 | Acta Crystallographica Section D Acta Crystallographica Section D BIOLOGICAL CRYSTALLOGRAPHY |
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![[Figure 1]](ba5127fig1mag.jpg)
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Figure 1
Structural overview of the complete 12-subunit RNA polymerase II elongation complex (Kettenberger et al., 2004  ). Two views are shown of a ribbon model of the protein subunits and nucleic acids, a side view (a) and a top view (b), related by a 90° rotation around a horizontal axis. The polymerase subunits Rpb1–Rpb12 are coloured according to the key shown below. Template DNA, nontemplate DNA and product RNA are shown in blue, cyan and red, respectively. P atoms are indicated as spheres and extrapolated B-form downstream DNA is coloured light pink. Eight zinc ions and the active-site magnesium ion are depicted as cyan spheres and a magenta sphere, respectively. This colour code is used throughout. Secondary-structure assignments for Pol II are according to Cramer et al. (2001) and Armache et al. (2005). This figure was adapted from Kettenberger et al. (2004) with modifications. |
![[Figure 1]](ba5127fig1.jpg)
| BIOLOGICAL CRYSTALLOGRAPHY |
ISSN: 1399-0047
