AB226042

Anti-GRP78 BiP antibody [EPR4040(2)] - BSA and Azide free

RabMAb
Recombinant
What is this?

Be the first to review this product! Submit a review

(1 Publication)

Rabbit Recombinant Monoclonal GRP78 BiP antibody. Carrier free. Suitable for IHC-P, WB and reacts with Human, Mouse, Rat samples. Cited in 1 publication.

View Alternative Names

GRP78, HSPA5, Endoplasmic reticulum chaperone BiP, 78 kDa glucose-regulated protein, Binding-immunoglobulin protein, Heat shock protein 70 family protein 5, Heat shock protein family A member 5, Immunoglobulin heavy chain-binding protein, GRP-78, BiP, HSP70 family protein 5

3 Images

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-GRP78 BiP antibody [EPR4040(2)] - BSA and Azide free (AB226042)

IHC-P

Unknown

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-GRP78 BiP antibody [EPR4040(2)] - BSA and Azide free (AB226042)

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) analysis of Human ovarian cancer tissue sections labeling GRP78 BiP with Purified ab108613 at 1 : 500 dilution (1.17 �g/ml). Heat mediated antigen retrieval was performed using Perform heat mediated antigen retrieval using ab93684 (Tris/EDTA buffer, pH 9.0). ImmunoHistoProbe one step HRP Polymer (ready to use) was used as the secondary antibody. Negative control : PBS instead of the primary antibody. Hematoxylinwas used as a counterstain.This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab108613).

IHC-P

Unknown

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-GRP78 BiP antibody [EPR4040(2)] - BSA and Azide free (AB226042)

Immunohistochemical analysis of paraffin-embedded Human brain tissue using unpurified ab108613 at 1/250

This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab108613).

IHC-P

Unknown

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-GRP78 BiP antibody [EPR4040(2)] - BSA and Azide free (AB226042)

Immunohistochemical analysis of paraffin-embedded Human testis tissue using unpurified ab108613 at 1/250

This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab108613).

Unconjugated

Anti-GRP78 BiP antibody [EPR4040(2)]

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

EPR4040(2)

Isotype

IgG

Carrier free

Yes

Reacts with

Mouse, Rat, Human

Applications

IHC-P, WB

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

Specificity

Stimulation may be required to allow detection of the target protein due to low levels of endogenous expression in some samples. Please see images below for recommended treatment conditions and positive controls.

style

left-column

style

left-column

Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Species", "Dilution Info", "Notes"], "tabs": { "all-applications": {"fullname" : "All Applications", "shortname": "All Applications"}, "IHCP" : {"fullname" : "Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)", "shortname":"IHC-P"}, "WB" : {"fullname" : "Western blot", "shortname":"WB"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Human": { "IHCP-species-checked": "testedAndGuaranteed", "IHCP-species-dilution-info": "", "IHCP-species-notes": "(Heat to 98°C, allow to cool for 10-20 minutes).", "WB-species-checked": "guaranteed", "WB-species-dilution-info": "", "WB-species-notes": "" }, "Mouse": { "IHCP-species-checked": "notRecommended", "IHCP-species-dilution-info": "", "IHCP-species-notes": "", "WB-species-checked": "guaranteed", "WB-species-dilution-info": "", "WB-species-notes": "" }, "Rat": { "IHCP-species-checked": "notRecommended", "IHCP-species-dilution-info": "", "IHCP-species-notes": "", "WB-species-checked": "guaranteed", "WB-species-dilution-info": "", "WB-species-notes": "" } } }

style

left-column

Product details

ab226042 is the carrier-free version of ab108613.

Patented technology
Our RabMAb^® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb^® patents.

What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:

- High batch-to-batch consistency and reproducibility
- Improved sensitivity and specificity
- Long-term security of supply
- Animal-free batch production

For more information, read more on recombinant antibodies.

Conjugation ready
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.

Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with 1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.

Compatibility
This product is compatible with the Maxpar^® Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar^® is a trademark of Fluidigm Canada Inc.

style

left-column

Properties and storage information

Form

Liquid

Purification technique

Affinity purification Protein A

Storage buffer

pH: 7.2 - 7.4 Constituents: PBS

Shipped at conditions

Blue Ice

Appropriate short-term storage conditions

+4°C

Appropriate long-term storage conditions

+4°C

Storage information

Do Not Freeze

style

left-column

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

GRP78 also known as BiP or HSPA5 is a protein that plays an important role in protein folding and assembly within the endoplasmic reticulum (ER). It weighs approximately 78 kDa hence the name GRP78. This chaperone protein binds to hydrophobic regions of nascent polypeptides to prevent aggregation and misfolding. GRP78 is expressed in high levels in the ER of cells where it monitors cellular stress and aids in maintaining ER homeostasis.

Biological function summary

GRP78/BiP is important in the unfolded protein response (UPR) a cellular stress response related to the ER. It is part of a complex that manages protein load inside the ER by regulating the fold of nascent proteins and interacting with other ER stress sensors like IRE1 PERK and ATF6. This function is essential for maintaining proper protein conformation in the ER especially during physiological stress ensuring that only correctly folded proteins proceed to the Golgi apparatus.

Pathways

GRP78/BiP significantly affects the UPR and apoptosis pathways. By controlling protein folding and quality in the ER GRP78 helps prevent cell death under stress conditions. It works closely with other proteins like ATF6 which activates stress response genes. In normal conditions GRP78 keeps stress transducers inactivated but during stress it dissociates allowing UPR signaling to occur.

