Gene Information
Gene NameCYB5R3
OrganismHomo sapiens (Human)
Gene Length301
Protein NamesNADH-cytochrome b5 reductase 3 (B5R) (Cytochrome b5 reductase) (EC 1.6.2.2) (Diaphorase-1)
Target Namenadh-cytochrome b5 reductase 3
Target TypeNA
Gene Age1292 ( ENSG00000100243 )
Evolutionary StageEuk+Bac
AlphaFoldDBP00387
Gene CardCYB5R3
Uniprot IDP00387
PfamPF00970; PF00175
In ASDno
Allosteric Predictionyes (0.340855645)
Ortholog in AnimalsAlpaca_ CYB5R3 ( ortholog_one2one )
Dog_ CYB5R3 ( ortholog_one2one )
GuineaPig_ CYB5R3 ( ortholog_one2one )
Macaque_ CYB5R3 ( ortholog_one2one )
Mouse_ Cyb5r3 ( ortholog_one2one )
Pig_ CYB5R3 ( ortholog_one2one )
Rat_ Cyb5r3 ( ortholog_one2one )
Rabbit_ CYB5R3 ( ortholog_one2one )
OhnologsCYB5R1, CYB5R2
ParalogsCYB5RL, CYB5R1, CYB5R4, OXNAD1, CYB5R2
TissueNA
Tissue Specificity[Isoform 2]: Expressed at late stages of erythroid maturation. {ECO:0000269|PubMed:9639531}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 1UMK  (X-ray  1.75A 
DBSNP rs121965007  rs1130706  rs121965013  rs121965009  rs1800457  rs121965006  rs121965008  rs201232518  rs121965011  rs121965015  rs121965017  rs794728012  rs121965016  rs121965012 
Subcellular location [CC][Isoform 1]: Endoplasmic reticulum membrane {ECO:0000269|PubMed:9639531};
Lipid-anchor {ECO:0000250|UniProtKB:P20070};
Cytoplasmic side {ECO:0000250|UniProtKB:P20070}. Mitochondrion outer membrane {ECO:0000305|PubMed:9639531};
Lipid-anchor {ECO:0000250|UniProtKB:P20070};
Cytoplasmic side {ECO:0000250|UniProtKB:P20070}.;
[Isoform 2]: Cytoplasm {ECO:0000269|PubMed:9639531}.
Mouse PG classificationNA
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