ZN ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -11.9170 116.3370 24.3600 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > W8QbcvvY1bDXn2RnO4gP5g > 2025-07-09 17:54:51 > 0.9.12 > ligand > pdb-bcif > 4fec > atom_site > {"label_asym_id":"V","auth_seq_id":501} > 23 > 18 > 41 > 284 > 1 > 1 $$$$