CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 82.1940 40.8730 40.6540 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > fqm0hWVl8BA5H900DMtAEw > 2025-07-06 10:00:58 > 0.9.12 > ligand > pdb-bcif > 1xrx > atom_site > {"label_asym_id":"E","auth_seq_id":501} > 44 > 31 > 6 > 473 > 0 > 1 $$$$