Skip to Content
Merck
All Photos(1)

Documents

83330

Sigma-Aldrich

Pyruvate Kinase from rabbit muscle

crystalline suspension in 3.8 M ammonium sulfate solution, ~350 U/mg protein (10-40 mg/ml)

Synonym(s):

ATP:pyruvate 2-O-phosphotransferase, PK

Sign Into View Organizational & Contract Pricing


About This Item

CAS Number:
Enzyme Commission number:
EC Number:
MDL number:
UNSPSC Code:
12352204
eCl@ss:
32160410
NACRES:
NA.54

form

suspension

quality

crystalline suspension in 3.8 M ammonium sulfate solution

specific activity

~350 U/mg protein (10-40 mg/ml)

mol wt

Mr ~230000

pH

~6

foreign activity

lactate dehydrogenase ≤0.01%

storage temp.

2-8°C

Looking for similar products? Visit Product Comparison Guide

Biochem/physiol Actions

Molecular Weight: 237 kDa and exists as a tetramer of four equal subunits of molecular weight 57 kDa.
Isoelectric Point: 7.6
Optimal pH: ∼7.5
Optimal Temperature: 25°C
ΕA280 = 0.54 for 1 mg(p)/ml, 1 cm path
Reported KM values are ATP (0.86 mM), pyruvate (10 mM), ADP (0.3 mM), and PEP (0.07 mM) in Tris buffer at pH 7.4 and 30 °C. Pyruvate kinase is highly specific for phosphoenolpyruvate, but can utilize other dinucleotide triphosphates as substrates in place of ATP including GTP, ITP, dATP, UTP, and CTP.
Pyruvate kinase catalyzes the conversion of phosphoenolpyruvate to pyruvate, whitch is the rate-limiting final step in glycolysis.

Unit Definition

1 U corresponds to the amount of enzyme which catalyzes the transphosphorylation of 1 μmol PEP per min at pH 7.4 and 25 °C

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Daniel I Benjamin et al.
Cell metabolism, 16(5), 565-577 (2012-10-16)
Cancer cells possess fundamentally altered metabolism that provides a foundation to support tumorigenicity and malignancy. Our understanding of the biochemical underpinnings of cancer has benefited from the integrated utilization of large-scale profiling platforms (e.g., genomics, proteomics, and metabolomics), which, together
Nicolas Galazis et al.
European journal of endocrinology, 168(2), R33-R43 (2012-10-25)
Women with polycystic ovary syndrome (PCOS) are at increased risk of developing insulin resistance and type 2 diabetes mellitus (T2DM). In this study, we attempted to list the proteomic biomarkers of PCOS and T2DM that have been published in the
William J Cook et al.
PloS one, 7(10), e46875-e46875 (2012-10-12)
Pyruvate kinase plays a critical role in cellular metabolism of glucose by serving as a major regulator of glycolysis. This tetrameric enzyme is allosterically regulated by different effector molecules, mainly phosphosugars. In response to binding of effector molecules and substrates
Saroj Kumar et al.
The journal of physical chemistry. B, 116(48), 13968-13974 (2012-11-16)
Drug development is impeded by the need to design for each drug target a test that detects the binding of drug candidate molecules to the target protein. Therefore, a general method to detect ligand binding is highly desirable. Here, we
Weidong Zhou et al.
Cancer genomics & proteomics, 9(6), 373-381 (2012-11-20)
A variety of genomic and proteomic tools have been used to study cancer metabolism and metabolomics in order to understand how cancer cells survive in their environment. Throughout the past decade, mass spectrometry has been routinely used for large-scale protein

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service