CU ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 126.2950 119.7790 169.0130 CU 0 2 0 0 0 0 0 0 0 0 0 0 M END > w42Cjkm9oO39qS66vdHnLg > 2025-07-07 05:02:54 > 0.9.12 > ligand > pdb-bcif > 8sr4 > atom_site > {"label_asym_id":"K","auth_seq_id":502} > 28 > 11 > 23 > 320 > 0 > 1 $$$$