MCR1_DEBHA
ID MCR1_DEBHA Reviewed; 299 AA.
AC Q6BQ54;
DT 29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 16-AUG-2004, sequence version 1.
DT 03-AUG-2022, entry version 93.
DE RecName: Full=NADH-cytochrome b5 reductase 2;
DE EC=1.6.2.2;
DE AltName: Full=Mitochondrial cytochrome b reductase;
GN Name=MCR1; OrderedLocusNames=DEHA2E08228g;
OS Debaryomyces hansenii (strain ATCC 36239 / CBS 767 / BCRC 21394 / JCM 1990
OS / NBRC 0083 / IGC 2968) (Yeast) (Torulaspora hansenii).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes;
OC Saccharomycetales; Debaryomycetaceae; Debaryomyces.
OX NCBI_TaxID=284592;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 36239 / CBS 767 / BCRC 21394 / JCM 1990 / NBRC 0083 / IGC 2968;
RX PubMed=15229592; DOI=10.1038/nature02579;
RA Dujon B., Sherman D., Fischer G., Durrens P., Casaregola S., Lafontaine I.,
RA de Montigny J., Marck C., Neuveglise C., Talla E., Goffard N., Frangeul L.,
RA Aigle M., Anthouard V., Babour A., Barbe V., Barnay S., Blanchin S.,
RA Beckerich J.-M., Beyne E., Bleykasten C., Boisrame A., Boyer J.,
RA Cattolico L., Confanioleri F., de Daruvar A., Despons L., Fabre E.,
RA Fairhead C., Ferry-Dumazet H., Groppi A., Hantraye F., Hennequin C.,
RA Jauniaux N., Joyet P., Kachouri R., Kerrest A., Koszul R., Lemaire M.,
RA Lesur I., Ma L., Muller H., Nicaud J.-M., Nikolski M., Oztas S.,
RA Ozier-Kalogeropoulos O., Pellenz S., Potier S., Richard G.-F.,
RA Straub M.-L., Suleau A., Swennen D., Tekaia F., Wesolowski-Louvel M.,
RA Westhof E., Wirth B., Zeniou-Meyer M., Zivanovic Y., Bolotin-Fukuhara M.,
RA Thierry A., Bouchier C., Caudron B., Scarpelli C., Gaillardin C.,
RA Weissenbach J., Wincker P., Souciet J.-L.;
RT "Genome evolution in yeasts.";
RL Nature 430:35-44(2004).
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; CR382137; CAG87900.1; -; Genomic_DNA.
DR RefSeq; XP_459666.1; XM_459666.1.
DR AlphaFoldDB; Q6BQ54; -.
DR SMR; Q6BQ54; -.
DR STRING; 4959.XP_459666.1; -.
DR EnsemblFungi; CAG87900; CAG87900; DEHA2E08228g.
DR GeneID; 2901845; -.
DR KEGG; dha:DEHA2E08228g; -.
DR VEuPathDB; FungiDB:DEHA2E08228g; -.
DR eggNOG; KOG0534; Eukaryota.
DR HOGENOM; CLU_003827_9_1_1; -.
DR InParanoid; Q6BQ54; -.
DR OMA; NKHDHIA; -.
DR OrthoDB; 1311668at2759; -.
DR Proteomes; UP000000599; Chromosome E.
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..299
FT /note="NADH-cytochrome b5 reductase 2"
FT /id="PRO_0000330180"
FT TRANSMEM 13..35
FT /note="Helical"
FT /evidence="ECO:0000255"
FT DOMAIN 50..154
FT /note="FAD-binding FR-type"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00716"
FT BINDING 157..192
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000250"
SQ SEQUENCE 299 AA; 33153 MW; 048AD45D3CEFF00C CRC64;
MSFTRQLTKN LTSFKVLAPF AAAVGSVGIA YQYSTSSIMN ETGKTFTGND EWIDLKLAKS
WDTTHNTKHF VFELANQDDV SGLINASCLL TKFVTPKGNN VIRPYTPISD VDGKGSIEFV
IKKYDGGKMS SHIHDLKPND TLAFKGPVVK WKWEPNQYKS IALIGGGTGI TPLYQLMHEI
TKNPEDKTKV NLFYGNLTEK DILIKKELDT IAEKHKDQVN VVYFLDKAPE NWNGETGYIS
KEFLQSKLPG PGKDNKVFVC GPPGLYKALS GPKKSPTDQG EVEGALADLG YTKENVFKF
