CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 31.4660 5.9790 60.8300 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > CPMHWKnk3F4K8LTDsERadQ > 2025-07-12 22:10:06 > 0.9.12 > ligand > pdb-bcif > 1pex > atom_site > {"label_asym_id":"E","auth_seq_id":503} > 5 > 5 > 6 > 253 > 0 > 1 $$$$