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Figure 6.
Figure 6. Comparison of Nucleotide Binding Sites in D1 and D2
(A) The nucleotide binding pockets for the D1 (dark green)
and D2 (light green) domains are superposed. Note that a helix
of the C-terminal region of D2 impinges on the sensor I region
of that domain to bring sensor I into proximity of the bound
ATP.
(B and C) The sensor I regions of D1 (B) and D2 (C)
are shown in the ADP state. Distances of the arginine finger to
the ADP β-phosphate and to the sensor I asparagine are
indicated.
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