CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 5.1460 17.4900 109.6580 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > dsN7407HKEcFZ37VdVnB7w > 2025-07-13 15:46:55 > 0.9.12 > ligand > pdb-bcif > 1xk4 > atom_site > {"label_asym_id":"OA","auth_seq_id":4522} > 12 > 10 > 12 > 335 > 0 > 1 $$$$