CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 72.7660 -10.5620 -23.5750 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > lUZsOuAorT5UTtpJ0nj4WQ > 2025-07-14 23:38:04 > 0.9.12 > ligand > pdb-bcif > 4ar2 > atom_site > {"label_asym_id":"C","auth_seq_id":999} > 45 > 6 > 6 > 308 > 0 > 1 $$$$