UNX ModelServer 0.9.9 1 0 0 0 0 0 0 0 0 0 0 7.3750 36.8260 50.3270 X 0 0 0 0 0 0 0 0 0 0 0 0 M END > _psyD0NgYW8lbAMsX-NnHg > 2023-03-22 03:46:37 > 0.9.9 > ligand > pdb-bcif > 2a4k > atom_site > {"label_asym_id":"M","auth_seq_id":274} > 12 > 52 > 25 > 258 > 0 > 1 $$$$