>6MAC_3|Chain C[auth K]|TGF-beta receptor type-1|Homo sapiens (9606)
ALQCFCHLCTKDNFTCVTDGLCFVSVTETTDKVIHNSMCIAEIDLIPRDRPFVCAPSSKTGSVTTTYCCNQDHCNKIELP
>6MAC_1|Chain A|Growth/differentiation factor 11|Homo sapiens (9606)
LGLDCDEHSSESRCCRYPLTVDFEAFGWDWIIAPKRYKANYCSGQCEYMFMQKYPHTHLVQQANPRGSAGPCCTPTKMSPINMLYFNDKQQIIYGKIPGMVVDRCGCS
>6MAC_2|Chain B[auth C]|Activin receptor type-2B|Rattus norvegicus (10116)
TRECIYYNANWELERTNQSGLERCEGEQDKRLHCYASWRNSSGTIELVKKGCWLDDFNCYDRQECVATEENPQVYFCCCEGNFCNERFTHLPEPG