ZN ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 118.8870 96.5180 66.5380 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > PE_b1MLt52hX_XwWojs9pw > 2025-07-18 19:30:31 > 0.9.12 > ligand > pdb-bcif > 1r4n > atom_site > {"label_asym_id":"S","auth_seq_id":4} > 18 > 12 > 36 > 331 > 0 > 1 $$$$