ID B1PL89_HORSE Unreviewed; 678 AA.
AC B1PL89;
DT 29-APR-2008, integrated into UniProtKB/TrEMBL.
DT 29-APR-2008, sequence version 1.
DT 24-JAN-2024, entry version 81.
DE RecName: Full=NADPH--cytochrome P450 reductase {ECO:0000256|HAMAP-Rule:MF_03212, ECO:0000256|PIRNR:PIRNR000208};
DE Short=CPR {ECO:0000256|HAMAP-Rule:MF_03212};
DE Short=P450R {ECO:0000256|HAMAP-Rule:MF_03212};
DE EC=1.6.2.4 {ECO:0000256|HAMAP-Rule:MF_03212, ECO:0000256|PIRNR:PIRNR000208};
GN Name=POR {ECO:0000256|HAMAP-Rule:MF_03212};
OS Equus caballus (Horse).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Laurasiatheria; Perissodactyla; Equidae; Equus.
OX NCBI_TaxID=9796 {ECO:0000313|EMBL:ACA29684.1};
RN [1] {ECO:0000313|EMBL:ACA29684.1}
RP NUCLEOTIDE SEQUENCE.
RA Knych H.K., Stanley S.D.;
RT "Isolation, Expression and Characterization of Equine Liver NADPH
RT Cytochrome 450 Reductase.";
RL Submitted (FEB-2008) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: This enzyme is required for electron transfer from NADP to
CC cytochrome P450 in microsomes. It can also provide electron transfer to
CC heme oxygenase and cytochrome B5. {ECO:0000256|HAMAP-Rule:MF_03212}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=NADPH + 2 oxidized [cytochrome P450] = H(+) + NADP(+) + 2
CC reduced [cytochrome P450]; Xref=Rhea:RHEA:24040, Rhea:RHEA-
CC COMP:14627, Rhea:RHEA-COMP:14628, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:55376, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349,
CC ChEBI:CHEBI:60344; EC=1.6.2.4; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_03212, ECO:0000256|PIRNR:PIRNR000208};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_03212};
CC Note=Binds 1 FAD per monomer. {ECO:0000256|HAMAP-Rule:MF_03212};
CC -!- COFACTOR:
CC Name=FMN; Xref=ChEBI:CHEBI:58210;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_03212};
CC Note=Binds 1 FMN per monomer. {ECO:0000256|HAMAP-Rule:MF_03212};
CC -!- SUBCELLULAR LOCATION: Endoplasmic reticulum membrane
CC {ECO:0000256|HAMAP-Rule:MF_03212}; Single-pass membrane protein
CC {ECO:0000256|HAMAP-Rule:MF_03212}; Cytoplasmic side {ECO:0000256|HAMAP-
CC Rule:MF_03212}.
CC -!- SIMILARITY: Belongs to the NADPH--cytochrome P450 reductase family.
CC {ECO:0000256|HAMAP-Rule:MF_03212}.
CC -!- SIMILARITY: In the C-terminal section; belongs to the flavoprotein
CC pyridine nucleotide cytochrome reductase family. {ECO:0000256|HAMAP-
CC Rule:MF_03212, ECO:0000256|PIRNR:PIRNR000208}.
CC -!- SIMILARITY: In the N-terminal section; belongs to the flavodoxin
CC family. {ECO:0000256|HAMAP-Rule:MF_03212}.
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DR EMBL; EU447660; ACA29684.1; -; mRNA.
DR RefSeq; NP_001116127.1; NM_001122655.1.
DR AlphaFoldDB; B1PL89; -.
DR PeptideAtlas; B1PL89; -.
DR GeneID; 100059789; -.
DR KEGG; ecb:100059789; -.
DR CTD; 5447; -.
DR OrthoDB; 276396at2759; -.
DR GO; GO:0005789; C:endoplasmic reticulum membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:UniProtKB-UniRule.
DR GO; GO:0010181; F:FMN binding; IEA:UniProtKB-UniRule.
DR GO; GO:0050661; F:NADP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003958; F:NADPH-hemoprotein reductase activity; IEA:UniProtKB-UniRule.
DR CDD; cd06204; CYPOR; 1.
DR Gene3D; 3.40.50.360; -; 1.
DR Gene3D; 3.40.50.80; Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module; 1.
DR Gene3D; 2.40.30.10; Translation factors; 1.
DR HAMAP; MF_03212; NCPR; 1.
DR InterPro; IPR003097; CysJ-like_FAD-binding.
DR InterPro; IPR017927; FAD-bd_FR_type.
DR InterPro; IPR001094; Flavdoxin-like.
DR InterPro; IPR008254; Flavodoxin/NO_synth.
DR InterPro; IPR001709; Flavoprot_Pyr_Nucl_cyt_Rdtase.
