>gnl|PDB|1BKF.1 strand_id:A description:FK506 BINDING PROTEIN
GVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKFDSSRDKNKPFKFMLGKQEVIRGWEEGVAQMSVGQRAKLTISPDYAYGATGVPGIIPPHATLVFDVELLKLE