- Catalog number
- PB9739
- Size / count
- 100 µg/Vial
- Dry ice
- No
- Hazardous
- No
- Discontinued
- No
- Background
- 5'-AMP-activated protein kinase subunit beta-2 is an enzyme that in humans is encoded by the PRKAB2 gene. The protein encoded by this gene is a regulatory subunit of the AMP-activated protein kinase (AMPK) . AMPK is a heterotrimer consisting of an alpha catalytic subunit, and non-catalytic beta and gamma subunits. It is an important energy-sensing enzyme that monitors cellular energy status. In response to cellular metabolic stresses, AMPK is activated, and thus phosphorylates and inactivates acetyl-CoA carboxylase (ACC) and beta-hydroxy beta-methylglutaryl-CoA reductase (HMGCR), key enzymes involved in regulating de novo biosynthesis of fatty acid and cholesterol. This subunit may be a positive regulator of AMPK activity. It is highly expressed in skeletal muscle and thus may have tissue-specific roles. Multiple alternatively spliced transcript variants have been found for this gene.
- Synonyms
- 5'-AMP-activated protein kinase subunit beta-2; AMPK subunit beta-2; PRKAB2
- Gene Name
- PRKAB2
- Gene ID
- 5565
- UniProt
- O43741
- Host
- Rabbit
- Reactivity
- Human, Mouse, Rat
- Cross Reactivity
- No cross-reactivity with other proteins.
- Immunogen
- A synthetic peptide corresponding to a sequence at the N-terminus of human AMPK beta 2, different from the related mouse sequence by three amino acids, and from the related rat sequence by two amino acids.
- Clonality
- Polyclonal
- Tissue Specificity
- Expressed in striated muscles, specifically in type 2a fibers (at protein level) . .
- Applications
- Flow Cytometry, IF, IHC, ICC, WB
- Field of Research
- Cancer Metabolism, Cardiovascular, Energy Transfer Pathways, Fatty Acid Oxidation, Fatty Acids, Integration Of Energy, Integration Of Energy Metabolism, Lipid and Lipoprotein Metabolism, Lipid Metabolism, Lipid Signaling, Lipids/Lipoproteins, Metabolic Signaling Pathway, Metabolic Signaling Pathways, Metabolism, Pathways and Processes, Redox Metabolism, Signal Transduction, Signaling Pathway
- Purification
- Immunogen affinity purified.
- Concentration
- Adding 0.2 ml of distilled water will yield a concentration of 500 μg/ml.
- Form
- Lyophilized
- Reconstitution
- Add 0.2ml of distilled water will yield a concentration of 500ug/ml.
- Function
- Non-catalytic 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 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 inly activating myosin. Beta non-catalytic subunit acts as a scaffold on which the AMPK complex assembles, via its C-terminus that bridges alpha (PRKAA1 or PRKAA2) and gamma subunits (PRKAG1, PRKAG2 or PRKAG3) .
- References & Citations
- 1. Entrez Gene: PRKAB2 protein kinase, AMP-activated, beta 2 non-catalytic subunit. 2. Stapleton D, Mitchelhill KI, Gao G, Widmer J, Michell BJ, Teh T, House CM, Fernandez CS, Cox T, Witters LA, Kemp BE (February 1996) . Mammalian AMP-activated protein kinase subfamily. J Biol Chem 271 (2) : 611–4.
- Storage Conditions
- Store at -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freeze-thaw cycles.
- Calculated Molecular Weight
- 30302 MW
- Observed Molecular Weight
- 30 kDa
- Specificity
- No cross reactivity with other proteins.
- Applications Notes
- 6
- Gene Name Synonym
- 5'-AMP-activated protein kinase subunit beta-2
- Subcellular Location
- Cytoplasm . Along actomyosin filaments and stress fibers.
- Protein Name
- 5'-AMP-activated protein kinase subunit beta-2
- Isotype
- Rabbit IgG
- Contents
- Each vial contains 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3.