
1) Gene expression
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https://www.crosswordclues.com/clue/coactivator
[genetics] A coactivator is a protein that increases gene expression by binding to an activator (or transcription factor) which contains a DNA binding domain. The coactivator is unable to bind DNA by itself. The coactivator can enhance transcription initiation by stabilizing the formation of the RNA polymerase holoenzyme enabling faster cle...
Found on
http://en.wikipedia.org/wiki/Coactivator_(genetics)

Type: Term Pronunciation: kō-ak′ti-vā-tŏr Definitions: 1. A type of nuclear proteins that participate in the potentiation of transcription of genes that are responsive to ligand-dependent transcription factors. They belong to several families, including the p160 coactivators and the CBP/p300 molecules.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=18511
No exact match found.