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Native Rabbit Phosphorylase Kinase
Cat No.
NATE-0559
Description
Phosphorylase kinase (PhK) is a serine/threonine-specific protein kinase which activates glycogen phosphorylase to release glucose-1-phosphate from glycogen. PhK phosphorylates glycogen phosphorylase at two serine residues, triggering a conformational shift which favors the more active glycogen phosphorylase “a” form over the less active glycogen phosphorylase b.
Abbr
PHK, Native (Rabbit)
Alias
PHK; STK17
Source
Rabbit muscle
Species
Rabbit
Applications
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.
Product Overview
Phosphorylase kinase contains four subunits each containing an α, β, γ, and Creative Enzymes component. The Creative Enzymes component binds 4 calcium molecules and is termed calmodulin while the γ unit acts as the catalytic subunit.
Form
Lyophilized powder containing (NH4)2SO4, sucrose, β-glycerophosphate and dithioerythritol
Enzyme Commission Number
EC 2.7.1.38
Activity
> 60 units/mg protein
CAS No.
9001-88-1
Unit Definition
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
−20°C
Synonyms
Phosphorylase Kinase; dephosphophosphorylase kinase; glycogen phosphorylase kinase; PHK; phosphorylase b kinase; phosphorylase B kinase; phosphorylase kinase (phosphorylating); STK17; EC 2.7.11.19; EC 2.7.1.38; 9001-88-1
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