CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -17.9450 44.5340 46.5740 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > B50ObwoDXLsd4TOIuHvWOQ > 2025-07-09 18:50:42 > 0.9.12 > ligand > pdb-bcif > 3tkk > atom_site > {"label_asym_id":"M","auth_seq_id":308} > 30 > 12 > 11 > 337 > 0 > 1 $$$$