TMEM91 GI:149588540 transmembrane protein 91 isoform e 1 mdspslrelq qpllegtece tpaqkpgrhe lgsplreiaf aeslrglqfl 50 51 spplpsvsag lgeprppdve dmsssdsdsd wdggsrlspf lphdhlglav 100 101 fsmlccfwpv giaafclaqk psl