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C7688

Sigma-Aldrich

Chaperonin 60 from Escherichia coli

>95% (SDS-PAGE), recombinant, expressed in E. coli overproducing strain, lyophilized powder

Synonym(s):

Cpn60, GroEL

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About This Item

MDL number:
MFCD00163256
UNSPSC Code:
12352200
NACRES:
NA.32

biological source

Escherichia coli

Quality Level

200

recombinant

expressed in E. coli overproducing strain

Assay

>95% (SDS-PAGE)

form

lyophilized powder

technique(s)

electron microscopy: suitable
mass spectrometry (MS): suitable

suitability

passes test (Refolding (w/GroES))

UniProt accession no.

P10809

storage temp.

2-8°C

Gene Information

human ... HSPD1(3329)

General description

Research area: Cell Signaling

Chaperonin 60 (GroEL) and chaperonin 10 (GroES) belong to the ubiquitous family of heat-shock molecular chaperones found in prokaryotes and in eukaryotic organelles.

Application

Chaperonin 60 from Escherichia coli has been used:
  • in mass spectroscopy
  • in cryo-electron microscopy imaging as control for testing particle distribution
  • as standard in infrared spectrum measurements
  • as a protein sample for stability assessment and characterization studies using differential mobility analysis (DMA) and cryo-electron microscopy (cryo-EM).

Biochem/physiol Actions

Apart from its role in facilitating protein folding, chaperonin 60 (Cpn60) serves as an extracellular signaling protein, showing functional similarities to certain proinflammatory cytokines. Furthermore, Cpn60 contributes to the inhibition of lipid accumulation and adipogenesis during the initial stages of cellular differentiation, thereby exerting anti-obesity effects.

Packaging

Package size based on protein content.

Physical form

Lyophilized powder containing Tris buffer salts, potassium chloride, magnesium chloride, dithiothreitol, and trehalose as stabilizer.

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’.

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Abdalla Al Refaii et al.
Molecular microbiology, 71(3), 748-762 (2008-12-05)
In Escherichia coli strains carrying null mutations in either the dnaK or dnaJ genes, the late stages of 30S and 50S ribosomal subunit biogenesis are slowed down in a temperature-dependent manner. At high temperature (44 degrees C), 32S and 45S
Self-assembled monolayers improve protein distribution on holey carbon cryo-EM supports
Meyerson JR, et al.
Scientific Reports, 4(2), 7084-7084 (2014)
Surface-exposed chaperonin 60 derived from Propionibacterium freudenreichii MJ2 inhibits adipogenesis by decreasing the expression of C/EBP?/PPAR?
An M and Lim Y-H
Scientific Reports, 13(1), 19251-19251 (2023)
Separating and visualising protein assemblies by means of preparative mass spectrometry and microscopy
Benesch JLP, et al.
Journal of Structural Biology, 172(2), 161-168 (2010)
Raimond B G Ravelli et al.
Nature communications, 11(1), 2563-2563 (2020-05-24)
The increasing demand for cryo-electron microscopy (cryo-EM) reveals drawbacks in current sample preparation protocols, such as sample waste and lack of reproducibility. Here, we present several technical developments that provide efficient sample preparation for cryo-EM studies. Pin printing substantially reduces
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