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Figure 2.
Figure 2. Cα Superposition of the AlkA Azaribose LRC
Structure onto an AlkA/DNA Subunit from the AlkA HGC
The
rmsd of the LRC (the protein is colored cyan as in Figure 1B;
DNA colored white) onto the HGC subunit (colored as in Figure
1C) is 0.37 Å. The crimson dot denotes the position of the
phosphate that hydrogen bonds with the protein backbone at
positions 249 and 251 (yellow loop); this phosphate is the only
element of the otherwise naked central portion of the DNA that
is contacted by the protein. The major sites of protein:DNA
interaction are colored as in Figure 1C.
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