Gajadeera, C. ., Zhang, X. ., Wei, Y. ., & Tsodikov, O. . (2015). Structure of inorganic pyrophosphatase from Staphylococcus aureus reveals conformational flexibility of the active site. Journal of Structural Biology, 189(2), 81-6. https://doi.org/10.1016/j.jsb.2014.12.003