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 > uzT9zFs2VyR7xpiST8Ku3A > 2025-04-26 19:20:12 > 0.9.12 > ligand > pdb-bcif > 4knu > atom_site > {"label_asym_id":"S","auth_seq_id":402} > 81 > 21 > 24 > 321 > 0 > 1 $$$$