https://www.ncbi.nlm.nih.gov/Structure/pdb/2O1Q
2O1Q: CRYSTAL STRUCTURE OF A PUTATIVE ACETYLACETONE DIOXYGENASE (MPE_A3659) FROM METHYLIBIUM...
putative acetyl/propionyl-CoA carboxylase, alpha subunitACETATE IONCHLORIDE IONTETRAETHYLENE GLYCOLZINC ION
crystal structure