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Figure 4.
The cAMP induced conformational changes of CAP. The side view
of CAP is shown. Structure of the unliganded CAP (Left) and of
the liganded CAP (Right). A superposition of these two
structures along their C-helices is shown in the middle of the
figure. The unliganded structure is solid, whereas the liganded
structure is transparent. To emphasize the conformational
changes on cAMP binding, only the C-, D-, and F-helices are
shown.
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