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Product Pathways - Protein Folding

HSP70 (D69) Antibody #4876

Item# Description List Price Web Price Qty
4876S HSP70 (D69) Antibody - 100 µl $383.00
$344.70
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*On-line ordering is for Canadian customers only. Web pricing is applicable only to orders placed online at www.neb.ca
VIEW COMPANION PRODUCTS HIDE COMPANION PRODUCTS
Application Dilution Species-Reactivity Sensitivity MW (kDa) Source
W Human, Mouse, Rat, Monkey Endogenous 70 Rabbit

Species cross-reactivity is determined by western blot.

Applications Key: W=Western Blotting

Protocols

Specificity / Sensitivity

HSP70 (D69) Antibody detects endogenous levels of total HSP70 protein.

Source / Purification

Polyclonal antibodies are produced by immunizing animals with a synthetic peptide surrounding Asp69 of human HSP70. Antibodies are purified by protein A and peptide affinity chromatography.

Western Blotting

Western Blotting

Western blot analysis of extracts from HeLa, NIH/3T3 and C6 cells, using HSP70 (D69) Antibody.

Background

HSP70 and HSP90 are molecular chaperones expressed constitutively under normal conditions to maintain protein homeostasis and are induced upon environmental stress (1). Both HSP70 and HSP90 are able to interact with unfolded proteins to prevent irreversible aggregation and catalyze the refolding of their substrates in an ATP- and co-chaperone-dependent manner (1). HSP70 has a broad range of substrates including newly synthesized and denatured proteins, while HSP90 tends to have a more limited subset of substrates, most of which are signaling molecules. HSP70 and HSP90 often function collaboratively in a multi-chaperone system, which requires a minimal set of co-chaperones: HSP40, Hop, and p23 (2,3). The co-chaperones either regulate the intrinsic ATPase activity of the chaperones or recruit chaperones to specific substrates or subcellular compartments (1,4). When the ubiquitin ligase CHIP associates with the HSP70/HSP90 complex as a cofactor, the unfolded substrates are subjected to degradation by the proteasome (4). The biological functions of HSP70/HSP90 extend beyond their chaperone activity. They are essential for the maturation and inactivation of nuclear hormones and other signaling molecules (1,3). They also play a role in vesicle formation and protein trafficking (2).

Application References

  • Matsuyama, M. et al. (2013) J Biol Chem , . Applications: Western Blotting.

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