Levit, Mikhail, Thorsten Grebe, and Jeffry Stock. “Organization of the Receptor-Kinase Signaling Array That Regulates Escherichia Coli Chemotaxis..” J Biol Chem 277.39 (2002): 36748–54.

Chen, Yu et al. “Structural and Biochemical Insights into the Regulation of Protein Phosphatase 2A by Small T Antigen of SV40..” Nat Struct Mol Biol 14.6 (2007): 527–34.