Date published: 2026-5-3

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ERp72 Antibody (B-4): sc-390530

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Datasheets
  • ERp72 Antibody (B-4) is a mouse monoclonal IgG1 κ ERp72 antibody, cited in 3 publications, provided at 200 µg/ml
  • specific for an epitope mapping between amino acids 617-645 of ERp72 of human origin
  • ERp72 Antibody (B-4) is recommended for detection of ERp72 of mouse, rat, human and avian origin by WB, IP, IF, IHC(P) and ELISA; also reactive with additional species, including bovine and avian
  • Anti-ERp72 Antibody (B-4) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to biotin for WB, IHC(P) and ELISA
  • m-IgG Fc BP-HRP is the preferred secondary detection reagent for ERp72 Antibody (B-4) for WB and IHC(P) applications. This reagent is now offered in a bundle with ERp72 Antibody (B-4) (see ordering information below).
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ERp72 Antibody (B-4) is a mouse monoclonal IgG1 kappa light chain antibody that detects ERp72 protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry, and enzyme-linked immunosorbent assay (ELISA). Anti-ERp72 antibody (B-4) is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. ERp72 protein, also known as protein disulfide-isomerase A4, plays a crucial role in the endoplasmic reticulum by facilitating proper folding and assembly of proteins, particularly major histocompatibility complex (MHC) class I molecules. This process is vital for immune response, as MHC class I molecules present intracellularly derived peptides to cytotoxic T lymphocytes, enabling the immune system to recognize and eliminate infected or malignant cells. ERp72 interaction with other chaperones and proteins in the ER ensures that MHC class I molecules are correctly assembled before engaging with the transporter associated with antigen processing (TAP). By promoting correct formation of disulfide bonds and assisting in protein folding, ERp72 maintains cellular homeostasis and effective immune surveillance, making ERp72 a significant target for research in immunology and cell biology.

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

ERp72 Antibody (B-4) References:

  1. Mobilization of MHC class I molecules from late endosomes to the cell surface following activation of CD34-derived human Langerhans cells.  |  MacAry, PA., et al. 2001. Proc Natl Acad Sci U S A. 98: 3982-7. PMID: 11274420
  2. Human deoxycytidine kinase. Sequence of cDNA clones and analysis of expression in cell lines with and without enzyme activity.  |  Huang, SH., et al. 1991. J Biol Chem. 266: 5353. PMID: 2002068
  3. The disulfide isomerase ERp72 supports arterial thrombosis in mice.  |  Zhou, J., et al. 2017. Blood. 130: 817-828. PMID: 28576878
  4. MicroRNA-378a-3p contributes to ovarian cancer progression through downregulating PDIA4.  |  Chanjiao, Y., et al. 2021. Immun Inflamm Dis. 9: 108-119. PMID: 33159506
  5. PDIA4 promotes glioblastoma progression via the PI3K/AKT/m-TOR pathway.  |  Wang, M., et al. 2022. Biochem Biophys Res Commun. 597: 83-90. PMID: 35131603
  6. PDIA4, a new endoplasmic reticulum stress protein, modulates insulin resistance and inflammation in skeletal muscle.  |  Lee, CH., et al. 2022. Front Endocrinol (Lausanne). 13: 1053882. PMID: 36619574
  7. PDIA4 confers resistance to ferroptosis via induction of ATF4/SLC7A11 in renal cell carcinoma.  |  Kang, L., et al. 2023. Cell Death Dis. 14: 193. PMID: 36906674
  8. LncRNA FAM225B Regulates PDIA4-Mediated Ovarian Cancer Cell Invasion and Migration via Modulating Transcription Factor DDX17.  |  Yao, C., et al. 2023. Breast J. 2023: 3970444. PMID: 37720188
  9. Molecular cloning of the human glucose-regulated protein ERp57/GRP58, a thiol-dependent reductase. Identification of its secretory form and inducible expression by the oncogenic transformation.  |  Hirano, N., et al. 1995. Eur J Biochem. 234: 336-42. PMID: 8529662
  10. Erp72 expression activated by transient cerebral ischemia or disturbance of neuronal endoplasmic reticulum calcium stores.  |  Paschen, W., et al. 1998. Metab Brain Dis. 13: 55-68. PMID: 9570640
  11. The thiol oxidoreductase ERp57 is a component of the MHC class I peptide-loading complex.  |  Hughes, EA. and Cresswell, P. 1998. Curr Biol. 8: 709-12. PMID: 9637923
  12. A role for the thiol-dependent reductase ERp57 in the assembly of MHC class I molecules.  |  Morrice, NA. and Powis, SJ. 1998. Curr Biol. 8: 713-6. PMID: 9637924

