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Figure 2.
Figure 2. Stereo view of the electron density (2.1 contour
level) at the active site of NBD of one of the AB homodimers
from the F[o]-F[c] map. The refined ATP molecule (shown in a
magenta ball-and-stick model) was omitted in the structure
factor calculation. The residues that interact with the ,
,
and phosphate
groups of ATP are also shown in a gray ball-and-stick model. The
atoms are colored as follows: oxygen (red), nitrogen (blue),
carbon (yellow), sulfate (green), and phosphorus (magenta).
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