UNX ModelServer 0.9.9 1 0 0 0 0 0 0 0 0 0 0 65.9320 30.5900 18.4940 X 0 0 0 0 0 0 0 0 0 0 0 0 M END > QKtIJBTCy6pPtrcAJayNRQ > 2023-03-22 04:28:07 > 0.9.9 > ligand > pdb-bcif > 2a4k > atom_site > {"label_asym_id":"X","auth_seq_id":270} > 8 > 51 > 8 > 204 > 0 > 1 $$$$