NDUFB4, Official Symbol NDUFB4provided by HGNC Official Full Name NADH:ubiquinone oxidoreductase subunit B4provided by HGNC Primary source HGNC:HGNC:7699 See related Ensembl:ENSG00000065518 MIM:603840; AllianceGenome:HGNC:7699 Gene type protein coding RefSeq status REVIEWED Organism Homo sapiens Lineage Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo Also known as B15; CI-B15 Summary This gene encodes a non-catalytic subunit of the multisubunit NADH:ubiquinone oxidoreductase, the first enzyme complex in the mitochondrial electron transport chain (complex I). Mammalian complex I is composed of 45 different subunits and transfers electrons from NADH to ubiquinone. [provided by RefSeq, Dec 2009] Expression Ubiquitous expression in adrenal (RPKM 52.4), heart (RPKM 52.2) and 25 other tissues See more Orthologs mouse all