ZN ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -0.7530 35.1100 11.8420 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > asm6TnFhOsDJ7-d7fzIXFw > 2025-07-14 03:56:56 > 0.9.12 > ligand > pdb-bcif > 4k1r > atom_site > {"label_asym_id":"O","auth_seq_id":501} > 16 > 10 > 10 > 385 > 0 > 1 $$$$