ID G4UAN3_NEUT9 Unreviewed; 493 AA.
AC G4UAN3;
DT 14-DEC-2011, integrated into UniProtKB/TrEMBL.
DT 14-DEC-2011, sequence version 1.
DT 27-MAR-2024, entry version 64.
DE RecName: Full=NADH-cytochrome b5 reductase 1 {ECO:0000256|ARBA:ARBA00039438};
DE EC=1.6.2.2 {ECO:0000256|ARBA:ARBA00012011};
DE AltName: Full=Microsomal cytochrome b reductase {ECO:0000256|ARBA:ARBA00041901};
GN ORFNames=NEUTE2DRAFT_48899 {ECO:0000313|EMBL:EGZ78680.1};
OS Neurospora tetrasperma (strain FGSC 2509 / P0656).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Sordariomycetes;
OC Sordariomycetidae; Sordariales; Sordariaceae; Neurospora.
OX NCBI_TaxID=510952 {ECO:0000313|EMBL:EGZ78680.1, ECO:0000313|Proteomes:UP000008513};
RN [1] {ECO:0000313|EMBL:EGZ78680.1, ECO:0000313|Proteomes:UP000008513}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=strain FGSC 2509 / P0656 {ECO:0000313|Proteomes:UP000008513};
RX PubMed=21750257; DOI=10.1534/genetics.111.130690;
RA Ellison C.E., Stajich J.E., Jacobson D.J., Natvig D.O., Lapidus A.,
RA Foster B., Aerts A., Riley R., Lindquist E.A., Grigoriev I.V., Taylor J.W.;
RT "Massive changes in genome architecture accompany the transition to self-
RT fertility in the filamentous fungus Neurospora tetrasperma.";
RL Genetics 189:55-69(2011).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 Fe(3+)-[Dph3] + NADH = 2 Fe(2+)-[Dph3] + H(+) + NAD(+);
CC Xref=Rhea:RHEA:71231, Rhea:RHEA-COMP:18002, Rhea:RHEA-COMP:18003,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:29033, ChEBI:CHEBI:29034,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, ChEBI:CHEBI:83228;
CC Evidence={ECO:0000256|ARBA:ARBA00036364};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:71232;
CC Evidence={ECO:0000256|ARBA:ARBA00036364};
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 Evidence={ECO:0000256|ARBA:ARBA00029341};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|ARBA:ARBA00001974,
CC ECO:0000256|PIRSR:PIRSR601834-1};
CC -!- PATHWAY: Protein modification; peptidyl-diphthamide biosynthesis.
CC {ECO:0000256|ARBA:ARBA00005156}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion outer membrane
CC {ECO:0000256|ARBA:ARBA00004572}; Single-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004572}.
CC -!- SIMILARITY: Belongs to the cytochrome b5 family.
CC {ECO:0000256|RuleBase:RU362121}.
CC -!- SIMILARITY: Belongs to the flavoprotein pyridine nucleotide cytochrome
CC reductase family. {ECO:0000256|ARBA:ARBA00006105}.
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DR EMBL; GL890999; EGZ78680.1; -; Genomic_DNA.
DR AlphaFoldDB; G4UAN3; -.
DR STRING; 510952.G4UAN3; -.
DR eggNOG; KOG0534; Eukaryota.
DR eggNOG; KOG0537; Eukaryota.
DR HOGENOM; CLU_003827_0_1_1; -.
DR OMA; KGAMQYS; -.
DR Proteomes; UP000008513; Unassembled WGS sequence.
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 GO; GO:0020037; F:heme binding; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-UniRule.
DR CDD; cd06183; cyt_b5_reduct_like; 1.
DR Gene3D; 3.10.120.10; Cytochrome b5-like heme/steroid binding domain; 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 InterPro; IPR001834; CBR-like.
DR InterPro; IPR008333; Cbr1-like_FAD-bd_dom.
DR InterPro; IPR001199; Cyt_B5-like_heme/steroid-bd.
