CO ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 23.1520 25.3130 8.9600 CO 0 2 0 0 0 0 0 0 0 0 0 0 M END > XtJ2X-H-72c2orkra-ZP_A > 2025-07-02 06:32:11 > 0.9.12 > ligand > pdb-bcif > 4iu6 > atom_site > {"label_asym_id":"C","auth_seq_id":402} > 54 > 8 > 4 > 262 > 0 > 1 $$$$