CYBRD1 GI:188497708 cytochrome b reductase 1 isoform 2 1 mamegywrfl allgsallvg flsvifalvw vlhyreglgw dgsalefnwh 50 51 pvlmvtgfvf iqgiasfrff slsasmgsaf spsishahtc lfwnchlwns 100 101 dcnstygidr etdffpersc iqyiparrcf rkyawpsdpg vrgphfldsh 150 151 qtamets