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Catalytic antibodies: evolution of protein function in real time
1Department of Chemistry, Scripps Research Institute, La Jolla, CA 92037, USA.
EXS
|January 1, 1995
Summary
Antibody catalysis, a rapid method for generating protein diversity, offers insights into biological catalysis. This approach complements natural selection
Area of Science:
- Biochemistry
- Evolutionary Biology
- Immunology
Background:
- Natural selection evolves enzyme function over millions to billions of years.
- Antibody induction generates diversity over weeks, contrasting with evolutionary timescales.
- Both natural selection and the immune system are powerful mechanisms for generating protein diversity.
Purpose of the Study:
- To discuss antibody catalysis from an evolutionary perspective.
- To explore how eliciting catalytic antibodies can illuminate biological catalysis.
- To compare the diversity generation mechanisms of natural selection and the immune system.
Main Methods:
- Evolutionary analysis of protein function.
- Immune system-mediated antibody induction.
- Catalytic antibody elicitation and characterization.
Main Results:
- Antibody catalysis provides a rapid route to novel protein functions.
- The immune system's diversity generation is significantly faster than natural selection.
- Catalytic antibodies serve as valuable tools for studying biological catalysis.
Conclusions:
- Antibody catalysis represents a powerful and rapid method for protein engineering.
- Comparing antibody catalysis and natural selection deepens our understanding of biological catalysis.
- The immune system offers a model for rapid functional evolution.