CYB5A GI:41281768 cytochrome b-5 isoform 1 1 maeqsdeavk yytleeiqkh nhskstwlil hhkvydltkf leehpggeev 50 51 lreqaggdat enfedvghst daremsktfi igelhpddrp klnkppetli 100 101 ttidssssww tnwvipaisa vavalmyrly maed