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  4. IRE1 Antibody (YA3557)

IRE1 Antibody (YA3557) is a Mouse-derived and non-conjugated IgG1 monoclonal antibody, targeting to IRE1.

For research use only. We do not sell to patients.

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Top Publications Citing Use of Products
  • WB: Western Blot;
  • IHC-P: Immunohistochemistry-Paraffin;
  • IHC-F: Immunohistochemistry-Frozen;
  • ICC/IF: Immunocytochemistry/Immunofluorescence;
  • IF-Tissue: Immunofluorescence-Tissue;
  • mIHC: Multiplex Immunohistochemical;
  • IP: Immunoprecipitation;
  • ChIP: Chromatin Immunoprecipitation;
  • FC: Flow Cytometry;
  • ELISA: Enzyme Linked Immunosorbent Assay
  • Product Detail

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Description

IRE1 Antibody (YA3557) is a Mouse-derived and non-conjugated IgG1 monoclonal antibody, targeting to IRE1.

Host

Mouse

Clonality

Monoclonal Antibody

Molecular Weight
Predicted band size: 110 kDa;
Observed band size: 110 kDa
Note: Due to possible protein modifications or aggregation, the molecular weight should be confirmed by actual measurement, and the predicted value is for reference only.
Species Reactivity
Human
SwissProt ID
Gene ID
Immunogen

Purified recombinant fragment of human ERN1(aa282-433) expressed in E. Coli.

Application &
Dilution Ratio
Application Dilution Ratio
WB
WB: Western Blot
1:500-1:2000
IHC-P
IHC-P: Immunohistochemistry-Paraffin
1:200-1:1000
ELISA
ELISA: Enzyme Linked Immunosorbent Assay
1:10000
Purity affinity purified. Conjugation Non-conjugated
Modification Unmodified Isotype IgG1
Appearance

Liquid

Formulation

Supplied in PBS with 0.05% sodium azide.

Storage & Stability

Stored at -20°C for 1 year. Avoid repeated freeze / thaw cycles.

Shipping

Shipping with blue ice.

Verification Image
ALL WB IHC-P
  • Western blot analysis of extracts from HEK293(lane 2(20μg), Neuro-2a(lane 3(20μg), C6(lane 4(20μg) and Hela (lane 5(20μg) using IRE1 Antibody (HY-P83860). Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80993, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature.

  • Immunohistochemical analysis of paraffin-embedded Human liver cancer tissue using IRE1 Antibody (HY-P83860, 1/500) . The section was pretreated using heat mediated antigen retrieval with sodium citrate buffer (PH 6.0)for 8 minutes. The tissues were blocked with quick block buffer for 0.5 hours at room temperature, washed with PBS and PBST, and then incubated with the primary antibody overnight at 4℃. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.

  • Immunohistochemical analysis of paraffin-embedded Human Rectal cancer tissue using IRE1 Antibody (HY-P83860, 1/500) . The section was pretreated using heat mediated antigen retrieval with sodium citrate buffer (PH 6.0)for 8 minutes. The tissues were blocked with quick block buffer for 0.5 hours at room temperature, washed with PBS and PBST, and then incubated with the primary antibody overnight at 4℃. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.

  • Immunohistochemical analysis of paraffin-embedded Human liver tissue using IRE1 Antibody (HY-P83860, 1/500) . The section was pretreated using heat mediated antigen retrieval with sodium citrate buffer (PH 6.0)for 8 minutes. The tissues were blocked with quick block buffer for 0.5 hours at room temperature, washed with PBS and PBST, and then incubated with the primary antibody overnight at 4℃. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.

  • Immunohistochemical analysis of paraffin-embedded Human stomach tissue using IRE1 Antibody (HY-P83860, 1/500) . The section was pretreated using heat mediated antigen retrieval with sodium citrate buffer (PH 6.0)for 8 minutes. The tissues were blocked with quick block buffer for 0.5 hours at room temperature, washed with PBS and PBST, and then incubated with the primary antibody overnight at 4℃. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.

  • Immunohistochemical analysis of paraffin-embedded Human pancreas tissue using IRE1 Antibody (HY-P83860, 1/500) . The section was pretreated using heat mediated antigen retrieval with sodium citrate buffer (PH 6.0)for 8 minutes. The tissues were blocked with quick block buffer for 0.5 hours at room temperature, washed with PBS and PBST, and then incubated with the primary antibody overnight at 4℃. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.

  • Immunohistochemical analysis of paraffin-embedded Human lung tissue using IRE1 Antibody (HY-P83860, 1/500) . The section was pretreated using heat mediated antigen retrieval with sodium citrate buffer (PH 6.0)for 8 minutes. The tissues were blocked with quick block buffer for 0.5 hours at room temperature, washed with PBS and PBST, and then incubated with the primary antibody overnight at 4℃. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.

