Specification
Catalog# ET1610-4
Phospho-EGFR (Y1173) Recombinant Rabbit Monoclonal Antibody [SC57-04]
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WB
-
IF-Cell
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IHC-P
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IP
-
Human
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Mouse
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unconjugated
Overview
Product Name
Phospho-EGFR (Y1173) Recombinant Rabbit Monoclonal Antibody [SC57-04]
Antibody Type
Recombinant Rabbit monoclonal Antibody
Immunogen
Synthetic phospho-peptide corresponding to residues surrounding Tyr1173 of Human EGFR.
Species Reactivity
Human, Mouse
Validated Applications
WB, IF-Cell, IHC-P, IP
Molecular Weight
Predicted band size: 134 kDa
Positive Control
A431 treated with 100ng/mL EGF for 30 minutes whole cell lysate, A431, B16F1, human placenta tissue, mouse skin tissue.
Conjugation
unconjugated
Clone Number
SC57-04
RRID
Product Features
Form
Liquid
Concentration
Storage Instructions
Shipped at 4℃. Store at +4℃ short term (1-2 weeks). It is recommended to aliquot into single-use upon delivery. Store at -20℃ long term.
Storage Buffer
1*TBS (pH7.4), 0.05% BSA, 40% Glycerol. Preservative: 0.05% Sodium Azide.
Isotype
IgG
Purification Method
Protein A affinity purified.
Application Dilution
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WB
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1:1,000-1:2,000
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IF-Cell
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1:50-1:200
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IHC-P
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1:50-1:200
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IP
-
Use at an assay dependent concentration.
Target
Function
Epidermal growth factor mediates its effects on cell growth through its inter-action with a cell surface glycoprotein designated the EGF receptor. Binding of EGF or TGF alpha to the EGF receptor activates tyrosine-specific protein kinase activity intrinsic to the EGF receptor. The carboxy terminal tyrosine residues on EGFR, Tyr 1068 and Tyr 1173, are the major sites of autophosphorylation, which occurs as a result of EGF binding. Once activated, EGFR mediates the binding of the phosphotyrosine binding (PTB) domain of GRB2 through direct interactions with Tyr 1068 and Tyr 1086 and through indirect interactions with Tyr 1173 in the Ras signaling pathway. Tyr 1173 of EGFR also functions as a kinase substrate. Phosphorylation of Tyr 992, Tyr 1068 and Tyr 1086 is required for conformational change in the C-terminal tail of the EGF receptor.
Background References
1. Chang YL et al. Regulation of estrogen receptor a function in oral squamous cell carcinoma cells by FAK signaling. Endocr Relat Cancer 21:555-65 (2014).
2. Gerdes CA et al. GA201 (RG7160): a novel, humanized, glycoengineered anti-EGFR antibody with enhanced ADCC and superior in vivo efficacy compared with cetuximab. Clin Cancer Res 19:1126-38 (2013).
Sequence Similarity
Belongs to the protein kinase superfamily. Tyr protein kinase family. EGF receptor subfamily.
Tissue Specificity
Ubiquitously expressed. Isoform 2 is also expressed in ovarian cancers.
Post-translational Modification
Phosphorylated on Tyr residues in response to EGF. Phosphorylation at Ser-695 is partial and occurs only if Thr-693 is phosphorylated. Phosphorylation at Thr-678 and Thr-693 by PRKD1 inhibits EGF-induced MAPK8/JNK1 activation. Dephosphorylation by PTPRJ prevents endocytosis and stabilizes the receptor at the plasma membrane. Autophosphorylation at Tyr-1197 is stimulated by methylation at Arg-1199 and enhances interaction with PTPN6. Autophosphorylation at Tyr-1092 and/or Tyr-1110 recruits STAT3. Dephosphorylated by PTPN1 and PTPN2.; Monoubiquitinated and polyubiquitinated upon EGF stimulation; which does not affect tyrosine kinase activity or signaling capacity but may play a role in lysosomal targeting. Polyubiquitin linkage is mainly through 'Lys-63', but linkage through 'Lys-48', 'Lys-11' and 'Lys-29' also occurs. Deubiquitination by OTUD7B prevents degradation. Ubiquitinated by RNF115 and RNF126 (By similarity).; Palmitoylated on Cys residues by ZDHHC20. Palmitoylation inhibits internalization after ligand binding, and increases the persistence of tyrosine-phosphorylated EGFR at the cell membrane. Palmitoylation increases the amplitude and duration of EGFR signaling.; Methylated. Methylation at Arg-1199 by PRMT5 stimulates phosphorylation at Tyr-1197.
