UNX ModelServer 0.9.9 1 0 0 0 0 0 0 0 0 0 0 45.4320 7.5210 38.3400 X 0 0 0 0 0 0 0 0 0 0 0 0 M END > B_XROUdYdn0WRxVw8bG1Zw > 2023-03-30 23:50:11 > 0.9.9 > ligand > pdb-bcif > 2a4k > atom_site > {"label_asym_id":"Y","auth_seq_id":271} > 12 > 47 > 6 > 246 > 0 > 1 $$$$