DR InterPro; IPR029039; Flavoprotein-like_sf.
DR InterPro; IPR039261; FNR_nucleotide-bd.
DR InterPro; IPR023173; NADPH_Cyt_P450_Rdtase_alpha.
DR InterPro; IPR001433; OxRdtase_FAD/NAD-bd.
DR InterPro; IPR023208; P450R.
DR InterPro; IPR017938; Riboflavin_synthase-like_b-brl.
DR PANTHER; PTHR19384:SF17; NADPH--CYTOCHROME P450 REDUCTASE; 1.
DR PANTHER; PTHR19384; NITRIC OXIDE SYNTHASE-RELATED; 1.
DR Pfam; PF00667; FAD_binding_1; 1.
DR Pfam; PF00258; Flavodoxin_1; 1.
DR Pfam; PF00175; NAD_binding_1; 1.
DR PIRSF; PIRSF000208; P450R; 1.
DR PRINTS; PR00369; FLAVODOXIN.
DR PRINTS; PR00371; FPNCR.
DR SUPFAM; SSF52343; Ferredoxin reductase-like, C-terminal NADP-linked domain; 1.
DR SUPFAM; SSF52218; Flavoproteins; 1.
DR SUPFAM; SSF63380; Riboflavin synthase domain-like; 1.
DR PROSITE; PS51384; FAD_FR; 1.
DR PROSITE; PS50902; FLAVODOXIN_LIKE; 1.
PE 2: Evidence at transcript level;
KW Endoplasmic reticulum {ECO:0000256|ARBA:ARBA00022824, ECO:0000256|HAMAP-
KW Rule:MF_03212};
KW FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|HAMAP-Rule:MF_03212};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630, ECO:0000256|HAMAP-
KW Rule:MF_03212};
KW FMN {ECO:0000256|ARBA:ARBA00022643, ECO:0000256|HAMAP-Rule:MF_03212};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|HAMAP-Rule:MF_03212};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|HAMAP-Rule:MF_03212};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_03212};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|HAMAP-
KW Rule:MF_03212};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989, ECO:0000256|HAMAP-
KW Rule:MF_03212}.
FT TRANSMEM 20..43
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03212"
FT DOMAIN 80..224
FT /note="Flavodoxin-like"
FT /evidence="ECO:0000259|PROSITE:PS50902"
FT DOMAIN 279..521
FT /note="FAD-binding FR-type"
FT /evidence="ECO:0000259|PROSITE:PS51384"
FT BINDING 86..91
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03212"
FT BINDING 138..141
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03212"
FT BINDING 173..182
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03212"
FT BINDING 208
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03212"
FT BINDING 298
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03212"
FT BINDING 424
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03212"
FT BINDING 454..457
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03212"
FT BINDING 472..474
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03212"
FT BINDING 478
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03212"
FT BINDING 488..491
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03212"
FT BINDING 535
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03212"
FT BINDING 596..597
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03212"
FT BINDING 602..606
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03212"
FT BINDING 639
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03212"
FT BINDING 677
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03212"
SQ SEQUENCE 678 AA; 77124 MW; A056D4B820A1D072 CRC64;
MGDSNMDASA PTSETVAEEV SLFSMMDMFL FSLIVGLLTY WFLFRKKKDE IPEFTKIQTT
TTSVKDSSFV EKMKKTGRNI IVFYGSQTGT AEEFANRLSK DAHRYGMRGM AADPEEYDLA
DLGSLSEIEN SLAVFCMATY GEGDPTDNAQ DFYDWLQEAD VDLSGVKYAV FGLGNKTYEH
FNAMGKYVDR RLEQLGAQRI FELGLGDDDG NLEEDFITWR EQFWPAVCEH FGVEATGEES
SIRQYELLVH TDIDAAKVYV GEMGRLKSYE TQKPPFDAKN PFLAVVTTNR KLNQGTERHL
MHLELDISDS KIRYESGDHV AVYPANDSAL VNQLGEILGA DLDVIMSLNN LDEESNKKHP
FPCPTSYRTA LTYYLDITNP PRTNVLYELA QYASEPFEQE QLRKMASSSG EGKELYLTWV
VEARRHILAI LQDYPSLRPP IDHLCELLPR LQARYYSIAS SSKVHPNSVH ICAVAVEYET
KTGRINKGVA TTWLRAKEPA KENGRRALVP MFVRKSQFRL PFKATTPVIM VGPGTGIAPF
IGFIQERAWL QQQGKEVGET LLYYGCRRSD EDYLYRDELA QFHRDGSLTQ LNVAFSREQA
HKVYVQHLLK RDKEHLWKLI HEGGAHIYVC GDARNMARDV QNTFYDIVAE LGTMEHAQAV
DYIKKLMTKG RYSLDVWS
//
