ZN ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 3.9750 67.1960 44.5970 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > BQvHtRJJaNp807OFsybCvA > 2025-07-15 08:17:48 > 0.9.12 > ligand > pdb-bcif > 4k7d > atom_site > {"label_asym_id":"Z","auth_seq_id":505} > 9 > 18 > 8 > 261 > 0 > 1 $$$$