U1 ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 18.1850 -4.2930 17.1680 U 0 0 0 0 0 0 0 0 0 0 0 0 M END > -i8QJ7pI4FZmualM2dA0Xg > 2025-07-15 22:47:26 > 0.9.12 > ligand > pdb-bcif > 1b3h > atom_site > {"label_asym_id":"E","auth_seq_id":520} > 93 > 8 > 19 > 317 > 0 > 1 $$$$