The Stability of a Model Substrate for Topoisomerase 1-Mediated DNA Religation Depends on the Presence of Mismatched Base Pairs

Topoisomerase 1 (Top1) enzymes regulate DNA superhelicity by forming covalent cleavage complexes that undergo controlled rotation. Substitution of nucleoside analogs at the +1 position of the DNA duplex relative to the Top1 cleavage site inhibits DNA religation. The reduced efficiency for Top1-medi...

Full description

Bibliographic Details
Main Authors: Gmeiner, William H., Salsbury, Freddie, Olsen, Chris M., Marky, Luis A.
Format: Online
Language:English
Published: SAGE-Hindawi Access to Research 2011
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3166759/