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SAE0021

Sigma-Aldrich

Pyruvate Kinase M2 human

recombinant, expressed in E. coli, specific activity ≥100 unit/mg protein

Synonym(s):

Cytosolic Thyroid hormone-binding protein (CTHBP), M2-PK, OPA-interacting protein 3 (OIP-3), PKM2, Pyruvate kinase 3 (PK3), Pyruvate kinase muscle isozyme, p58

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About This Item

UNSPSC Code:
12352204
NACRES:
NA.54

recombinant

expressed in E. coli

Quality Level

form

lyophilized powder

specific activity

≥100 units/mg protein

shipped in

ambient

storage temp.

−20°C

General description

This product is recombinant human PKM2 (P14618) expressed in E. coli and has a predicted molecular mass of 58 kDa.
The embryonic pyruvate kinase M2 (PKM2) is one of the isoforms of pyruvate kinases (PK), found in mammals. It is coded by the PKM2 gene mapped to human chromosome 15q23. PKM2 is expressed in all cells excluding adult muscle, brain and liver. This protein is usually present as an active tetrameric form.

Application

Human pyruvate kinase M2 (PKM2) has been used to study the effects of phosphorylated PKM2 in inactivating myofibroblasts during renal fibrosis.

Biochem/physiol Actions

Pyruvate kinase (PK) is an important glycolytic enzyme catalyzing the last step of glycolysis, transferring a phosphate group from phosphoenolpyruvate to ADP to yield one molecule of ATP and one molecule of pyruvate.
The embryonic pyruvate kinase M2 (PKM2) controls β-catenin transactivation. It plays an important role in aerobic glycolysis or the Warburg effect. PKM2 induces gene transcription and tumorigenesis.

Unit Definition

One unit will convert 1.0 μmole of phosphoenol-pyruvate to pyruvate per minute at pH 7.6 at 37 °C, in the presence of 1 mM fructose-1,6-bisphosphate.

Physical form

Supplied as a lyophilized powder containing phosphate buffer at pH7.5, NaCl, DTT and a carbohydrate stabilizer.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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PKM2 Phosphorylates Histone H3 and Promotes Gene Transcription and Tumorigenesis.
Yang W, et al.
Cell, 150(4), 685-696 (2012)
Pyruvate kinase isoenzyme M2 expression correlates with survival of cardiomyocytes after allogeneic rat heterotopic heart transplantation.
Shi J, et al.
Pathology Research and Practice, 211(1), 12-19 (2015)
Inhibiting aerobic glycolysis suppresses renal interstitial fibroblast activation and renal fibrosis
Ding H, et al.
American Journal of Physiology: Renal Physiology, 313(3), F561-F575 (2017)
Gilles A Spoden et al.
Experimental cell research, 315(16), 2765-2774 (2009-07-01)
The glycolytic key regulator pyruvate kinase M2 (M2-PK or PKM2) can switch between a highly active tetrameric and an inactive dimeric form. The transition between the two conformations regulates the glycolytic flux in tumor cells. We developed specific M2-PK-binding peptide
Hao Ding et al.
American journal of physiology. Renal physiology, 313(3), F561-F575 (2017-02-24)
Chronic kidney diseases generally lead to renal fibrosis. Despite great progress having been made in identifying molecular mediators of fibrosis, the mechanism that governs renal fibrosis remains unclear, and so far no effective therapeutic antifibrosis strategy is available. Here we

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