Words similar to single-strand

Example sentences for: single-strand

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E. coli topoisomerase I can catalyze catenation of double-stranded DNA circles if the molecules contain single-strand scissions [ 15 16 ] . To test if the Top67 can carry out double-stranded DNA passage at enzyme cleavage sites across from the DNA nicks, the yield of DNA catenanes were compared with that obtained with topoisomerase I. In contrast to the relaxation activity, the catenating activity of Top67 shown in figure 6was as efficient as that of full-length topoisomerase I, and the addition of the ZD domain had no effect (Figure 6a).
We propose that the ZD domain interacts with the passing single-strand of DNA in the relaxation of negatively supercoiled DNA by this enzyme.
Several lines of evidence, including genetic analyses, and similarities in biochemistry and quaternary structures, suggest that the E. coli RecT and phage λ Redβ proteins are functionally equivalent as mediators of single-strand exchange in DNA recombination [ 10 12 ] . However, no sequence similarity has been detected between these proteins leaving their actual evolutionary relationships unresolved.
In the fourth reaction, neither primer was present during RT single-strand synthesis (control for genomic contamination).
An NMR structural analysis of the HRD domain of Sgs1p and models for the WRN and BLM domains suggests that this region is a single-strand nucleic acid binding domain that functions as an accessory DNA binding region with the helicase domain [ 41].