MCR1_ASPOR
ID MCR1_ASPOR Reviewed; 323 AA.
AC Q2UKB8;
DT 29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 24-JAN-2006, sequence version 1.
DT 03-AUG-2022, entry version 88.
DE RecName: Full=NADH-cytochrome b5 reductase 2;
DE EC=1.6.2.2;
DE AltName: Full=Mitochondrial cytochrome b reductase;
GN Name=mcr1; ORFNames=AO090003000873;
OS Aspergillus oryzae (strain ATCC 42149 / RIB 40) (Yellow koji mold).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC Eurotiomycetidae; Eurotiales; Aspergillaceae; Aspergillus;
OC Aspergillus subgen. Circumdati.
OX NCBI_TaxID=510516;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 42149 / RIB 40;
RX PubMed=16372010; DOI=10.1038/nature04300;
RA Machida M., Asai K., Sano M., Tanaka T., Kumagai T., Terai G., Kusumoto K.,
RA Arima T., Akita O., Kashiwagi Y., Abe K., Gomi K., Horiuchi H.,
RA Kitamoto K., Kobayashi T., Takeuchi M., Denning D.W., Galagan J.E.,
RA Nierman W.C., Yu J., Archer D.B., Bennett J.W., Bhatnagar D.,
RA Cleveland T.E., Fedorova N.D., Gotoh O., Horikawa H., Hosoyama A.,
RA Ichinomiya M., Igarashi R., Iwashita K., Juvvadi P.R., Kato M., Kato Y.,
RA Kin T., Kokubun A., Maeda H., Maeyama N., Maruyama J., Nagasaki H.,
RA Nakajima T., Oda K., Okada K., Paulsen I., Sakamoto K., Sawano T.,
RA Takahashi M., Takase K., Terabayashi Y., Wortman J.R., Yamada O.,
RA Yamagata Y., Anazawa H., Hata Y., Koide Y., Komori T., Koyama Y.,
RA Minetoki T., Suharnan S., Tanaka A., Isono K., Kuhara S., Ogasawara N.,
RA Kikuchi H.;
RT "Genome sequencing and analysis of Aspergillus oryzae.";
RL Nature 438:1157-1161(2005).
CC -!- FUNCTION: May mediate the reduction of outer membrane cytochrome b5.
CC {ECO:0000250}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 Fe(III)-[cytochrome b5] + NADH = 2 Fe(II)-[cytochrome b5] +
CC H(+) + NAD(+); Xref=Rhea:RHEA:46680, Rhea:RHEA-COMP:10438, Rhea:RHEA-
CC COMP:10439, ChEBI:CHEBI:15378, ChEBI:CHEBI:29033, ChEBI:CHEBI:29034,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:57945; EC=1.6.2.2;
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692; Evidence={ECO:0000250};
CC -!- SUBCELLULAR LOCATION: Mitochondrion outer membrane {ECO:0000250};
CC Single-pass membrane protein {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the flavoprotein pyridine nucleotide cytochrome
CC reductase family. {ECO:0000305}.
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DR EMBL; AP007155; BAE57997.1; -; Genomic_DNA.
DR RefSeq; XP_001819999.1; XM_001819947.2.
DR AlphaFoldDB; Q2UKB8; -.
DR SMR; Q2UKB8; -.
DR STRING; 510516.Q2UKB8; -.
DR EnsemblFungi; BAE57997; BAE57997; AO090003000873.
DR GeneID; 5991982; -.
DR KEGG; aor:AO090003000873; -.
DR VEuPathDB; FungiDB:AO090003000873; -.
DR HOGENOM; CLU_003827_9_1_1; -.
DR OMA; NKHDHIA; -.
DR Proteomes; UP000006564; Chromosome 2.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0005741; C:mitochondrial outer membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0004128; F:cytochrome-b5 reductase activity, acting on NAD(P)H; IEA:UniProtKB-EC.
DR Gene3D; 3.40.50.80; -; 1.
DR InterPro; IPR001834; CBR-like.
DR InterPro; IPR008333; Cbr1-like_FAD-bd_dom.
DR InterPro; IPR017927; FAD-bd_FR_type.
DR InterPro; IPR001709; Flavoprot_Pyr_Nucl_cyt_Rdtase.
DR InterPro; IPR039261; FNR_nucleotide-bd.
DR InterPro; IPR001433; OxRdtase_FAD/NAD-bd.
DR InterPro; IPR017938; Riboflavin_synthase-like_b-brl.
DR PANTHER; PTHR19370; PTHR19370; 1.
DR Pfam; PF00970; FAD_binding_6; 1.
DR Pfam; PF00175; NAD_binding_1; 1.
DR PRINTS; PR00371; FPNCR.
DR SUPFAM; SSF52343; SSF52343; 1.
DR SUPFAM; SSF63380; SSF63380; 1.
DR PROSITE; PS51384; FAD_FR; 1.
PE 3: Inferred from homology;
KW FAD; Flavoprotein; Membrane; Mitochondrion; Mitochondrion outer membrane;
KW NAD; Oxidoreductase; Reference proteome; Transmembrane;
KW Transmembrane helix.
FT CHAIN 1..323
FT /note="NADH-cytochrome b5 reductase 2"
FT /id="PRO_0000330173"
FT TRANSMEM 30..46
FT /note="Helical"
FT /evidence="ECO:0000255"
FT DOMAIN 72..177
FT /note="FAD-binding FR-type"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00716"
FT BINDING 180..215
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000250"
SQ SEQUENCE 323 AA; 36322 MW; 35E61ADC5100DB2C CRC64;
MFARQTFRCA QPLRQSFRKY STEAPKAKSL APIYTAVGLT GLSVGLYRYY YGAGATAEAP
VERAKVFTGG DQGWVDLKLS EIEVLSHNTK RLRFEFEDKE AVSGVTIASA LLTKFKPVGA
EKAVLRPYTP TSDEDQPGYL DLVVKVYPNG PMSEHLHSMN VDQRLSFKGP LPKYQWETNK
HEHIALIAGG TGITPMYQLI RQIFKNPDDK TKVTLVYGNV TEDDILLKKE LQDLENTYPQ
RFKAFYLLDK PPKEWTGGKG YINKELLKTV LPEPKEENQK IFVCGPPGLY NAVSGNKVSP
KDQGELSGIL KELGYNKDQV YKF
