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Figure 4.
FIG. 4. A, schematic model of a two-dimers-to-two-dimers
TraR-TraM complex. For clarity, just the TraR DNA binding domain
(TraR DBD) is depicted. Red arrows represent the 2-fold axes of
each TraR and TraM dimer. Two views are shown. B, molecular
surface of the hypothetical TraR-TraM complex. The red filled
circles indicate the putative position of an N-terminal His tag
on TraM.
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