P5511
Protein Kinase A from bovine heart
≥0.8 units/μg protein, lyophilized powder
Synonym(s):
Protein Kinase, 3′,5′-cyclic-AMP-dependent from bovine heart
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About This Item
CAS Number:
UNSPSC Code:
12352204
eCl@ss:
32160410
NACRES:
NA.77
MDL number:
Product Name
Protein Kinase A from bovine heart, ≥0.8 units/μg protein, lyophilized powder
form
lyophilized powder
specific activity
≥0.8 units/μg protein
composition
Protein, ≥70%
storage temp.
−20°C
Quality Level
Gene Information
cow ... PRKACA(282322), PRKACB(282323)
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Analysis Note
Protein determined by biuret.
Application
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.
Biochem/physiol Actions
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.
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.
General description
Protein Kinase A (PKA) is a serine/threonine kinase, which exists as a tetrameric holoenzyme.
Other Notes
One unit will transfer 1.0 picomole phosphate from ATP to hydrolyzed and partially dephosphorylated casein per minute at pH 6.5 at 30°C in the presence of cyclic AMP, determined by measuring the production of ADP.
Packaging
Package size based on protein content
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).
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Regulatory Information
低风险生物材料
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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)
Signaling the signal: Protein Kinase a (PKA) inhibition by insulin-formed H2O2 and reactivation by thioredoxin
de Pina MZ, et al.
The Journal of Biological Chemistry (2008)
Cardiomyocyte Hypocontractility and Reduced Myofibril Density in End-Stage Pediatric Cardiomyopathy.
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
Y Ito et al.
British journal of pharmacology, 83(3), 677-686 (1984-11-01)
Effects of isoprenaline (Isop) on the contractile properties of the smooth muscle cells of cat trachea were investigated using intact and chemically skinned muscle preparations and an isometric tension recording method. In the intact muscle preparations, Isop 3 X 10(-10)
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