CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 2.0550 -44.1920 37.2470 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > s4lS2jbTuoFL6nzOZwFUpg > 2025-07-12 16:03:21 > 0.9.12 > ligand > pdb-bcif > 4ko4 > atom_site > {"label_asym_id":"U","auth_seq_id":305} > 32 > 16 > 22 > 352 > 0 > 1 $$$$