>6OMN_1|Chains A[auth E], B[auth F], C[auth G], D[auth H]|Bone morphogenetic protein 2|Homo sapiens (9606) RKRLKSSCKRHPLYVDFSDVGWNDWIVAPPGYHAFYCHGECPFPLADHLNSTNHAIVQTLVNSVNSKIPKACCVPTELSAISMLYLDENEKVVLKNYQDMVVEGCGCR