CYB5B, Official Symbol CYB5Bprovided by HGNC Official Full Name cytochrome b5 type Bprovided by HGNC Primary source HGNC:HGNC:24374 See related Ensembl:ENSG00000103018 MIM:611964; AllianceGenome:HGNC:24374 Gene type protein coding RefSeq status VALIDATED Organism Homo sapiens Lineage Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo Also known as OMB5; CYB5-M; CYPB5M Summary Enables heme binding activity. Contributes to nitrite reductase (NO-forming) activity. Involved in nitric oxide biosynthetic process. Located in membrane. Part of nitric-oxide synthase complex. [provided by Alliance of Genome Resources, Apr 2022] Expression Ubiquitous expression in adrenal (RPKM 70.4), colon (RPKM 17.6) and 22 other tissues See more Orthologs mouse all