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Related Experiment Video

Updated: Apr 13, 2026

A Reporter Based Cellular Assay for Monitoring Splicing Efficiency

A Reporter Based Cellular Assay for Monitoring Splicing Efficiency

Published on: September 15, 2021

Splice junctions are constrained by protein disorder.

Ben Smithers¹, Matt E Oates², Julian Gough²

¹Department of Computer Science, University of Bristol, Bristol, BS8 1UB, UK ben.smithers@bristol.ac.uk.

Nucleic Acids Research

|May 3, 2015

Summary

This summary is machine-generated.

Gene splice junction positions are constrained by the need for disorder-promoting amino acids in proteins. This suggests local protein features, not splicing efficiency, dictate splice site locations, impacting gene structure and function.

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Engineering Artificial Factors to Specifically Manipulate Alternative Splicing in Human Cells

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Published on: April 26, 2017

Area of Science:

Genetics
Molecular Biology
Biochemistry

Background:

Efficient gene splicing relies on specific nucleotide sequences at splice junctions.
These sequences lead to amino acid distributions that favor protein disorder.
The interplay between splicing efficiency and protein structure has not been fully elucidated.

Purpose of the Study:

To investigate the constraints on splice junction positioning within genes.
To determine if protein structure or splicing efficiency primarily influences splice site selection.
To explore the role of exonic splicing enhancers in relation to protein disorder.

Main Methods:

Analysis of nucleotide sequences at splice junctions and their corresponding amino acid properties.
Comparison of amino acid distributions in structured versus disordered protein regions.
Examination of the prevalence of exonic splicing enhancers in exons encoding different protein types.

Main Results:

Splice junction positions are constrained by the tolerance for disorder-promoting amino acids.
Splicing efficiency is maintained despite the requirement for disordered amino acids.
Exonic splicing enhancers are more common in exons encoding disordered regions compared to structured regions.

Conclusions:

The positioning of splice junctions in genes is dictated by local protein environment constraints.
Local protein features, particularly disorder, exert a greater influence on splicing than previously thought.
Understanding these constraints is crucial for deciphering gene structure and regulation.