|Reactivity||Human, Mouse, Rat|
|Calculated MW||37579 Da|
|Other Names||5'-AMP-activated protein kinase subunit gamma-1, AMPK gamma1, AMPK subunit gamma-1, AMPKg, PRKAG1|
|Target/Specificity||A synthetic peptide corresponding to residues in the C-term of human AMPK gamma-1 subunit was used as an immunogen|
|Format||50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||AMPK gamma-1 Antibody (C-term) is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||AMP/ATP-binding subunit of AMP-activated protein kinase (AMPK), an energy sensor protein kinase that plays a key role in regulating cellular energy metabolism. In response to reduction of intracellular ATP levels, AMPK activates energy-producing pathways and inhibits energy-consuming processes: inhibits protein, carbohydrate and lipid biosynthesis, as well as cell growth and proliferation. AMPK acts via direct phosphorylation of metabolic enzymes, and by longer-term effects via phosphorylation of transcription regulators. Also acts as a regulator of cellular polarity by remodeling the actin cytoskeleton; probably by indirectly activating myosin. Gamma non-catalytic subunit mediates binding to AMP, ADP and ATP, leading to activate or inhibit AMPK: AMP-binding results in allosteric activation of alpha catalytic subunit (PRKAA1 or PRKAA2) both by inducing phosphorylation and preventing dephosphorylation of catalytic subunits. ADP also stimulates phosphorylation, without stimulating already phosphorylated catalytic subunit. ATP promotes dephosphorylation of catalytic subunit, rendering the AMPK enzyme inactive.|
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Provided below are standard protocols that you may find useful for product applications.
The 5-AMP-activated protein kinase (AMPK), a member of the SNF1 (sucrose nonfermentor) kinase family (1) AMPK is a heterotrimeric protein comprising α (63 kDa), β (38 kDa) and γ (38 kDa) subunits. The alpha subunit is the catalytic subunit, while beta and gamma are noncatalytic subunits, although they have been found to interact with the active subunit in liver. AMPK regulates fatty acid and sterol synthesis by phosphorylation of acetyl-CoA as well as cholesterol synthesis via phosphorylation and inactivation of hydroxymethylglutaryl-CoA reductase (2). AMPK is activated by AMP and can be also regulated by treatment with purified protein phosphatase in vitro (3).
1. Mitchelhill, K. I., Stapleton, D., Gao, G., House, C., Michell, B., Katsis, F., Witters, L. A., and Kemp, B. E. (1994) J. Biol. Chem. 269, 2361-2364
2. Carling, D., Clarke, P. R., Zammit, V. A., and Hardie, D. G. (1989) Eur. J. Biochem. 186, 129-136
3. Carling, D., Zammit, V. A,, and Hardie, D. G. (1987) FEES Lett. 223,217-222
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