U1 ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 18.1310 -4.4790 17.1180 U 0 0 0 0 0 0 0 0 0 0 0 0 M END > QqSjwDZHE-W0mQpmFLBndw > 2025-07-12 01:58:09 > 0.9.12 > ligand > pdb-bcif > 1b4h > atom_site > {"label_asym_id":"E","auth_seq_id":903} > 20 > 16 > 27 > 345 > 0 > 1 $$$$