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

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

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Specifications

Clone Host Grade Applications
Polyclonal Rabbit Serum B IP IH IF
Hsp70 genes encode abundant heat-inducible 70kD 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 (2). 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 (3). When hsc70 (constitutively expressed) present in mammalian cells was truncated, ATP binding activity was found to reside in an N-terminal fragment of 44kD which lacked peptide binding capacity. Polypeptide binding ability therefore resided within the C-terminal half (4). The structure of this ATP binding domain displays multiple features of nucleotide binding proteins (5). 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 (6).
Catalog #H1830-95P
ApplicationsSuitable for use in Immunofluorescence, Western Blot, Immunoprecipitation, Immunohistochemistry and Blocking. Other applications not tested.
Recommended DilutionsWestern Blot: 1:1500-1:2000
Optimal dilutions to be determined by the researcher.
Storage and StabilityMay be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for at least 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Clone TypePolyclonal
IsotypeIgG
HostRabbit
SourceHuman
ConcentrationNot Determined
FormSupplied as a liquid.
PuritySerum
ImmunogenSynthetic peptide corresponding to aa618-637 of human hsc70.
SpecificityRecognizes human hsc70 at ~73kD. Does not crossreact with HSP70. Species Crossreactivity: hamster and rat.
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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