CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 9.5030 41.7530 127.8110 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > bzM2OsCi5aKZA45lcoZQsQ > 2025-07-13 15:56:32 > 0.9.12 > ligand > pdb-bcif > 1xk4 > atom_site > {"label_asym_id":"FA","auth_seq_id":4512} > 0 > 53 > 54 > 1213 > 0 > 1 $$$$