|The HSPA2 hsp70 (Catalog #MBS800955) is an Antibody produced from Mouse and is intended for research purposes only. The product is available for immediate purchase. The Hsp70/Hsc70 Antibody: ATTO 700 reacts with Human, Mouse, Rat, Sheep, Dog, Beluga, Bovine, Fish, Guinea pig, Scallop pig, Hamster, Rabbit, Chicken, Xenopus, Drosophila, Yeast and may cross-react with other species as described in the data sheet. MyBioSource\'s Hsp70/Hsc70 can be used in a range of immunoassay formats including, but not limited to, Westen Blot (WB), Immunoprecipitation (IP), Immunohistochemistry (IHC), Protein-binding Assay.
1ug/ml was sufficient for detection of hsp70/Hsc70 in 20ug of HeLa lysate. Researchers should empirically determine the suitability of the HSPA2 hsp70 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process.
The HSPA2 hsp70 product has the following accession number(s) (GI #55742654) (NCBI Accession #NP_001006686.1) (Uniprot Accession #P08106). Researchers may be interested in using Bioinformatics databases such as those available at The National Center for Biotechnology Information (NCBI) website for more information about accession numbers and the proteins they represent. Even researchers unfamiliar with bioinformatics databases will find the NCBI databases to be quite user friendly and useful.
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Please refer to the product datasheet for known applications of a given antibody. We\'ve tested the Hsp70/Hsc70 Antibody: ATTO 700 with the following immunoassay(s):
Testing Data (Western blot analysis of Hsp70/Hsc70 in Hela cell lysates using a 1:1000 dilution.)
Testing Data #2 (Hsp70/Hsc70 detection in paraffin embedded liver sections and nuclear sections of rat hepatocytes by staining with BB70. First pictures in series show two hours after exposure to stress, the second shows the control.)
Background Info: Detects ~72 and ~73kDa proteins corresponding to the molecular mass of inducible Hsp and Hsc on SDS PAGE immunoblots.
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 (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 44 kDa 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). All hsp70s, regardless of location, bind proteins, particularly unfolded ones. 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. The binding of ATP triggers a critical conformational change leading to the release of the bound substrate protein (6). The universal ability of hsp70s to undergo cycles of binding to and release from hydrophobic stretches of partially unfolded proteins determines their role in a great variety of vital intracellular functions such as protein synthesis, protein folding and oligomerization and protein transport.