CA ModelServer 0.9.11 1 0 0 0 0 0 0 0 0 0 0 31.2310 43.3350 185.3390 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > CXpOD8gPxn2boYwj81G9AQ > 2024-07-05 16:31:07 > 0.9.11 > ligand > pdb-bcif > 1xk4 > atom_site > {"label_asym_id":"U","auth_seq_id":4501} > 3 > 66 > 13 > 246 > 0 > 1 $$$$