>1MHD_1|Chain A[auth C]|DNA| CAGTCTAGACATA >1MHD_2|Chain B[auth D]|DNA| TATGTCTAGACTGA >1MHD_3|Chains C[auth A], D[auth B]|SMAD3|Homo sapiens (9606) MSSILPFTPPIVKRLLGWKKGEQNGQEEKWCEKAVKSLVKKLKKTGQLDELEKAITTQNVNTKCITIPRSLDGRLQVSHRKGLPHVIYCRLWRWPDLHSHHELRAMELCEFAFNMKKDEVCVNPYHYQRVET