CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 14.2430 -11.8320 -31.9860 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > MGCW2IgvN8I1OajiiLYrJw > 2025-07-05 22:59:16 > 0.9.12 > ligand > pdb-bcif > 6u3b > atom_site > {"label_asym_id":"E","auth_seq_id":503} > 13 > 13 > 3 > 300 > 0 > 1 $$$$