ZN ModelServer 0.9.9 1 0 0 0 0 0 0 0 0 0 0 20.9850 64.0640 93.1860 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > ExBdXq1WFcvbqGGVMcBccw > 2023-09-27 08:50:02 > 0.9.9 > ligand > pdb-bcif > 4k7d > atom_site > {"label_asym_id":"CA","auth_seq_id":508} > 4 > 57 > 16 > 255 > 0 > 1 $$$$