ZN ModelServer 0.9.9 1 0 0 0 0 0 0 0 0 0 0 -0.7530 35.1100 11.8420 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > 5Vuzpu9kKsYCdrTr9cVXhw > 2023-04-02 13:03:23 > 0.9.9 > ligand > pdb-bcif > 4k1r > atom_site > {"label_asym_id":"O","auth_seq_id":501} > 8 > 63 > 14 > 240 > 0 > 1 $$$$