Overview
Promoters, enhancers, and other regulatory elements are non-coding DNA sequences that control when, where, and how genes are expressed. They function as molecular switches that coordinate transcriptional activity by interacting with transcription factors, chromatin modifiers, and the basal transcription machinery.
Frequently Asked Questions
What is the difference between a promoter and an enhancer?
Promoters are proximal regulatory regions located immediately upstream of a gene's transcription start site that initiate transcription. Enhancers are distal elements that can be thousands of base pairs away and function independently of position to increase transcription.
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