Background
Function:Serine/threonine-protein kinase and endoribonuclease that acts as a key sensor for the endoplasmic reticulum unfolded protein response (UPR) (PubMed:11175748, PubMed:11779464, PubMed:12637535, PubMed:19328063, PubMed:21317875, PubMed:28128204, PubMed:30118681, PubMed:36739529, PubMed:9637683). In unstressed cells, the endoplasmic reticulum luminal domain is maintained in its inactive monomeric state by binding to the endoplasmic reticulum chaperone HSPA5/BiP (PubMed:21317875). Accumulation of misfolded proteins in the endoplasmic reticulum causes release of HSPA5/BiP, allowing the luminal domain to homodimerize, promoting autophosphorylation of the kinase domain and subsequent activation of the endoribonuclease activity (PubMed:21317875). The endoribonuclease activity is specific for XBP1 mRNA and excises 26 nucleotides from XBP1 mRNA (PubMed:11779464, PubMed:21317875, PubMed:24508390). The resulting spliced transcript of XBP1 encodes a transcriptional activator protein that up-regulates expression of UPR target genes (PubMed:11779464, PubMed:21317875, PubMed:24508390). Acts as an upstream signal for ER stress-induced GORASP2-mediated unconventional (ER/Golgi-independent) trafficking of CFTR to cell membrane by modulating the expression and localization of SEC16A (PubMed:21884936, PubMed:28067262)
Subcellular Localization:Endoplasmic reticulum membrane; Single-pass type I membrane protein
Expression:
Tissue_specificity:Widely expressed. High expression levels are observed in pancreatic tissue.

Induction:Induced by the ER stressor tunicamycin
Isoforms & Post-Translational Modification:O75460 has 2 isomers: O75460-1: 109735 Da (predicted); O75460-2: 6649 Da (predicted).
Autophosphorylated following homodimerization. Autophosphorylation promotes activation of the endoribonuclease domain (PubMed:12637535, PubMed:21317875, PubMed:28128204, PubMed:9637683). In response to ER stress, phosphorylated at Ser-724, Ser-729 and possibly Ser-726; phosphorylation promotes oligomerization and endoribonuclease activity (PubMed:30118681). Dephosphorylated at Ser-724, Ser-729 and possibly Ser-726 by RPAP2 to abort failed ER-stress adaptation and trigger apoptosis (PubMed:30118681). Phosphorylated at Ser-724; in response to the ER stressor tunicamycin (PubMed:36739529);ADP-ribosylated by PARP16 upon ER stress, which increases both kinase and endonuclease activities
Subunit:Monomer (PubMed:16973740, PubMed:29198525). Homodimer; disulfide-linked; homodimerization takes place in response to endoplasmic reticulum stress and promotes activation of the kinase and endoribonuclease activities (PubMed:12637535, PubMed:16973740, PubMed:21317875, PubMed:24508390, PubMed:30118681). Dimer formation is driven by hydrophobic interactions within the N-terminal luminal domains and stabilized by disulfide bridges (PubMed:12637535). Interacts (via the luminal region) with DNAJB9/ERdj4; interaction takes place in unstressed cells and promotes recruitment of HSPA5/BiP (PubMed:29198525). Interacts (via the luminal region) with HSPA5/BiP; HSPA5/BiP is a negative regulator of the unfolded protein response (UPR) that prevents homodimerization of ERN1/IRE1 and subsequent activation of the protein (PubMed:12637535, PubMed:29198525, PubMed:36739529). Interaction with HSPA5 also competitively inhibits ERN1 interaction with MANF (PubMed:36739529). Interacts with PDIA6, a negative regulator of the UPR; the interaction is direct and disrupts homodimerization (PubMed:24508390). Interacts with DAB2IP (via PH domain); the interaction occurs in a endoplasmic reticulum stress-induced dependent manner and is required for subsequent recruitment of TRAF2 to ERN1/IRE1 (By similarity). Interacts with TAOK3 and TRAF2 (PubMed:11278723). Interacts with RNF13 (PubMed:23378536). Interacts with LACC1 (PubMed:31875558). Interacts (when unphosphorylated) with DDRGK1; interaction is dependent on UFM1 and takes place in response to endoplasmic reticulum stress, regulating ERN1/IRE1-alpha stability (PubMed:28128204). Interacts (via N-terminus) with P4HB/PDIA1; the interaction is enhanced by phosphorylation of P4HB by FAM20C in response to endoplasmic reticulum stress and results in attenuation of ERN1 activity (PubMed:32149426). Interacts with TMBIM6; this interaction inhibits ERN1 activity (PubMed:19328063). Interacts (via luminal domain) with MANF (via C-terminus); the interaction is decreased in the presence of increasing concentrations of Ca(2+) (PubMed:36739529)
RRID
Synonyms
IRE1; IRE1P; IRE1a; hIRE1p; FLJ30999; MGC163277; MGC163279; ERN1
Documentation

IRE1 Antibody (YA3557) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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IRE1 Antibody (YA3557)
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