SMAD3 GI:223029440 mothers against decapentaplegic homolog 3 isoform 2 1 melcefafnm kkdevcvnpy hyqrvetpvl ppvlvprhte ipaefppldd 50 51 yshsipentn fpagiepqsn ipetpppgyl sedgetsdhq mnhsmdagsp 100 101 nlspnpmspa hnnldlqpvt ycepafwcsi syyelnqrvg etfhasqpsm 150 151 tvdgftdpsn serfclglls nvnrnaavel trrhigrgvr lyyiggevfa 200 201 eclsdsaifv qspncnqryg whpatvckip pgcnlkifnn qefaallaqs 250 251 vnqgfeavyq ltrmctirms fvkgwgaeyr rqtvtstpcw ielhlngplq 300 301 wldkvltqmg spsircssvs