CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 17.0870 9.8350 6.5700 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > X51hMvZ5Dzgp3Y4ynBeJ9Q > 2025-07-09 07:35:00 > 0.9.12 > ligand > pdb-bcif > 2rex > atom_site > {"label_asym_id":"CA","auth_seq_id":551} > 63 > 13 > 6 > 268 > 0 > 1 $$$$