topoisomerase(redirected from DNA topoisomerase)
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Related to DNA topoisomerase: DNA gyrase
an enzyme involved in mobilization and replication of DNA during cell division.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
A type of enzyme converting (isomerizing) one topologic version of DNA into another; acts by catalyzing the breakage and reformation of DNA phosphodiester linkages.
[topo- + isomerase]
Farlex Partner Medical Dictionary © Farlex 2012
Either of two isomerase enzymes that alter the topology of DNA molecules by breaking and reconnecting coiled strands.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.