P2014
Phosphorylase Kinase from rabbit muscle
lyophilized powder, ≥60 units/mg protein
Synonym(s):
ATP:phosphorylase-b phosphotransferase, Dephosphophosphorylase kinase
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About This Item
CAS Number:
UNSPSC Code:
12352204
NACRES:
NA.54
MDL number:
Specific activity:
≥60 units/mg protein
form
lyophilized powder
specific activity
≥60 units/mg protein
composition
Protein, 20-40% biuret
foreign activity
ATPase ≤0.5%, phosphorylase a ≤1%, phosphorylase b ≤5%
storage temp.
−20°C
General description
Phosphorylase kinase contains four subunits each containing an α, β, γ, and sigma component. The sigma component binds 4 calcium molecules and is termed calmodulin while the γ unit acts as the catalytic subunit.
Application
Phosphorylase kinase from rabbit muscle has been used in a study to assess features of glycogen phosphorylase. It has also been used in a study to investigate the activation of different forms of muscle phosphorylase kinase by actin.
Physical form
Lyophilized powder containing (NH4)2SO4, sucrose, β-glycerophosphate and dithioerythritol
Other Notes
One unit will form 1.0 μmolar unit of phosphorylase a from phosphorylase b per min at pH 7.7 at 30°C in the presence of ATP.
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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Monica Balsera et al.
Planta, 237(2), 619-635 (2012-12-12)
Uncovered in studies on photosynthesis 35 years ago, redox regulation has been extended to all types of living cells. We understand a great deal about the occurrence, function, and mechanism of action of this mode of regulation, but we know little
Laura A Lane et al.
Molecular & cellular proteomics : MCP, 11(12), 1768-1776 (2012-09-12)
Phosphorylase kinase (PhK), a 1.3 MDa enzyme complex that regulates glycogenolysis, is composed of four copies each of four distinct subunits (α, β, γ, and δ). The catalytic protein kinase subunit within this complex is γ, and its activity is
K F Chan et al.
The Journal of biological chemistry, 257(10), 5956-5961 (1982-05-25)
Aspects of the molecular interaction and subunit structure of rabbit skeletal muscle phosphorylase kinase, (alpha beta gamma delta)4, were investigated. Exogenous addition of the delta subunit (calmodulin) stimulated the activities of nonactivated phosphorylase kinase and the alpha gamma delta complex
Global Trade Item Number
| SKU | GTIN |
|---|---|
| P2014-2.5KU | 04061832925103 |
| P2014-1KU | 04061832925097 |