CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 5.1510 -3.9260 121.1680 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > siI7jbh_8kV3-YCRlFJMeg > 2025-07-01 14:21:41 > 0.9.12 > ligand > pdb-bcif > 1xk4 > atom_site > {"label_asym_id":"HA","auth_seq_id":1522} > 9 > 8 > 11 > 270 > 0 > 1 $$$$