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Figure 2.
Figure 2. Stereo diagrams of the regions surrounding the
active-site histidine residue. The residues are shown as
ball-and-stick models. Hydrogen-bonding interactions with the
oxygen atoms of the phosphate ion or the phosporyl group are
represented by broken lines. (a) Dephosphorylated pig heart,
GTP-specific SCS. (b) Phosphorylated pig heart, GTP-specific SCS.
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