CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 90.5340 40.6780 27.6260 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > Xm_sQpxMpAgpBMvfX-sIQQ > 2025-07-15 04:37:52 > 0.9.12 > ligand > pdb-bcif > 4ik9 > atom_site > {"label_asym_id":"D","auth_seq_id":503} > 8 > 7 > 10 > 252 > 0 > 1 $$$$