CU ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -2.2080 1.6820 46.4400 CU 0 2 0 0 0 0 0 0 0 0 0 0 M END > 5_5iqP6HAydiLDpQXyZ0EA > 2025-07-04 22:23:46 > 0.9.12 > ligand > pdb-bcif > 4nun > atom_site > {"label_asym_id":"B","auth_seq_id":300} > 46 > 18 > 8 > 567 > 0 > 1 $$$$