AP-140

Material Data Sheet

HSP60/HSPD1

Price: $249.00
Catalog #: AP-140

HSP60/HSPD1

Price: 
$249
Quantity: 
50 µg
Data Sheet: 

HSP60 (also known as Chaperonin 60) is the eukaryotic homologue of prokaryotic GroEL chaperone.  This protein is found mainly in mitochondria, but can also be detected in cytosol and extracellular fluids including peripheral blood.  HSP60 and HSP10 (also known as Chaperonin 10) form a complex that plays an essential role in the translocation and refolding of proteins from the cytosol into the mitochondrial matrix. Under physiological conditions, HSP60 creates two stacked heptameric rings that form a pair of central hydrophobic cavities.  After an unfolded substrate protein enters one of the cavities it is capped by a heptameric HSP10 complex, thereby trapping the unfolded protein.  Structural rearrangement of the substrate-containing cavity is effected via HSP60-mediated ATP hydrolysis; this changes the lining of the cavity from hydrophobic to hydrophilic and helps promote refolding of the substrate protein.  Binding of ATP to HSP60 subunits on the distal ring of the complex then causes the dissociation of the HSP10 cap complex and concomitant release of the substrate protein from the proximal cavity.  If the protein is not completely folded, it can be further processed by the HSP60/HSP10 complex, or can interact with other chaperoning systems.

Product Information

Stock: 
X mg/ml (X mM) in 50 mM HEPES pH 7.5, 100 mM NaCl, 1 mM TCEP
MW: 
61 kDa
Purity: 
> 85% by SDS-PAGE under reducing conditions and visualized by Colloidal Coomassie Blue stain

Use & Storage

Use: 

Typical enzyme concentration for use in vitro is dependent on specific application.

Storage: 

Store at -80°C. Avoid multiple freeze/thaw cycles.

Literature

References: 

Cappello F, et al.  (2008)  Cancer Biol. Therapy  7: 801-809

Hartl F.U. & Hayer-Hartl M. (2009)  Nat. Struc. Mol. Biol.  16: 574-581