2013
DOI: 10.1074/jbc.m112.444026
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Comparative Analysis of Interaction of Human and Yeast DNA Damage Recognition Complexes with Damaged DNA in Nucleotide Excision Repair

Abstract: Background: XPC-RAD23B and Rad4-Rad23 proteins are primary damage recognition factors in nucleotide excision repair in human and yeast cells, respectively. Results: XPC-RAD23B and Rad4-Rad23 have contacts with damaged DNA in the same positions. Conclusion: Both proteins reveal similar topography in the complex with damaged DNA in solution.Significance: This study fills the gap between biochemical results for XPC-RAD23B and x-ray data for Rad4-Rad23.

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Cited by 32 publications
(23 citation statements)
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References 36 publications
(47 reference statements)
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“…The lower band is attributed to a single XPC molecule-DNA complex and the higher one is attributed to complexes with two XPC molecules bound per DNA molecule. Similar double-molecule XPC-RAD23B -DNA complexes have been reported by other workers [10, 4042]. However, when an adduct is present, the two bands are no longer distinguishable.…”
Section: Resultssupporting
confidence: 86%
“…The lower band is attributed to a single XPC molecule-DNA complex and the higher one is attributed to complexes with two XPC molecules bound per DNA molecule. Similar double-molecule XPC-RAD23B -DNA complexes have been reported by other workers [10, 4042]. However, when an adduct is present, the two bands are no longer distinguishable.…”
Section: Resultssupporting
confidence: 86%
“…To this end, we made long DNA-damage arrays by tandemly ligating multiple linearized plasmids, each contained either one CPD or one fluorescein-modified deoxythymidine (Fl-dT) per 2,030 bp, as previously described (Ghodke et al, 2014). Rad4 binds tightly to Fl-dT (Krasikova et al, 2013), making it a model substrate with high specificity (Figure S2A). As expected, SAQD-labeled Rad4-Rad23 formed arrays of nonmotile complexes when introduced into flow cells in the presence of Fl-dT DNA tightropes (Figure 3A–B and Movie S4), with inter-particle spacing being integer-multiples of 2 kbp (Figure S3).…”
Section: Resultsmentioning
confidence: 99%
“…For this study FITC-dU containing duplexes of different lengths (15mer ODN11 and 30mer ODN10, see Table S1) were used, in which the fluorescein, needed for the detection, functions as the lesion. It is well known that Rad14 binds the fluorescein-containing base with significant affinity (see below) (45). Formation of the lesion recognition complex with FITC-dU and the full length proteins Rad14fl and XPAfl was demonstrated by a gel shift experiment (Fig.…”
Section: Analysis Of the (Rad14) 2 -Dna Complex In Solutionmentioning
confidence: 99%