539481-M

PKA, Catalytic Subunit, Mouse, Recombinant, E. coli

• Synonym(s): cAMP-Dependent Protein Kinase, Catalytic Subunit, Protein Kinase A, Catalytic Subunit
• Enzyme Commission number: 2.7.1.37 (BRENDA, IUBMB)
• UNSPSC Code: 12352202

Properties

• form: liquid
• Quality Level: 100
• specific activity: ≥2.5 x 10⁶ U/mL
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze; avoid repeated freeze/thaw cycles
• foreign activity: Phosphatases, proteases, none detected
• storage temp.: −20°C

Description

General description

Recombinant, mouse PKA catalytic subunit expressed in E. coli. Regulates a number of cellular functions including gene expression, carbohydrate metabolism, Ca²⁺ homeostasis, and ion channel function. Suitable for studying the phosphorylation of purified substrates and for use with cell extracts. Unlike the holoenzyme, the catalytic subunit does not require cAMP for activation.

Recombinant, mouse PKA catalytic subunit expressed in E. coli. The catalytic subunit of protein kinase A that combines with the regulatory subunit, in the absence of cAMP, to form the inactive PKA holoenzyme. Unlike the holoenzyme, the catalytic subunit does not require cAMP for activation. PKA-Cα is reported to potentiate IP₃-induced Ca²⁺ mobilization in isolated hepatocytes. Suitable for studies of PKA phosphorylation in vitro with purified substrates or following the introduction into intact cells or cell extracts.

Warning

Toxicity: Standard Handling (A)

Unit Definition

One unit is defined as the amount of enzyme that will transfer 1.0 pmol phosphate to Kemptide (LRRASLG; Cat. No. 05-23-4900) per min at 30°C, pH 7.5.

Physical form

In 50 mM NaCl, 20 mM Tris-HCl, 1 mM EDTA, 2 mM DTT, 50% glycerol, pH 7.5.

Reconstitution

Following initial thaw, aliquot and freeze (-20°C).

Other Notes

Grant, B.D., and Adams, J.A. 1996. Biochemistry35, 2022.
Lee, S-L. and Steinberg, R.A. 1996. J. Biol. Chem.271, 16553.
Adams, J.A., et al. 1995. Biochemistry 34, 2447.
Bosma, M.M., et al. 1993. J. Neurosci.13, 5242.
Brindle, P., et al. 1993. Nature364, 821.
Hajnoczky, G., et al. 1993. Biochem. J.293, 413.
Sculptoreanu, A., et al. 1993. Proc. Natl. Acad. Sci. USA90, 10135.
Wang, L-Y., et al. 1993. Science259, 1173.
Slice, L.W., and Taylor, S.S. 1989. J. Biol. Chem.264, 20940.
Uhler, M.D., et al. 1986. Proc. Natl. Acad. Sci. USA83, 1300.
Walsh, D.A., et al. 1968. J. Biol. Chem.243, 3763.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 12 - Non Combustible Liquids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable