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Calpain: novel family members, activation, and physiologic function
K Suzuki1, H Sorimachi, T Yoshizawa
1Institute of Molecular and Cellular Biosciences, University of Tokyo, Japan.
Biological Chemistry Hoppe-Seyler
|September 1, 1995
Summary
Calpain, a large enzyme family, is activated by calcium ions (Ca2+), which cause dissociation into its active 80 kDa subunit. Recent findings offer insights into calpain
Area of Science:
- Biochemistry
- Molecular Biology
- Enzymology
Background:
- Calpains are a family of calcium-dependent cysteine proteases.
- Understanding calpain activation is crucial for elucidating their diverse physiological roles.
Purpose of the Study:
- To summarize the current state of calpain research.
- To highlight recent advancements in understanding calpain activation mechanisms.
Main Methods:
- Literature review of recent calpain research findings.
- Analysis of molecular mechanisms underlying calpain activation.
Main Results:
- Calpains represent a large protein family.
- Calcium ions (Ca2+) induce calpain dissociation into subunits.
- The 80 kDa subunit is identified as the active form, signifying calpain activation.
Conclusions:
- Recent research provides significant insights into calpain activation.
- These findings offer a foundation for further investigation into calpain's physiological functions.