Date published: 2026-6-1

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ERp57 Antibody (4E69): sc-71075

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Datasheets
  • ERp57 Antibody (4E69) is a mouse monoclonal IgG1 κ, cited in 3 publications, provided at 200 µg/ml
  • raised against recombinant human ERp57
  • recommended for detection of ERp57 of mouse, rat and human origin by WB, IP and IF; also reactive with additional species, including canine
  • m-IgG Fc BP-HRP is the preferred secondary detection reagent for ERp57 Antibody (4E69) for WB applications. This reagent is now offered in a bundle with ERp57 Antibody (4E69) (see ordering information below).
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ERp57 Antibody (4E69) is a mouse monoclonal IgG1 antibody that detects ERp57 in mouse, rat, and human samples through applications such as western blotting (WB), immunoprecipitation (IP), and immunofluorescence (IF). ERp57, also known as GRP57, GRP58, ERp60, and ERp61, plays a crucial role in the major histocompatibility complex (MHC) class I pathway, which is essential for the immune response against intracellular pathogens. ERp57 is primarily located in the endoplasmic reticulum, where ERp57 interacts with MHC class I molecules and chaperones, facilitating proper folding and assembly of these molecules before presenting antigens to cytotoxic T lymphocytes. ERp57′s localization in the endoplasmic reticulum ensures MHC class I molecules are correctly processed and presented on the cell surface, enabling the immune system to recognize and eliminate infected cells. The human ERp57 gene, located on chromosome 15q15, encodes a 505 amino acid protein containing two conserved Trp-Cys-Gly-His-Cys-Lys motifs, highlighting evolutionary importance. ERp57 may exhibit multifunctional properties, acting as a protease, protein disulfide isomerase, or phospholipase, which further underscores significance in maintaining cellular homeostasis and immune function. Anti-ERp57 antibody (4E69) is an invaluable tool for researchers studying the intricacies of immune responses and molecular mechanisms underlying antigen presentation.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

ERp57 Antibody (4E69) References:

  1. ERp57 modulates STAT3 signaling from the lumen of the endoplasmic reticulum.  |  Coe, H., et al. 2010. J Biol Chem. 285: 6725-38. PMID: 20022947
  2. ERp57 modulates mitochondrial calcium uptake through the MCU.  |  He, J., et al. 2014. FEBS Lett. 588: 2087-94. PMID: 24815697
  3. The disulfide isomerase ERp57 is required for fibrin deposition in vivo.  |  Zhou, J., et al. 2014. J Thromb Haemost. 12: 1890-7. PMID: 25156521
  4. Functional Role of the Disulfide Isomerase ERp57 in Axonal Regeneration.  |  Castillo, V., et al. 2015. PLoS One. 10: e0136620. PMID: 26361352
  5. Increased ERp57 Expression in HBV-Related Hepatocellular Carcinoma: Possible Correlation and Prognosis.  |  Liu, M., et al. 2017. Biomed Res Int. 2017: 1252647. PMID: 28373975
  6. Protein disulfide isomerase ERp57 protects early muscle denervation in experimental ALS.  |  Rozas, P., et al. 2021. Acta Neuropathol Commun. 9: 21. PMID: 33541434
  7. ER Stress in ERp57 Knockout Knee Joint Chondrocytes Induces Osteoarthritic Cartilage Degradation and Osteophyte Formation.  |  Rellmann, Y., et al. 2021. Int J Mol Sci. 23: PMID: 35008608
  8. PDIA3/ERp57 promotes a matrix-rich secretome that stimulates fibroblast adhesion through CCN2.  |  Hellewell, AL., et al. 2022. Am J Physiol Cell Physiol. 322: C624-C644. PMID: 35196163
  9. Distinct role of ERp57 and ERdj5 as a disulfide isomerase and reductase during ER protein folding.  |  Robinson, PJ., et al. 2023. J Cell Sci. 136: PMID: 36655611
  10. Erp57 facilitates ZIKV-induced DNA damage via NS2B/NS3 complex formation.  |  Wang, Y., et al. 2024. Emerg Microbes Infect. 13: 2417864. PMID: 39404735

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

ERp57 Antibody (4E69)

sc-71075
200 µg/ml
$322.00

ERp57 Antibody (4E69): m-IgG Fc BP-HRP Bundle

sc-539342
200 µg Ab; 10 µg BP
$361.00

Hello. I would be interested to know if the epitope of this antibody is known. Best regards.

Asked by: Sandrine
Thank you for your question. ERp57 Antibody (4E69): sc-71075 was raised against recombinant human ERp57. No epitope mapping has been performed up to now, so its exact epitope is not known at this point in time.
Answered by: Tech Support Europe
Date published: 2024-10-15

What is the recommended fixation method for immunofluorescence staining with ERp57 (4E69): sc-71075 monoclonal antibody?

Asked by: AbPolly
Thank you for your inquiry. We recommend fixing cells for 5 minutes in -10°C methanol and allowing to air dry. The full protocol can be viewed here: https://www.scbt.com/scbt/resources/protocols/immunofluorescence-cell-staining
Answered by: Technical Support
Date published: 2017-02-27
  • y_2026, m_6, d_1, h_13CST
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Rated 4 out of 5 by from WBWB, IHC and IHCP publishable data with human L-02, and liver - SCBT Publication Review
Date published: 2015-02-14
Rated 4 out of 5 by from Strong positive signal seen in WB in nonStrong positive signal seen in WB in non-transfected 293T, human ERp57 transfected 293T and Daudi whole cell lysates. -SCBT QC
Date published: 2015-02-05
Rated 4 out of 5 by from Great immunofluorescence cytoplasmic stainingGreat immunofluorescence cytoplasmic staining in methanol-fixed HeLa cells. -SCBT QC
Date published: 2013-06-12
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ERp57 Antibody (4E69) is rated 4.0 out of 5 by 3.
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