CALCINEURIN Chemical Properties

storage temp. 

−20°C

solubility 

H₂O: soluble

form 

lyophilized powder

Safety Information

Safety Statements 

22-24/25

WGK Germany 

3

MSDS

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CALCINEURIN Usage And Synthesis

Uses

Calcineurin from bovine brain has been used:

• as a positive control in western blot analysis of oocytes and cumulus cells proteome
• as a positive control in calmodulin (CaM)-agarose binding assay
• to test its phosphatase activity in the presence of okadaic acid

General Description

Calcineurin (CaN) comprises CaN A and CaN B subunits. It exists as a heterodimer with a calmodulin-binding domain, catalytic site, a CaN B binding domain, and an autoinhibitory domain.

Biochem/physiol Actions

Calcineurin is a cyclosporin-sensitive, calcium-regulated, serine-threonine protein phosphatase with broad substrate specificity. It is the major calmodulin-binding protein found in the brain. First identified as an inhibitor of the calmodulin activation of phosphodiesterase 3′:5′ cyclic nucleotide (PDE), calcineurin has similar effects on adenylate cyclase. Serves as a key enzyme involved in T-cell activation. Also involved in the hyperphosphorylation of tau protein in Alzheimer′s disease and has been shown to prevent calpain-mediated proteolysis of tau in differentiated PC12 cells.

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