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. 2009 Mar 24;9:17. doi: 10.1186/1472-6807-9-17

Figure 6.

Figure 6

Chemical shift mapping of PrsA-PPIase during Suc-AXPF-pNA titrations. Chemical shift perturbations induced to the backbone amide signals of S. aureus PrsA-PPIase upon Suc-AXPF-pNA (X = A, K or E) peptide titration. Position of the secondary structure elements in the sequence is shown at the top of the graph: green arrow – β-strand, red bar – α-helix. Structure insert shows the location of residues which evinced the largest chemical shift perturbations in the Suc-AEPF-pNA titration (red – Δδ > 0.03 ppm).