEOTIDE SEQUENCE.
RA Gilbert D., Podicheti R., Orsini L., Colbourne J., Pfrender M.;
RT "Daphnia magna gene sets from two clonal populations assembled and
RT annotated with EvidentialGene.";
RL Submitted (OCT-2015) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:JAL68807.1}
RP NUCLEOTIDE SEQUENCE.
RA Gilbert D.G.;
RL Submitted (OCT-2015) to the EMBL/GenBank/DDBJ databases.
RN [3] {ECO:0000313|EMBL:KZS20825.1, ECO:0000313|Proteomes:UP000076858}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Xinb3 {ECO:0000313|EMBL:KZS20825.1,
RC ECO:0000313|Proteomes:UP000076858};
RC TISSUE=Complete organism {ECO:0000313|EMBL:KZS20825.1};
RA Gilbert D.G., Choi J.-H., Mockaitis K., Colbourne J., Pfrender M.;
RT "EvidentialGene: Evidence-directed Construction of Genes on Genomes.";
RL Submitted (MAR-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=17beta-hydroxy-5alpha-androstan-3-one + NADP(+) = H(+) + NADPH
CC + testosterone; Xref=Rhea:RHEA:50820, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:16330, ChEBI:CHEBI:17347, ChEBI:CHEBI:57783,
CC ChEBI:CHEBI:58349; EC=1.3.1.22;
CC Evidence={ECO:0000256|ARBA:ARBA00023677};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:50822;
CC Evidence={ECO:0000256|ARBA:ARBA00023677};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=5alpha-pregnane-3,20-dione + NADP(+) = H(+) + NADPH +
CC progesterone; Xref=Rhea:RHEA:21952, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:17026, ChEBI:CHEBI:28952, ChEBI:CHEBI:57783,
CC ChEBI:CHEBI:58349; EC=1.3.1.22;
CC Evidence={ECO:0000256|ARBA:ARBA00034445};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:21954;
CC Evidence={ECO:0000256|ARBA:ARBA00034445};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 3-oxo-5alpha-steroid + NADP(+) = a 3-oxo-Delta(4)-steroid +
CC H(+) + NADPH; Xref=Rhea:RHEA:54384, ChEBI:CHEBI:13601,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:47909, ChEBI:CHEBI:57783,
CC ChEBI:CHEBI:58349; EC=1.3.1.22;
CC Evidence={ECO:0000256|ARBA:ARBA00001683,
CC ECO:0000256|PIRNR:PIRNR015596};
CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004141}; Multi-
CC pass membrane protein {ECO:0000256|ARBA:ARBA00004141}. Microsome
CC membrane {ECO:0000256|ARBA:ARBA00004154}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004154}.
CC -!- SIMILARITY: Belongs to the steroid 5-alpha reductase family.
CC {ECO:0000256|ARBA:ARBA00007742, ECO:0000256|PIRNR:PIRNR015596}.
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DR EMBL; GDIP01134907; JAL68807.1; -; Transcribed_RNA.
DR EMBL; LRGB01000115; KZS20825.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0P5T180; -.
DR STRING; 35525.A0A0P5T180; -.
DR Proteomes; UP000076858; Unassembled WGS sequence.
DR GO; GO:0005789; C:endoplasmic reticulum membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0003865; F:3-oxo-5-alpha-steroid 4-dehydrogenase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0047751; F:3-oxo-5alpha-steroid 4-dehydrogenase (NADP+); IEA:UniProtKB-EC.
DR GO; GO:0006702; P:androgen biosynthetic process; IEA:UniProt.
DR GO; GO:0030154; P:cell differentiation; IEA:UniProtKB-KW.
DR GO; GO:0007548; P:sex differentiation; IEA:UniProtKB-KW.
DR Gene3D; 1.20.120.1630; -; 1.
DR InterPro; IPR016636; 3-oxo-5-alpha-steroid_4-DH.
DR InterPro; IPR001104; 3-oxo-5_a-steroid_4-DH_C.
DR InterPro; IPR039357; SRD5A/TECR.
DR PANTHER; PTHR10556; 3-OXO-5-ALPHA-STEROID 4-DEHYDROGENASE; 1.
DR PANTHER; PTHR10556:SF43; 3-OXO-5-ALPHA-STEROID 4-DEHYDROGENASE 2; 1.
DR Pfam; PF02544; Steroid_dh; 1.
DR PIRSF; PIRSF015596; 5_alpha-SR2; 1.
DR PROSITE; PS50244; S5A_REDUCTASE; 1.
PE 3: Inferred from homology;
KW Differentiation {ECO:0000256|ARBA:ARBA00022928};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|PIRNR:PIRNR015596};
KW Reference proteome {ECO:0000313|Proteomes:UP000076858};
KW Sexual differentiation {ECO:0000256|ARBA:ARBA00022928};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692,
KW ECO:0000256|PIRNR:PIRNR015596};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|PIRNR:PIRNR015596}.
FT TRANSMEM 32..50
FT /note="Helical"
FT /evidence="ECO:0000256|PIRNR:PIRNR015596"
FT TRANSMEM 70..90
FT /note="Helical"
FT /evidence="ECO:0000256|PIRNR:PIRNR015596"
FT TRANSMEM 130..152
FT /note="Helical"
FT /evidence="ECO:0000256|PIRNR:PIRNR015596"
FT TRANSMEM 164..183
FT /note="Helical"
FT /evidence="ECO:0000256|PIRNR:PIRNR015596"
FT DOMAIN 170..249
FT /note="Steroid 5-alpha reductase C-terminal"
FT /evidence="ECO:0000259|PROSITE:PS50244"
SQ SEQUENCE 275 AA; 31520 MW; 04DDFA0192377093 CRC64;
MAIETYSGDK FIIDYIHPLF RTSNDSEMLT NMVWIFFFYT LSVVATMAVL PAPYGRYSSS
RFGFLLPGKF AWITQESPAL LVPIILLWTT SATCWKSSAN KILFSAFFIH YFQRSLIFPL
TTRGAKDSPF LVYISALSFC LFNGFMQGHY LLNYYQYDDN WATSPQFVIG LIIFCIGLAI
NVHSDQLLIR LRKPGETGYK IPVGGMFNYV TGGNFFGEIV EWFGFAIASC SPPSAIFALF
SACYLGMRAW HHHNYYLAKF EDYPRTRKII IPFLF
//
