Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/2AUU 2AUU: Inorganic pyrophosphatase complexed with magnesium pyrophosphate and fluoride inorganic pyrophosphataseCHLORIDE IONFLUORIDE IONMAGNESIUM IONPYROPHOSPHATE 2-SODIUM ION inorganic magnesium fluoride