ZN ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 29.1640 -14.0880 28.0120 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > h-rl6aCVJ0sq7OUAI0tF3Q > 2025-07-14 03:18:32 > 0.9.12 > ligand > pdb-bcif > 4k1t > atom_site > {"label_asym_id":"O","auth_seq_id":303} > 50 > 14 > 15 > 256 > 0 > 1 $$$$