A transcriptional cis regulatory region (ranges from 0.5kb to 3kbp) that when located between an enhancer and a promoter, the insulator prevents the enhancer from modulating expression of that gene.
DO you have a reference for this?
I think this may need to also include chromatin.
Insulators prevent interactions between promoters and enhancers in a position-dependent manner due to their ability to influence higher order chromatin structure
I'm setting this to pending and will talk to you when you get back in town.
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