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The Eukaryotic Promoter Region

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The eukaryotic promoter region is a segment of DNA located upstream of a gene. It contains an RNA polymerase binding site, a transcription start site, and several cis-regulatory sequences. The proximal promoter region is located in the vicinity of the gene and has cis-regulatory sequences and the core promoter. The core promoter is the binding site for RNA polymerase and is usually located between -35 and +35 nucleotides from the transcription start site. The distal promoter regions are...

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Each human somatic cell contains 6 billion base pairs of DNA. Each base pair is 0.34 nm long, meaning each diploid cell contains a staggering 2 meters of DNA. This long DNA strand is packed inside a nucleus measuring only 10-20 microns in diameter with the help of specialized DNA-binding proteins called histones. Together they form a compact DNA-protein complex called chromatin. The chromatin is further compacted into higher-order structures. The highest level of compaction is achieved during...

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Related Experiment Video

Updated: Jul 11, 2025

A Customizable Protocol for String Assembly gRNA Cloning STAgR

A Customizable Protocol for String Assembly gRNA Cloning STAgR

Published on: December 26, 2018

Generating information-dense promoter sequences with optimal string packing.

Virgile Andreani, Eric J South, Mary J Dunlop

Biorxiv : the Preprint Server for Biology

|November 14, 2023

Summary

This summary is machine-generated.

Designing DNA sequences with many overlapping binding sites is now efficient. Our new computational method optimally packs these sites, enabling rapid creation of synthetic promoters and complex DNA-protein interactions.

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Area of Science:

Computational Biology
Synthetic Biology
Bioinformatics

Background:

Natural promoter regions utilize dense, overlapping transcription factor binding sites to regulate gene transcription.
Designing synthetic nucleotide sequences with numerous overlapping binding sites presents a significant computational challenge.

Conclusions:

The presented nucleotide string packing approach accelerates the design of sequences with complex DNA-protein interactions.
This method facilitates the rapid design and study of nucleotide sequences with dense binding site architectures.
Combined with synthesis and screening, this strategy can advance the understanding of how binding site arrangements impact gene expression and cellular mechanisms.