MG ModelServer 0.9.11 1 0 0 0 0 0 0 0 0 0 0 -141.7970 22.2780 4.4160 MG 0 2 0 0 0 0 0 0 0 0 0 0 M END > lfKsIX_72ooFh4lMreGNDw > 2024-05-30 03:49:54 > 0.9.11 > ligand > pdb-bcif > 4u20 > atom_site > {"label_asym_id":"SE","auth_seq_id":1644} > 33 > 69 > 453 > 256 > 0 > 1 $$$$