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. 2009 Dec 6;38(4):1149–1162. doi: 10.1093/nar/gkp1131

Figure 5.

Figure 5.

WRN stimulates pol δ progression through specific FRA16D sequence motifs. (A) Regions 2A, 3A and 4A were synthesized using pol δ + PCNA alone (−) or in combination with WRN (+). All reactions contained 100 fmol template DNA, 2 pmol pol δ and 1 µg PCNA. WRN (100 fmol) was supplemented as indicated. Reactions proceeded for 2, 10 and 30 min. Dashed lines: boundary of CFS insert. (B) Experimental testing for the presence of triplex DNA forming within the poly(dT) tract in regions 3B and 4B. Reactions as described in part A were repeated, except that deaza-dATP was substituted for dATP. Location of microsatelite DNA is indicated.