CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 28.2930 -22.7160 -31.0600 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > P4KEK3s1ZltTtr76U5zyzw > 2025-07-04 21:14:40 > 0.9.12 > ligand > pdb-bcif > 4n88 > atom_site > {"label_asym_id":"I","auth_seq_id":501} > 9 > 6 > 7 > 216 > 0 > 1 $$$$