Protein Kinase A from bovine heart

≥0.4 units/μg protein, lyophilized powder

Protein Kinase, 3′,5′-cyclic-AMP-dependent from bovine heart
CAS Number:
Enzyme Commission number:
MDL number:


lyophilized powder

Quality Level

specific activity

≥0.4 units/μg protein


Protein, ≥70%

UniProt accession no.

storage temp.


Gene Information

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General description

Protein Kinase A (PKA) is a serine/threonine kinase, which exists as a tetrameric holoenzyme.


Protein Kinase A from bovine heart has been used to determine its activity using a molecular beacon probe. It has also been used to study the interaction of staurosporine with the ATP-binding site of kinases.
Protein Kinase A from bovine heart has been used to inhibit the phosphorylation of myosin.


10 mg in poly bottle
1, 5 mg in glass bottle
Package size based on protein content

Biochem/physiol Actions

Protein Kinase A (PKA) inhibits hormone-sensitive lipase translocation from cytosol to storage droplets and blocks lipolysis. It regulates apoptosis, mitochondrial respiration and ATP synthesis. PKA is modulated by protease calpain.
Many 3′,5′-cyclic AMP dependent protein kinases have been reported. Structural studies (Traugh, J.A., et al., Meth. Enzymol., 38, 290 [1974]) show the presence of at least two subunits, the regulatory subunit and the catalytic subunit. When both units are linked together, the catalytic activity is inhibited. However, when the cyclic-AMP binds to the regulatory subunit, the catalytic subunit is released and can then catalyze the transfer of phosphate from ATP to various proteins.

Unit Definition

One unit will transfer 1.0 picomole phosphate from γ-32P-ATP to hydrolyzed and partially dephosphorylated casein per min at pH 6.5 at 30 °C in the presence of cyclic AMP.

Physical form

Crude lyophilized powder containing EDTA and potassium phosphate, pH 7.5.

Preparation Note

Fractionated essentially by procedure of Gilman, A., Proc. Natl. Acad. Sci. USA, 67, 305 (1970).

Analysis Note

Protein determined by biuret.

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Probes of the mitochondrial cAMP-dependent protein kinase
Shell JR and Lawrence DS
Biochimica et Biophysica Acta (BBA)-Proteins and Proteomics, 1834(7), 1359-1363 (2013)
Nitroglycerine-and isoprenaline-induced vasodilatation: assessment from the actions of cyclic nucleotides
Itohy T, et al.
British Journal of Pharmacology, 84(2), 393-406 (1985)
Alkylation of Staurosporine to Derive a Kinase Probe for Fluorescence Applications
Dr. Alexandar
Chemistry of Materials (2016)
Simple fluorescence-based detection of protein kinase A activity using a molecular beacon probe
Journal of Bioenergetics and Biomembranes (2017)
Ilse A E Bollen et al.
Frontiers in physiology, 8, 1103-1103 (2018-01-10)
Dilated cardiomyopathy amongst children (pediatric cardiomyopathy, pediatric CM) is associated with a high morbidity and mortality. Because little is known about the pathophysiology of pediatric CM, treatment is largely based on adult heart failure therapy. The reason for high morbidity...

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