CU ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 19.7660 24.5270 50.6770 CU 0 2 0 0 0 0 0 0 0 0 0 0 M END > Cs6NEGC2mNGAkvOfv3e_ng > 2025-07-13 12:20:13 > 0.9.12 > ligand > pdb-bcif > 4knu > atom_site > {"label_asym_id":"U","auth_seq_id":402} > 14 > 11 > 23 > 335 > 0 > 1 $$$$