CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -26.6740 -0.5000 53.3310 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > mIIdDYtXn0dcAFjIoQhQAQ > 2025-07-13 18:33:16 > 0.9.12 > ligand > pdb-bcif > 4p99 > atom_site > {"label_asym_id":"RA","auth_seq_id":505} > 28 > 12 > 15 > 262 > 2 > 1 $$$$