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SAE0021

Sigma-Aldrich

Pyruvate Kinase M2 human

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

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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
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.

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

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Yeonjin Ko et al.
Proceedings of the National Academy of Sciences of the United States of America, 120(20), e2300763120-e2300763120 (2023-05-08)
KEAP1 (Kelch-like ECH-associated protein), a cytoplasmic repressor of the oxidative stress responsive transcription factor Nuclear factor erythroid 2-related factor 2 (NRF2), senses the presence of electrophilic agents by modification of its sensor cysteine residues. In addition to xenobiotics, several reactive
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)
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)
Sagarkumar Patel et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 170, 106112-106112 (2022-01-01)
Discovery of novel and potent lead molecules for the specific therapeutic targets by de novo drug design is still in infancy. Here, we disclose the unprecedented development of imidazopyri(mi)dine-based tumor pyruvate kinase M2 (PKM2) modulators by subsequent link and grow strategy. The most potent
PKM2 Phosphorylates Histone H3 and Promotes Gene Transcription and Tumorigenesis.
Yang W, et al.
Cell, 150(4), 685-696 (2012)

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