CA ModelServer 0.9.6 1 0 0 0 0 0 0 0 0 0 0 52.1930 61.4000 -74.4830 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > JsKdw5TCmiRBLyjChWBUwp > 2021-04-18 09:32:18 > 0.9.6 > ligand > pdb-bcif > 5kj7 > atom_site > {"label_asym_id":"CA","auth_seq_id":503} > 13 > 38 > 21 > 189 > 0 > 1 $$$$