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Figure 1.
Figure 1. Pig heart, GTP-specific SCS. In this
three-dimensional ribbon diagram, the a-subunit is white, with
light gray for the interior of the helices, and the side-chain
of the active site phosphohistidine residue is shown as a
ball-and-stick model; the b-subunit is shaded gray, as are the
two sulfate ions. The amino and carboxy termini of each subunit
are labeled N and C, respectively. This Figure and Figure 2 and
Figure 7 were drawn using the program MOLSCRIPT (Kraulis, 1991).
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