ZN ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 49.2660 74.5900 124.1540 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > 3cStneFV37gcKYHYnYL8oQ > 2025-07-05 21:46:29 > 0.9.12 > ligand > pdb-bcif > 4k7d > atom_site > {"label_asym_id":"I","auth_seq_id":506} > 8 > 16 > 7 > 253 > 0 > 1 $$$$