>1BL4_1|Chains A, B|PROTEIN (FK506 BINDING PROTEIN)|Homo sapiens (9606) GVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKVDSSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQRAKLTISPDYAYGATGHPGIIPPHATLVFDVELLKLE