CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 44.9980 -42.9090 -55.1470 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > ftuQ-pc7ivG9j6n0aHuybg > 2025-07-12 17:12:35 > 0.9.12 > ligand > pdb-bcif > 1kk8 > atom_site > {"label_asym_id":"I","auth_seq_id":999} > 8 > 7 > 8 > 259 > 0 > 1 $$$$