ZN ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -8.0710 13.7210 42.5730 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > Lskl-USTC_os-fW-TzkQqA > 2025-07-12 21:12:25 > 0.9.12 > ligand > pdb-bcif > 1kb4 > atom_site > {"label_asym_id":"F","auth_seq_id":151} > 6 > 15 > 2 > 261 > 0 > 1 $$$$