>2QJB_1|Chains A, B|Bone morphogenetic protein 2|Homo sapiens (9606) MAQAKHKQRKRLKSSCKRHPLYVDFSDVGWNDWIVAPPGYHAFYCHGECPFPLADHLNSTNHAIVQTLVNSVNSKIPKACCVPTELSAISMLYLDENEKVVLKNYQDMVVEGCGCR >2QJB_2|Chains C, D|Bone morphogenetic protein receptor type IA|Homo sapiens (9606) GSGAMAQNLDSMLHGTGMKSDSDQKKSENGVTLAPEDTLPFLKCYCSHHCPEDAINNTCITNGHCFTMIEEDDQGETTLTSGCLGLEGSDFQCRDTPIPHQRRSIECCRTNLCNQYLQPTLPPVVIGPFFDGSIR