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Protein functions in pre-mRNA splicing

C L Will1, R Lührmann

  • 1Institut für Molekularbiologie und Tumorforschung, Philipps Universität Marburg, Emil Mannkopff Strasse 2, 35037, Marburg, Germany. will@imt.uni-marburg.de

Current Opinion in Cell Biology
|June 1, 1997
PubMed
Summary

Proteins play diverse roles in pre-mRNA splicing, acting as RNA helicases, GTPases, or isomerases. Research reveals new protein interactions and suggests proteins contribute to the spliceosome

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Area of Science:

  • Molecular biology
  • Biochemistry
  • Genetics

Background:

  • Proteins are increasingly recognized for their diverse roles in pre-mRNA splicing.
  • The spliceosome, a complex molecular machine, mediates this process.

Purpose of the Study:

  • To explore the expanding functions of proteins in pre-mRNA splicing.
  • To identify novel spliceosomal proteins and their interactions.

Main Methods:

  • Molecular cloning techniques were employed to identify genes encoding spliceosomal proteins.
  • Analysis of protein-protein and protein-RNA interactions was conducted.

Main Results:

  • Genes for spliceosomal proteins with potential RNA helicase, GTPase, or isomerase activities were identified.
  • New protein-protein and protein-RNA interactions crucial for spliceosome assembly were described.
  • Evidence indicates proteins may directly participate in the spliceosome's active sites.

Conclusions:

  • Proteins are integral to spliceosome function, exhibiting diverse enzymatic and structural roles.
  • Further investigation into protein involvement in spliceosome active sites is warranted.

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