GRP78/BiP has been implicated in cancer and neurodegenerative diseases. Overexpression of GRP78 is associated with tumor proliferation and poor prognosis in various cancers as cancer cells heavily rely on its protein-folding capacity to survive. Additionally in neurodegenerative diseases misfolded proteins can accumulate leading GRP78 to attempt counteracting these toxic aggregations highlighting its connection with proteins like tau and amyloid-beta in diseases such as Alzheimer's.

style

left-column

style

left-column

Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:

Visit the General protocols
Visit the Troubleshooting

style

left-column

Target data

Endoplasmic reticulum chaperone that plays a key role in protein folding and quality control in the endoplasmic reticulum lumen (PubMed : 2294010, PubMed : 23769672, PubMed : 23990668, PubMed : 28332555). Involved in the correct folding of proteins and degradation of misfolded proteins via its interaction with DNAJC10/ERdj5, probably to facilitate the release of DNAJC10/ERdj5 from its substrate (By similarity). Acts as a key repressor of the EIF2AK3/PERK and ERN1/IRE1-mediated unfolded protein response (UPR) (PubMed : 1550958, PubMed : 11907036, PubMed : 19538957). In the unstressed endoplasmic reticulum, recruited by DNAJB9/ERdj4 to the luminal region of ERN1/IRE1, leading to disrupt the dimerization of ERN1/IRE1, thereby inactivating ERN1/IRE1 (By similarity). Also binds and inactivates EIF2AK3/PERK in unstressed cells (PubMed : 11907036). Accumulation of misfolded protein in the endoplasmic reticulum causes release of HSPA5/BiP from ERN1/IRE1 and EIF2AK3/PERK, allowing their homodimerization and subsequent activation (PubMed : 11907036). Plays an auxiliary role in post-translational transport of small presecretory proteins across endoplasmic reticulum (ER). May function as an allosteric modulator for SEC61 channel-forming translocon complex, likely cooperating with SEC62 to enable the productive insertion of these precursors into SEC61 channel. Appears to specifically regulate translocation of precursors having inhibitory residues in their mature region that weaken channel gating. May also play a role in apoptosis and cell proliferation (PubMed : 26045166).. (Microbial infection) Plays an important role in viral binding to the host cell membrane and entry for several flaviruses such as Dengue virus, Zika virus and Japanese encephalitis virus (PubMed : 15098107, PubMed : 28053106, PubMed : 33432092). Acts as a component of the cellular receptor for Dengue virus serotype 2/DENV-2 on human liver cells (PubMed : 15098107).. (Microbial infection) Acts as a receptor for CotH proteins expressed by fungi of the order mucorales, the causative agent of mucormycosis, which plays an important role in epithelial cell invasion by the fungi (PubMed : 20484814, PubMed : 24355926, PubMed : 32487760). Acts as a receptor for R.delemar CotH3 in nasal epithelial cells, which may be an early step in rhinoorbital/cerebral mucormycosis (RCM) disease progression (PubMed : 32487760).

See full target information HSPA5

style

left-column

Publications (1)

Recent publications for all applications. Explore the full list and refine your search

Cell reports 33:108253 PubMed33053339

2020

PAI-1-Dependent Inactivation of SMAD4-Modulated Junction and Adhesion Complex in Obese Endometrial Cancer.

Applications

Unspecified application

Species

Unspecified reactive species

Li-Ling Lin,Edward R Kost,Chun-Lin Lin,Philip Valente,Chiou-Miin Wang,Mikhail G Kolonin,Alexes C Daquinag,Xi Tan,Nicholas Lucio,Chia-Nung Hung,Chen-Pin Wang,Nameer B Kirma,Tim H-M Huang

View all publications

style

left-column

style

left-column

style

right-column

Product promise

We are committed to supporting your work with high-quality reagents, and we're here for you every step of the way. In the unlikely event that one of our products does not perform as expected, you're protected by our Product Promise.

For full details, please see our Terms & Conditions

Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.

For licensing inquiries, please contact partnerships@abcam.com

Anti-GRP78 BiP antibody [EPR4040(2)] - BSA and Azide free

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-GRP78 BiP antibody [EPR4040(2)] - BSA and Azide free (AB226042)

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-GRP78 BiP antibody [EPR4040(2)] - BSA and Azide free (AB226042)

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-GRP78 BiP antibody [EPR4040(2)] - BSA and Azide free (AB226042)

Related conjugates and formulations (1)

Key facts

Host species

Clonality

Clone number

Isotype

Carrier free

Reacts with

Applications

Immunogen

Specificity

Alternative Products

Primary Antibodies

Primary Antibodies

Primary Antibodies

Primary Antibodies

Primary Antibodies

Primary Antibodies

Primary Antibodies

Primary Antibodies

Primary Antibodies

Complementary Products

Assay Kits

Secondary Antibodies

Primary Antibodies

Primary Antibodies

Primary Antibodies

Reactivity data

Product details

Properties and storage information

Form

Purification technique

Storage buffer

Shipped at conditions

Appropriate short-term storage conditions

Appropriate long-term storage conditions

Storage information

Supplementary information

Biological function summary

Pathways

Product protocols

Target data

Publications (1)

Product promise