CU ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 23.7600 52.9520 55.2280 CU 0 2 0 0 0 0 0 0 0 0 0 0 M END > RtSSYqdw-md-eDk7o8dQUA > 2025-07-04 07:19:37 > 0.9.12 > ligand > pdb-bcif > 4knu > atom_site > {"label_asym_id":"S","auth_seq_id":402} > 11 > 17 > 23 > 233 > 0 > 1 $$$$