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![[Figure 2]](qh5070fig2mag.jpg)
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Figure 2
The structure of the STF-HD–DNA complex. (a) STF-HD dimer (HDA in green and HDB in yellow) bound to a 22 bp DNA (strands colored magenta and light cyan) in the asymmetric unit. (b) Four STF-HDs are depicted (HDA′ in blue and HDB′ in wheat) bound on the DNA. HDA and HDA′ and HDB and HDB′ are crystallographic symmetry mates. A second DNA molecule in the crystal packing is shown (DNAsym; light pink and teal) forming a pseudo-continuous helix. (c) Superimpositions of the structures of HDA, HDB and WUS-HD (PDB entry 6ryd). (d) The electropotential surface of the STF-HD tetramer is shown. The bound dsDNA is shown as cartoons colored as in (b). Note that nearly the entire DNA surface is clamped by the protein. |
![[Figure 2]](qh5070fig2.jpg)
 | STRUCTURAL BIOLOGY |
ISSN: 2059-7983
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