FE ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 28.5620 74.7100 21.7710 FE 0 1 0 0 0 0 0 0 0 0 0 0 M END > GvLkYM4ABRAo2vEz63QXZg > 2025-07-16 08:59:51 > 0.9.12 > ligand > pdb-bcif > 1k6n > atom_site > {"label_asym_id":"I","auth_seq_id":500} > 12 > 14 > 31 > 638 > 0 > 1 $$$$