UNX ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 31.8330 41.1520 56.7410 X 0 0 0 0 0 0 0 0 0 0 0 0 M END > xwZbvKVxT8MkfSop-CwLcg > 2025-07-12 11:17:48 > 0.9.12 > ligand > pdb-bcif > 2a4k > atom_site > {"label_asym_id":"O","auth_seq_id":276} > 6 > 5 > 3 > 252 > 0 > 1 $$$$