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MABS443

Sigma-Aldrich

Anti-GRP78 Antibody, clone C38

clone C38, from mouse

Synonym(s):

78 kDa glucose-regulated protein, GRP-78, Endoplasmic reticulum lumenal Ca(2+)-binding protein grp78, Heat shock 70 kDa protein 5, Immunoglobulin heavy chain-binding protein, BiP

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About This Item

UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41

biological source

mouse

Quality Level

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

C38, monoclonal

species reactivity

human

technique(s)

flow cytometry: suitable

isotype

IgG2bκ

NCBI accession no.

UniProt accession no.

shipped in

wet ice

target post-translational modification

unmodified

Gene Information

human ... HSPA5(3309)

Related Categories

General description

The gene HSPA5 encodes a protein named GRP-78 (78 kDa glucose-regulated protein) also known as BiP (immunoglobulin heavy chain-binding protein) or heat shock 70 kDa protein 5. While originally discovered as one of set of genes that were induced upon cellular starvation and stress, HSPA5 encoded GRP-78 is now known to be an important member of the heat-shock family of proteins. The HSPA5 encoded GRP-78 protein appears to play a role in helping in the assembly of multimeric protein complexes in the endoplasmic reticulum (ER). Cellular localization is in the endoplasmic reticulum lumen and appears as cytoplasmic-like staining. The HSPA5 encoded protein is an essential component of the translocation processes within the endoplasmic reticulum and also functions in the retrograde transport across the ER membrane of incorrectly folded proteins destined to be degraded by the ubiquitin proteasome system. The HSPA5 encoded protein, while widely expressed in all cells types under normal conditions, is particularly induced under conditions of cellular stress, heat, or toxins and conditions which lead to the accumulation of unfolded proteins in the ER.

Immunogen

Recombinant protein corresponding to human GRP78.

Application

Anti-GRP78 Antibody, clone C38 detects level of GRP78 & has been published & validated for use in GRP78.
Flow Cytometry Analysis: A representative lot from an independent laboratory detected GRP78 in HepG2 cells (de Ridder, G. G., et al. (2012). Melanoma Res. 22(3):225-235.).
Research Category
Signaling
Research Sub Category
Insulin/Energy Signaling

Quality

Evaluated by Flow Cytometry in HeLa cells.

Flow Cytometry Analysis: 1 µg of this antibody detected GRP78 in 1X10E6 HeLa cells.

Target description

72 kDa calculated

Physical form

Format: Purified
Protein G Purified
Purified mouse monoclonal IgG2bκ in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.

Storage and Stability

Stable for 1 year at 2-8°C from date of receipt.

Other Notes

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Vijay Ramakrishnan et al.
Oncotarget, 7(35), 56253-56265 (2016-08-06)
Bcl2 and IAP families are anti-apoptotic proteins deregulated in multiple myeloma (MM) cells. Pharmacological inhibition of each of these families has shown significant activity only in subgroups of MM patients. Here, we have examined a broad-spectrum Bcl2 family inhibitor Obatoclax
Gustaaf G de Ridder et al.
Melanoma research, 22(3), 225-235 (2012-04-13)
The HSP70 family member GRP78 is a selective tumor marker upregulated on the surface of many tumor cell types, including melanoma, where it acts as a growth factor receptor-like protein. Receptor-recognized forms of the proteinase inhibitor α2-macroglobulin (α2M*) are the

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