>1qx4_A mol:protein length:274 NADH-cytochrome b5 reductase MHHHHMITLENPDIKYPLRLIDKEILSHDTRRFRFALPSPQHILGLPIGQHIYLSTRID GNLVIRPYTPVSSDDDKGFVDLVVKVYFKETHPKFPAGGKMPQYLENMNIGDTIEFRGP NGLLVYQGKGKFAIRADKKSNPVVRTVKSVGMIAGGTGITPMLQVIRAVLKDPNDHTVC YLLFANQSEKDILLRPELEELRNEHSSRFKLWYTVDKAPDAWDYSQGFVNEEMIRDHLP PPGEETLILMCGPPPMIQFACLPNLERVGHPKERCFTF