>3QSV_1|Chains A, B, C, D|Mothers against decapentaplegic homolog 4|Mus musculus (10090) TPTSNDACLSIVHSLMCHRQGGESETFAKRAIESLVKKLKEKKDELDSLITAITTNGAHPSKCVTIQRTLDGRLQVAGRKGFPHVIYARLWRWPDLHKNELKHVKYCQYAFDLKCDSVCVNPYHYERVVSPG >3QSV_2|Chains E, F, G, H|DNA (5'-D(P*TP*GP*CP*AP*GP*TP*CP*TP*AP*GP*AP*CP*TP*GP*CP*A)-3')|null TGCAGTCTAGACTGCA