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Figure 4.
Figure 4. S-adenosylhomocysteine-binding site in CheR. (a)
A stereo diagram (MOLSCRIPT; [57]) of the AdoHcy-binding site.
Only sidechain atoms are included in the figure except for the
residues that form hydrogen bonds with AdoHcy through mainchain
atoms. Hydrogen bonds are represented by dashed lines. (b) A
schematic view of the contacts identified in the crystal
structure of the CheR-AdoHcy complex. Hydrogen bonds are drawn
with dashed lines and covalent bonds are shown as solid lines
connecting the solid spheres that denote atoms. Residues within
the hydrophobic pocket that accommodates the adenine portion of
AdoHcy are represented by parallel curved lines. Sulfur atoms
are shown in green, other atom colors are the same as Figure 2.
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