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Figure 2.
Fig. 2. Ribbon plot (drawn with MOLSCRIPT, see ref. [60])
of the structure of a catalytic fragment of p120GAP. It shows
the position of the invariant and highly conserved residues as
black and gray dots, respectively. The invariant arginines, one
or both of which are believed to participate in the GTPase
reaction, are shown as ball and stick models.
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