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Related Experiment Videos

Annotation of glycoproteins in the SWISS-PROT database.

E Jung1, A L Veuthey, E Gasteiger

  • 1Swiss Institute of Bioinformatics, Central Clinical Chemistry Laboratory, Geneva University Hospital, Geneva, Switzerland.

Proteomics
|October 30, 2001
PubMed
Summary

SWISS-PROT is a protein sequence database that now fully annotates protein glycosylation. This includes details on N-linked, O-linked, and other glycosylation types, enhancing protein descriptions.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Bioinformatics

Background:

  • SWISS-PROT is a comprehensive protein sequence database.
  • Protein modifications are crucial for mature protein function.
  • Accurate annotation of these modifications is essential for biological understanding.

Purpose of the Study:

  • To detail the annotation of various protein glycosylation types within the SWISS-PROT database.
  • To emphasize the importance of glycosylation as a common post-translational modification.
  • To improve the description of mature proteins by including glycosylation information.

Main Methods:

  • Developing annotation standards for different glycosylation types.
  • Integrating data on sugar position and linkage within the polypeptide chain.

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  • Including information on the biological function of glycosylation.

    • Main Results:

    • SWISS-PROT now includes detailed annotations for N-linked glycosylation.
    • O-linked glycosylation, proteoglycans, C-linked glycosylation, and GPI anchors are also annotated.
    • The database provides information on the location, linkage, and function of protein-bound sugars.

    Conclusions:

    • Enhanced annotation of protein glycosylation in SWISS-PROT provides a richer resource for researchers.
    • This detailed information aids in understanding protein structure-function relationships.
    • The database serves as a valuable tool for studying post-translational modifications.