Liver glucokinase (GK); Full-length Human

Glucokinase (GK; EC is an enzyme that facilitates phosphorylation of glucose to glucose-6-phosphate. Glucokinase occurs in cells in the liver, pancreas, gut, and brain of humans and most other vertebrates. In each of these organs it plays an important role in the regulation of carbohydrate metabolism by acting as a glucose sensor, triggering shifts in metabolism or cell function in response to rising or falling levels of glucose, such as occur after a meal or when fasting. Mutations of the gene for this enzyme can cause unusual forms of diabetes or hypoglycemia.


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Catalog Number Product DataSheet Size AVAILABILITY Price Qty
Liver glucokinase (GK); Full-length Human, 25ug
25ug (1mg/mL) Unavailable 
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Product Type: Protein
Accession ID: P35557
Source: E. coli
Molecular Weight: 53.2 kDa
Format: Liquid
Purity: 77% (densitometry)
Buffer: 50 mM potassium phosphate pH-7.4, 50 mM sodium chloride, 0.5 mM ethylenediaminetetraaceticacid, and 2.5% glycerol.
Concentration: 1.0mg/mL
Comments: Human liver glucokinase, (Accession No. NP_277042), aa 474 (full length) with C-Terminal FLAG Tag, MW = 53.20 kDa, expressed in E. coli
Storage: -80C
Shipped: Dry ice


Specific Activity: 662 pmol/min/ug. One unit is defined as the amount of enzyme that will convert 1 nmol of NADP to NADPH at 30C. Assay conditions: 25 mM HEPES, pH 7.5, 2 nM MgCl2, 1.0 mM DTT, 0.5 mM NADP, 2 mM ATP, 25 mM glucose, 100 ug/ml BSA, 20 units/ml glucose 6-phosphate dehydrogenase, and 10 nM human liver glucokinase at 30C for 30 min.

Activation: (+/-) Ro 28-0450 (100 uM) activated human liver glucokinase 868% versus control measured at glucose [S]0.5


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