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Topoisomerase

Enzymes that change the degree of supercoiling in DNA by cutting one or both strands. Type I topoisomerases cut only one strand of DNA; type I… 
National Institutes of Health

Papers overview

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1997
1997
We have purified human topoisomerase IIα from HeLa cells and studied its ATPase reaction. The ATPase activity is stimulated by… 
1996
1996
Many antitumor agents and antibiotics affect cells by interacting with type II topoisomerases, stabilizing a covalent enzyme-DNA… 
Highly Cited
1994
Highly Cited
1994
Vaccinia DNA topoisomerase I catalyzes a reversible, site-specific strand cleavage and resealing reaction with duplex DNA… 
Highly Cited
1989
Highly Cited
1989
Minicircle DNA, the major component of the mitochondrial DNA of trypanosomes (kinetoplast DNA), is linearized when living… 
1986
1986
We have found that purified T4 DNA topoisomerase promotes recombination between two phage lambda DNA molecules in an in vitro… 
Highly Cited
1983
Highly Cited
1983
DNA topoisomerase activity detected in cell extracts of the trypanosomatid Crithidia fasciculata interlocks kinetoplast DNA… 
1980
1980
DNA topoisomerases (or nicking-closing enzymes) introduce transient swivels into DNA. We studied the reaction of the calf thymus… 
1979
1979
A topoisomerase (nicking-closing enzyme) has been isolated from rat liver mitochondria. It has purified by double-stranded DNA…