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Figure 3.
Fig. 3. Substrate-binding sites of pyridoxal kinase. a,
stereoview of the interactions between ATP and residues of
enzyme in the complex. The bound ATP molecule is shown as a
ball-and-stick model; Zn2+ and K+ are shown as spheres. b, the
pyridoxal-binding site is shown as a transparent electrostatic
surface. Positive regions are blue, and negative regions are
red; the modeled pyridoxal and related residues are shown as
sticks. The positions of the pyridine ring of pyridoxal are
labeled.
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