K ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 8.7250 -2.8820 60.8460 K 0 3 0 0 0 0 0 0 0 0 0 0 M END > K5PPS2uLq2i-tfOQTB-0YQ > 2025-07-04 07:36:16 > 0.9.12 > ligand > pdb-bcif > 4xg1 > atom_site > {"label_asym_id":"O","auth_seq_id":503} > 56 > 11 > 13 > 309 > 0 > 1 $$$$