DR InterPro; IPR036400; Cyt_B5-like_heme/steroid_sf.
DR InterPro; IPR018506; Cyt_B5_heme-BS.
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:SF184; FAD-BINDING FR-TYPE DOMAIN-CONTAINING PROTEIN; 1.
DR PANTHER; PTHR19370; NADH-CYTOCHROME B5 REDUCTASE; 1.
DR Pfam; PF00173; Cyt-b5; 1.
DR Pfam; PF00970; FAD_binding_6; 1.
DR Pfam; PF00175; NAD_binding_1; 1.
DR PRINTS; PR00406; CYTB5RDTASE.
DR PRINTS; PR00363; CYTOCHROMEB5.
DR PRINTS; PR00371; FPNCR.
DR SMART; SM01117; Cyt-b5; 1.
DR SUPFAM; SSF55856; Cytochrome b5-like heme/steroid binding domain; 1.
DR SUPFAM; SSF52343; Ferredoxin reductase-like, C-terminal NADP-linked domain; 1.
DR SUPFAM; SSF63380; Riboflavin synthase domain-like; 1.
DR PROSITE; PS00191; CYTOCHROME_B5_1; 1.
DR PROSITE; PS50255; CYTOCHROME_B5_2; 1.
DR PROSITE; PS51384; FAD_FR; 1.
PE 3: Inferred from homology;
KW FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|PIRSR:PIRSR601834-1};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630, ECO:0000256|PIRSR:PIRSR601834-
KW 1}; Heme {ECO:0000256|ARBA:ARBA00022617, ECO:0000256|RuleBase:RU362121};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|RuleBase:RU362121};
KW Membrane {ECO:0000256|ARBA:ARBA00023136};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|RuleBase:RU362121};
KW Mitochondrion {ECO:0000256|ARBA:ARBA00022787};
KW Mitochondrion outer membrane {ECO:0000256|ARBA:ARBA00022787};
KW NAD {ECO:0000256|ARBA:ARBA00023027};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Reference proteome {ECO:0000313|Proteomes:UP000008513}.
FT DOMAIN 2..78
FT /note="Cytochrome b5 heme-binding"
FT /evidence="ECO:0000259|PROSITE:PS50255"
FT DOMAIN 249..352
FT /note="FAD-binding FR-type"
FT /evidence="ECO:0000259|PROSITE:PS51384"
FT BINDING 301
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR601834-1"
FT BINDING 303
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR601834-1"
FT BINDING 318
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR601834-1"
FT BINDING 320
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR601834-1"
FT BINDING 327
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR601834-1"
FT BINDING 370
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR601834-1"
SQ SEQUENCE 493 AA; 54281 MW; CA1484F66354634B CRC64;
MAVTFTLDDV RKHNSKDDVW MVIHNKVYNV TTYLEDHPGG SIILREVAGT DATEQFVEIG
HSVEATDILK ELYVGDLAEE EHAEEVEIFR PTYEKVAMEA AVKVEKATVS KVRKSVRRTI
AMSSVIASVG AVGLAKGWWT GPEWALAAVT TAQKPINQLA DFIRSKFAQN GSSSKLFWWG
VGIATVVELS LATAATTWAL SKFEAQREFT HFPRSRPAKK ERKVAILKIP TNSTSGPAVK
PPVKVMDPAD WRKFKLVRKV LVSPNVYHLV FALPHPTDVL GLPTGQHVAL RALIDGKSVS
RSYTPVSNNS DLGRVELLIK VYDQGLMTKH LERMEIGDQI EMRGPKGAMQ YVPNSYAKEI
GMIAGGTGIT PMYQLIRAIC EDESDKTKIS LLYANNTEAD ILLREELDGF VKAFPEKLSV
QYVLGQADEN WTGLRGFVTA DMIKDFLPPA ADTTKMLLCG PPPMVAAMSK NLVSLGFTAP
GTLSKATDQV FLF
//
