ZN ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 18.5440 -13.3510 -3.5480 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > uTzNV8uWJwUG7UiSlqufcA > 2025-07-13 10:42:42 > 0.9.12 > ligand > pdb-bcif > 4k1r > atom_site > {"label_asym_id":"G","auth_seq_id":503} > 8 > 8 > 15 > 324 > 0 > 1 $$$$