CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 16.9460 40.2430 158.5840 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > Wl9GY4XB4Bb8ETCTMsRu0A > 2025-07-03 13:31:24 > 0.9.12 > ligand > pdb-bcif > 1xk4 > atom_site > {"label_asym_id":"P","auth_seq_id":2501} > 15 > 20 > 16 > 231 > 0 > 1 $$$$