FE2 ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 20.6020 15.4190 24.0870 FE 0 2 0 0 0 0 0 0 0 0 0 0 M END > W8WMjvKYBaIs5Xit9fzp-g > 2025-07-10 01:22:54 > 0.9.12 > ligand > pdb-bcif > 4kez > atom_site > {"label_asym_id":"E","auth_seq_id":401} > 34 > 25 > 21 > 348 > 0 > 1 $$$$