CO ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 28.9800 18.6000 -4.2750 CO 0 2 0 0 0 0 0 0 0 0 0 0 M END > Hz2Dha6pLgbQwVrpsIXG3g > 2025-07-16 07:21:29 > 0.9.12 > ligand > pdb-bcif > 3a3x > atom_site > {"label_asym_id":"C","auth_seq_id":801} > 57 > 10 > 5 > 544 > 0 > 1 $$$$