Product Name: HSP70/HSC70 (pan)

Product Number: AB-NN060-13

Size:	25 µg		Price:	89.00
			$US

Target Full Name: Heat shock 70 kDa protein

Target Alias: HSC54; HSC71; HSC73; HSP71; HSP73; HSPA10; HSPA8; LAP1; NIP71; HSC70

Product Type Specific: Heat shock/stress protein pan-specific antibody

Antibody Code: NN060-13

Antibody Target Type: Pan-specific

Antibody Type: Polyclonal

Antibody Host Species: Rabbit

Antibody Ig Isotype Clone: N/A

Antibody Immunogen Source: The target peptide is a sequence conserved in all known HSP70 and HSC70 proteins

Production Method: Affinity purified

Antibody Modification: Unconjugated. Contact KInexus if you are interest in having the antibody biotinylated or coupled with fluorescent dyes.

Storage Buffer: Phosphate buffered saline pH7.4, lyophilized

Storage Conditions: For long term storage, keep frozen at -40°C or lower. Stock solution can be kept at +4°C for more than 3 months. Avoid repeated freeze-thaw cycles.

Product Use: Western blotting

Antibody Dilution Recommended: WB (1:1000); optimal dilutions for assays should be determined by the user.

Antibody Potency: In mouse brain lysates, this antibody strongly detects a ~70 kDa protein by Western blotting.

Antibody Species Reactivity: Fish | Mammals | Plant (A. thaliana, L. satvia, R. Sativa)

Antibody Positive Control: 1 ug/ml of SPC-311 was sufficient for detection of HSP70/HSC70 in 1 mg wet plant sample extract by colorimetric immunoblot analysis using Goat anti-rabbit IgG:HRP as the secondary antibody.

Antibody Cross Reactivity: No other prominent cross-reactive proteins in mouse brain lysates.

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Scientific Background: HSP70 genes encode abundant heat-inducible 70-kDa HSPs (HSP70s). In most eukaryotes HSP70 genes exist as part of a multigene family. They are found in most cellular compartments of eukaryotes including nuclei, mitochondria, chloroplasts, the endoplasmic reticulum and the cytosol, as well as in bacteria. The genes show a high degree of conservation, having at least 5O% identity (1). The N-terminal two thirds of HSP70s are more conserved than the C-terminal third. HSP70 binds ATP with high affinity and possesses a weak ATPase activity which can be stimulated by binding to unfolded proteins and synthetic peptides (2). When HSC70 (constitutively expressed) present in mammalian cells was truncated, ATP binding activity was found to reside in an N-terminal fragment of 44 kDa which lacked peptide binding capacity. Polypeptide binding ability therefore resided within the C-terminal half (3). The structure of this ATP binding domain displays multiple features of nucleotide binding proteins (4). When cells are subjected to metabolic stress (e.g., heat shock) a member of the HSP 70 family, HSP 70 (HSP72), is expressed; HSP 70 is highly related to HSC70 (>90% sequence identity). Constitutively expressed HSC70 rapidly forms a stable complex with the highly inducible HSP70 in cells following heat shock. The interaction of HSC70 with HSP 70 is regulated by ATP. These two heat shock proteins move together in the cell experiencing stress. Furthermore, research on HSC70 has implicates it with a role in facilitating the recovery of centrosomal structure and function after heat shock (5). Looking for more information on HSP70? Visit our new HSP70 Scientific Resource Guide at http://www.HSP70.com.

References

[1] Boorstein W.R., Ziegelhoffer T., and Craig E.A. (1993) J. Mol. Evol. 38(1): 1-17.

[2] Rothman J. (1989) Cell. 59: 591-601.

[3] DeLuca-Flaherty et al. (1990) Cell. 62: 875-887.

[4] Bork P., Sander C., and Valencia A. (1992) Proc. Natl Acad. Sci. USA. 89: 7290-7294.

[5] Brown C.L. et al. (1996) J. Biol. Chem. 271(2): 833-840.