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

ERp72 Antibody (B-4)

sc-390530
200 µg/ml
$322.00

ERp72 Antibody (B-4): m-IgG Fc BP-HRP Bundle

sc-526168
200 µg Ab; 10 µg BP
$361.00

ERp72 Antibody (B-4) AC

sc-390530 AC
500 µg/ml, 25% agarose
$424.00

ERp72 Antibody (B-4) HRP

sc-390530 HRP
200 µg/ml
$322.00

ERp72 Antibody (B-4) FITC

sc-390530 FITC
200 µg/ml
$336.00

ERp72 Antibody (B-4) PE

sc-390530 PE
200 µg/ml
$349.00

ERp72 Antibody (B-4) Alexa Fluor® 488

sc-390530 AF488
200 µg/ml
$364.00

ERp72 Antibody (B-4) Alexa Fluor® 546

sc-390530 AF546
200 µg/ml
$364.00

ERp72 Antibody (B-4) Alexa Fluor® 594

sc-390530 AF594
200 µg/ml
$364.00

ERp72 Antibody (B-4) Alexa Fluor® 647

sc-390530 AF647
200 µg/ml
$364.00

ERp72 Antibody (B-4) Alexa Fluor® 680

sc-390530 AF680
200 µg/ml
$364.00

ERp72 Antibody (B-4) Alexa Fluor® 790

sc-390530 AF790
200 µg/ml
$364.00

ERp72 Antibody (B-4) B

sc-390530 B
200 µg/ml
$326.00

ERp72 (B-4) Neutralizing Peptide

sc-390530 P
100 µg/0.5 ml
$69.00

What application is the blocking peptide sc-390530 P appropriate for?

Asked by: Dr Ninau Qelp
Thank you for your question. The blocking peptide is intended for use as a negative control, by pre-adsorbing the mouse monoclonal antibody against the antigen. For full protocol details, please contact our Technical Services Department or view our online protocol here: https://www.scbt.com/scbt/resources/protocols/peptide-neutralization
Answered by: Technical Support
Date published: 2017-03-01
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Rated 5 out of 5 by from Good for WBI detected a clear band around 70kDa in Huh1, HeLa, HepG2 and mouse liver samples.
Date published: 2021-04-21
Rated 1 out of 5 by from pas de signal en immunofluoescenceanticorps testé sur des cellules MCF7, pas de marquage détecté
Date published: 2018-01-30
Rated 1 out of 5 by from NOT SPECIFICNOT Good Western Blot data of ERP72 expression in 293whole cell lysates.
Date published: 2017-08-16
Rated 5 out of 5 by from Produced excellent immunoperoxidase cytoplasmicProduced excellent immunoperoxidase cytoplasmic staining in formalin fixed, paraffin-embedded human liver tissue. -SCBT QC
Date published: 2015-04-26
Rated 5 out of 5 by from Beautiful Western blot data obtained using JARBeautiful Western blot data obtained using JAR, Jurkat, Caki-1 and HeLa whole cell lysates. -SCBT QC
Date published: 2015-04-23
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ERp72 Antibody (B-4) is rated 3.4 out of 5 by 5.
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