MG ModelServer 0.9.11 1 0 0 0 0 0 0 0 0 0 0 -43.4800 198.5910 148.8760 MG 0 2 0 0 0 0 0 0 0 0 0 0 M END > j1x4iKrjowc0gl89IzgA5w > 2024-06-08 01:07:51 > 0.9.11 > ligand > pdb-bcif > 4u20 > atom_site > {"label_asym_id":"US","auth_seq_id":3081} > 40 > 88 > 498 > 260 > 0 > 1 $$$$