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. 2012 Dec 14;7(12):e51179. doi: 10.1371/journal.pone.0051179

Figure 5. Amino acid mutations in OM3.

Figure 5

The main carbonyl of F69 interacts with the amine group of R123. The guanidium group of R82 has the electrostatic interaction with the phosphate group of cAMP. V139 is in the hinge region that participates in the inter-domain interaction between N-terminal cAMP binding domain and the C-terminal DNA binding domain. The structural stereoview was prepared by PyMOL using native CRP structure as template (PDB: 1G6N).