Thermo Fisher Scientific GRP78 Monoclonal Antibody (4E3)

Applications

Tested Dilution

Publications

Western Blot (WB)

1:500-1:2,000

View 1 publication 1 publication

Immunohistochemistry (Paraffin) (IHC (P))

1:200-1:1,000

-

ELISA (ELISA)

1:10,000

-

Product Specifications

Species Reactivity

Human, Mouse

Published species

Not Applicable

Host/Isotype

Mouse / IgG1

Class

Monoclonal

Type

Antibody

Clone

4E3

Immunogen

Purified recombinant fragment of human HSPA5 expressed in E. Coli.

Conjugate

Unconjugated Unconjugated Unconjugated

Form

Liquid

Concentration

Conc. Not Determined

Storage buffer

ascites

Contains

0.03% sodium azide

Storage conditions

Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.

Shipping conditions

Wet ice

RRID

AB_10983538

Product Specific Information

MA5-15619 targets HSPA5 in indirect ELISA, IHC and WB applications and shows reactivity with Human samples.

The MA5-15619 immunogen is purified recombinant fragment of human HSPA5 expressed in E. Coli.

MA5-15619 detects HSPA5 which has a predicted molecular weight of approximately 78kDa.

Target Information

GRP78 is a 78 kDa glucose regulated protein that belongs to the family of heat shock proteins that include HSP70. GRP78 is a resident protein of the endoplasmic reticulum (ER) and associates transiently with a variety of newly synthesized secretory and membrane proteins. GRP78 may also interact with mutant and misfolded proteins, marking them for degradation. The highly conserved sequence Lys-Asp-Glu-Leu (KDEL) is present at the C-terminus of GRP78 and other resident ER proteins including glucose regulated protein 94 (GRP94) and protein disulfide isomerase (PDI). The KDEL signal is recognized by the KDEL receptor and this interaction ensures recycling of escaped ER proteins back to the ER. GRP78s involvement in correct folding of proteins and degradation of misfolded proteins is via its interaction with DNAJC10, probably to facilitate the release of DNAJC10 from its substrate. GRP78 is critical for maintenance of cell homeostasis and the prevention of apoptosis. GRP78 protein levels have been shown to be a reliable biomarker of hypoglycemia and serves a neuroprotective function in neurons exposed to glutamate and oxidative stress. GRP78 levels are reduced in the brains of Alzheimers Disease patients, and decreased expression of GRP78 is found associated with missense mutations in the human presenilin-1 (PS1) gene. Further, the induction of the GRP78 protein has been associated with the development of drug-resistance to antitumor drugs.

For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.