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Related Experiment Videos

The nitrilase superfamily: classification, structure and function.

H C Pace1, C Brenner

  • 1Structural Biology and Bioinformatics Program, Kimmel Cancer Center, 233 S Tenth Street, Philadelphia, PA 19107, USA.

Genome Biology
|September 6, 2001
PubMed
Summary
This summary is machine-generated.

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The nitrilase superfamily comprises thiol enzymes crucial for biosynthesis and modification across diverse organisms. Analyzing their sequences and domains aids in understanding their functions and predicting the roles of uncharacterized proteins.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Enzymology

Background:

  • The nitrilase superfamily is a diverse group of thiol enzymes.
  • These enzymes are involved in natural product biosynthesis and post-translational modification.
  • They are found in plants, animals, fungi, and prokaryotes.

Purpose of the Study:

  • To classify the nitrilase superfamily based on sequence similarity and domain composition.
  • To identify the functional specificities of different branches within the superfamily.
  • To develop a predictive framework for uncharacterized nitrilase-like proteins.

Main Methods:

  • Sequence similarity analysis.
  • Identification and analysis of additional protein domains.
  • Genetic and biochemical analysis of family members.

Related Experiment Videos

  • Functional prediction based on sequence and domain data.

    • Main Results:

    • The nitrilase superfamily can be classified into 13 distinct branches.
    • Nine branches exhibit known or deduced specificities for nitrile/amide hydrolysis or condensation.
    • The analysis provides insights into the localization, specificity, and cell biology of numerous uncharacterized proteins.

    Conclusions:

    • Sequence and domain analysis are powerful tools for understanding enzyme superfamilies.
    • This classification and predictive approach advance the study of nitrilases.
    • It facilitates the characterization of hundreds of previously unstudied protein sequences.