repressor
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Related to repressor: repressor gene, Lac repressor
re·pres·sor
(rĭ-prĕs′ər)n.
1. also re·press·er One that represses.
2. Genetics A protein that binds to an operator, blocking transcription of an operon and the enzymes for which the operon codes.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
repressor
(rɪˈprɛsə)n
(Genetics) biochem a protein synthesized under the control of a repressor gene, which has the capacity to bind to the operator gene and thereby shut off the expression of the structural genes of an operon
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
re•pres•sor
(rɪˈprɛs ər)n.
a protein that binds DNA at an operator site and thereby prevents transcription of one or more adjacent genes.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Noun | 1. | repressor - an agent that represses agent - an active and efficient cause; capable of producing a certain effect; "their research uncovered new disease agents" |
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