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Figure 4.
Figure 4. Structure of the Complex(A) Schematic
representation of the structure of the complex, indicating the
contacts of residues on Impβ with those of Ran. Interactions
found in only one of the two molecules have an additional A,B
identifier on the residue number. Open circles in Impβ[N]
indicate the position of the B helices of the repeats with their
numbers in red.(B) Ribbon representation of the complex with Ran
in red, Impβ in green, superimposed with RanGDP in blue to
highlight the potential clashes in switch I and the C-terminal
end. GppNHp and Mg^2+ are shown as black ball-and-stick
models.(C) Electrostatic surface potential of Impβ and
RanGppNHp in and close to the interface (GRASP; [53]). The
180° rotation of Ran is indicated.
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