>tr|A6ZYD6|A6ZYD6_YEAS7 Succinate dehydrogenase [ubiquinone] cytochrome b small subunit OS=Saccharomyces cerevisiae GN=SDH4 MMLPRSMKFMTGRRIFHTATVRAFQSTAKKSLTIPFLPVLPQKPGGVRGTPNDAYVPPPE NKLEGSYHWYMEKIFALSVVPLATTAMLTTGPLSTAADSFFSVMLLGYCYMEFNSCITDY ISERVYGVWHKYAMYMLGLGSAVSLFGIYKLETENDGVVGLVKSLWDSSEKDNSQKIEAK K