CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 42.7160 51.6490 34.5380 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > BlVJ1xM0B84LhDWCQaYJGw > 2025-07-13 05:16:54 > 0.9.12 > ligand > pdb-bcif > 1usn > atom_site > {"label_asym_id":"F","auth_seq_id":261} > 7 > 8 > 3 > 552 > 0 > 1 $$$$