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You are here:Home » Antibodies » Antibodies-Heat Shock Proteins » Anti -Heat Shock Cognate Protein 70 (HSC70, HSP73)

Anti -Heat Shock Cognate Protein 70 (HSC70, HSP73)


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Clone Host Grade Applications
Polyclonal Rabbit Affinity Purified B
The 70 kD heat shock cognate protein, Hsc70 is closely related biochemically and biologically to Hsp70 and is part of the Hsp70 family which contains a number of highly-related protein isoforms ranging in size from 66kD to 78kD. These proteins include both cognate members which are found within major intracellular compartments and highly inducible isoforms which appear to be predominantly cytoplasmic or nuclear in distribution (1). Members of the Hsp70 family are molecular chaperones which are involved in many cellular functions such as protein folding, transport, maturation and degradation and they exert their function in an ATP-dependent manner. The molecular chaperones of the Hsp70 family recognize and bind to nascent polypeptide chains as well as partially folded intermediates of proteins preventing their aggregation and misfolding and the binding of ATP triggers a critical conformational change leading to the release of the bound substrate protein (2). Recent data has demonstrated that BAG-1 which possesses a ubiquitin-like domain at its amino terminus modulates the chaperone activity of Hsc70 and Hsp70. These findings reveal a role of BAG-1 as a physical link between the Hsc70/Hsp70 chaperone system and the proteasome (3). There is also experimental data which shows that the ATPase domain and the substrate binding domain of Hsc70 cooperate and form a cochaperone-chaperone complex with the synaptic vesicle cysteine string protein (csp) which is essential for normal neurotransmitter release (4).
Suitable for use in Western Blot. Other applications have not been tested.
Catalog #H1831-25
Recommended DilutionWestern Blot (Colorimetric): 1:1000
Optimal dilutions to be determined by researcher.
Positive Controls:
Recombinant Bovine Hsc70 Protein and HeLa Cell Lysate
Storage and StabilityMay be stored at 4°C for short-term only. For long-term storage, aliquot and store at -20°C. Aliquots are stable for at least 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Clone TypePolyclonal
FormSupplied as a liquid in PBS, pH 7.2, 0.09% sodium azide, 50% glycerol.
PurityPurified by Protein A affinity chromatography.
ImmunogenA 13 residue synthetic peptide based on the human Hsc70 (residues 556-568). The peptide antibody was produced using MAP (ìmulitiple antigenic peptideî) resin technology.
SpecificityRecognizes human Hsc70 at ~73kD. Species Crossreactivity: mouse, rat, bovine, canine, guinea pig, hamster, monkey, porcine, rabbit and sheep.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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