MG ModelServer 0.9.9 1 0 0 0 0 0 0 0 0 0 0 31.6490 91.9860 49.4670 MG 0 2 0 0 0 0 0 0 0 0 0 0 M END > QdnfUO9tFqDTo5ck6wN-Vg > 2023-03-30 21:28:52 > 0.9.9 > ligand > pdb-bcif > 3d19 > atom_site > {"label_asym_id":"K","auth_seq_id":301} > 3 > 53 > 47 > 309 > 0 > 1 $$$$