IOD ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 44.3730 -22.0270 -49.4510 I 0 5 0 0 0 0 0 0 0 0 0 0 M END > BhNW9qW0JAK0q8SzXFQxiA > 2025-07-09 08:33:58 > 0.9.12 > ligand > pdb-bcif > 4k1c > atom_site > {"label_asym_id":"U","auth_seq_id":519} > 52 > 7 > 19 > 234 > 0 > 1 $$$$