Human PRKAB2 Recombinant Protein (RPPB2630)

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SKU:
RPPB2630
Product type:
Recombinant Protein
Size:
20ug
Species:
Human
Target:
PRKAB2
Synonyms:
5'-AMP-activated protein kinase subunit beta-2
Synonyms:
AMPK subunit beta-2
Source:
Escherichia Coli
Uniprot:
O43741
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Description

Product Name:Human PRKAB2 Recombinant Protein
Product Code:RPPB2630
Size:20µg
Species:Human
Target:PRKAB2
Synonyms:5'-AMP-activated protein kinase subunit beta-2, AMPK subunit beta-2.
Source:Escherichia Coli
Physical Appearance:Sterile Filtered colorless solution.
Formulation:The PRKAB2 solution (1mg/ml) contains 20mM Tris-HCl buffer, (pH8.0), 10% glycerol and 2M Urea.
Stability:Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Purity:Greater than 90% as determined by SDS-PAGE.
Amino Acid Sequence:MGSSHHHHHH SSGLVPRGSH MGSHMGNTTS DRVSGERHGA KAARSEGAGG HAPGKEHKIM VGSTDDPSVF SLPDSKLPGD KEFVSWQQDL EDSVKPTQQA RPTVIRWSEG GKEVFISGSF NNWSTKIPLI KSHNDFVAIL DLPEGEHQYK FFVDGQWVHD PSEPVVTSQL GTINNLIHVK KSDFEVFDAL KLDSMESSET SCRDLSSSPP GPYGQEMYAF RSEERFKSPP ILPPHLLQVI LNKDTNISCD PALLPEPNHV MLNHLYALSI KDSVMVLSAT HRYKKKYVTT LLYKPI

PRKAB2 is a regulatory subunit of the AMP-activated protein kinase (AMPK). AMPK is a heterotrimer contains an alpha catalytic subunit and non-catalytic beta and gamma subunits. AMPK is a significant energy-sensing enzyme that supervises cellular energy status. AMPK is activated as a reply to cellular metabolic stresses, therefore phosphorylates and inactivates acetyl-CoA carboxylase (ACC) and beta-hydroxy beta-methylglutaryl-CoA reductase (HMGCR), vital enzymes involved in regulating de novo biosynthesis of fatty acid and cholesterol. PRKAB2 is a positive regulator of AMPK activity and highly expressed in skeletal muscle.

PRKAB2 Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 296 amino acids (1-272) and having a molecular mass of 32.8kDa. PRKAB2 is fused to a 24 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

UniProt Protein Function:AMPKB2: a non-catalytic subunit of AMPK, a conserved kinase of the CAMKL family. AMPK is an energy-sensing protein that plays a key role in regulating cellular energy homeostasis. Environmental stress, such as heat shock, nutrient deprivation, hypoxia and ischemia, indirectly activate AMPK by the depletion of cellular ATP and the concomitant rise of ADP and AMP levels. Allosteric activation is achieved primarily by rising ADP levels, and not solely by AMP levels as previously thought. 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. AMPK is a heterotrimer of an alpha catalytic subunit (AMPKA1 or -2), a beta (AMPKB1 or -2) and a gamma non-catalytic subunit (AMPKG1, -2 or -3). Different possible combinations of subunits give rise to 12 different holoenzymes. Beta subunits act as scaffolds on which the AMPK complex assembles, via its C-terminus that bridges alpha and gamma subunits. AMPK-beta1 or -beta2 subunits are required for assembling of AMPK heterotrimers and are important for regulating enzyme activity and cellular localization. AMPK beta1beta2 null mouse muscles reveal an essential role for AMPK in maintaining mitochondrial content and glucose uptake during exercise. Phosphorylation by ULK1 and ULK2 inhibits AMPK activity.
UniProt Protein Details:

Protein type:Protein kinase, regulatory subunit; Autophagy

Chromosomal Location of Human Ortholog: 1q21.1

Cellular Component: nucleoplasm; cytosol; AMP-activated protein kinase complex

Molecular Function:AMP-activated protein kinase activity; identical protein binding; protein binding

Biological Process: mitochondrion organization and biogenesis; regulation of fatty acid biosynthetic process; organelle organization and biogenesis; insulin receptor signaling pathway; energy reserve metabolic process; carnitine shuttle; cellular lipid metabolic process; cell cycle arrest; regulation of protein kinase activity; signal transduction; protein amino acid phosphorylation; fatty acid biosynthetic process

NCBI Summary: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. AMPK 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. [provided by RefSeq, Jul 2013]
UniProt Code:O43741
NCBI GenInfo Identifier:3912957
NCBI Gene ID:5565
NCBI Accession:O43741.1
UniProt Related Accession:O43741
Molecular Weight:21kDa; 30kDa
NCBI Full Name:5'-AMP-activated protein kinase subunit beta-2
NCBI Synonym Full Names:protein kinase AMP-activated non-catalytic subunit beta 2
NCBI Official Symbol:PRKAB2  
NCBI Protein Information:5'-AMP-activated protein kinase subunit beta-2
UniProt Protein Name:5'-AMP-activated protein kinase subunit beta-2
Protein Family:5'-AMP-activated protein kinase
UniProt Gene Name:PRKAB2  
UniProt Entry Name:AAKB2_HUMAN
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