Function
NADH-cytochrome b5 reductases are involved in desaturation and elongation of fatty acids, cholesterol biosynthesis, drug metabolism, and, in erythrocyte, methemoglobin reduction.
Sequence
MAETEEEEDSEAWLRLKPVEPLPSQCCGSGCSPCVFDLYYRDLERWETARARNDRSLLSGKQPPESQSCSAKLSPETFLAFHISTMEKVTKDTYLVRFTLPGNSRLGLRPGQHLILRGVVDGLEIQRAYTPISPVTAEGYFDVLIKCYRTGLMSQYVESWRTGDTAFWRGPFGSFLYEPKKYGELLMLAAGTGLAPMVPILQSITDDEDDETFVTLVGCFKTFEGIYLKTFFQEQARFWNVQTFFVLSQEVSPEQLPWSYRDKTHFGRLGQELVAELVACCRRKPFTLVCGSPAFNEDMARCLLSAGLTEDSYFLF