ZN ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -13.8530 41.1920 9.6410 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > iiQ66Qqm24HUkefF76Xp4g > 2025-07-12 15:07:17 > 0.9.12 > ligand > pdb-bcif > 4fec > atom_site > {"label_asym_id":"I","auth_seq_id":501} > 29 > 29 > 12 > 337 > 0 > 1 $$$$