Subcellular Location
Cell membrane, Nucleus membrane, Nucleus, Endoplasmic reticulum membrane, Golgi apparatus membrane.
Synonyms
Avian erythroblastic leukemia viral (v erb b) oncogene homolog antibody
Cell growth inhibiting protein 40 antibody
Cell proliferation inducing protein 61 antibody
EGF R antibody
EGFR antibody
EGFR_HUMAN antibody
Epidermal growth factor receptor (avian erythroblastic leukemia viral (v erb b) oncogene homolog) antibody
Epidermal growth factor receptor (erythroblastic leukemia viral (v erb b) oncogene homolog avian) antibody
Epidermal growth factor receptor antibody
erb-b2 receptor tyrosine kinase 1 antibody
ExpandAvian erythroblastic leukemia viral (v erb b) oncogene homolog antibody
Cell growth inhibiting protein 40 antibody
Cell proliferation inducing protein 61 antibody
EGF R antibody
EGFR antibody
EGFR_HUMAN antibody
Epidermal growth factor receptor (avian erythroblastic leukemia viral (v erb b) oncogene homolog) antibody
Epidermal growth factor receptor (erythroblastic leukemia viral (v erb b) oncogene homolog avian) antibody
Epidermal growth factor receptor antibody
erb-b2 receptor tyrosine kinase 1 antibody
ERBB antibody
ERBB1 antibody
Errp antibody
HER1 antibody
mENA antibody
NISBD2 antibody
Oncogen ERBB antibody
PIG61 antibody
Proto-oncogene c-ErbB-1 antibody
Receptor tyrosine protein kinase ErbB 1 antibody
Receptor tyrosine-protein kinase ErbB-1 antibody
SA7 antibody
Species antigen 7 antibody
Urogastrone antibody
v-erb-b Avian erythroblastic leukemia viral oncogen homolog antibody
wa2 antibody
Wa5 antibody
CollapseImages
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☑ Cell treatment (CT)
Western blot analysis of Phospho-EGFR (Y1173) on different lysates with Rabbit anti-Phospho-EGFR (Y1173) antibody (ET1610-4) at 1/2,000 dilution.
Lane 1: A431 whole cell lysate
Lane 2: A431 treated with 100ng/mL EGF for 30 minutes whole cell lysate
Lysates/proteins at 10 µg/Lane.
Predicted band size: 135 kDa
Observed band size: 170 kDa
Exposure time: 2 minute;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (ET1610-4) at 1/2,000 dilution was used in K1803 at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/200,000 dilution was used for 1 hour at room temperature. -
☑ Cell treatment (CT)
Immunocytochemistry analysis of A431 cells treated with or without 100ng/mL EGF for 5 minutes labeling Phospho-EGFR (Y1173) with Rabbit anti-Phospho-EGFR (Y1173) antibody (ET1610-4) at 1/50 dilution.
Cells were fixed in 4% paraformaldehyde for 20 minutes at 37 ℃, permeabilized with 0.1% Triton X-100 in PBS permeabilization for 5 minutes, and then blocked with 2% negative goat serum for 60 minutes at room temperature. Cells were then incubated with Rabbit anti-Phospho-EGFR (Y1173) antibody (ET1610-4) at 1/50 dilution in 1% BSA overnight at 4 ℃. Goat Anti-Rabbit IgG H&L (iFluor™ 488, HA1121) was used as the secondary antibody at 1/1,000 dilution. PBS instead of the primary antibody was used as the secondary antibody only control. Nuclear DNA was labelled in blue with DAPI. -
ICC staining of Phospho-EGFR (Y1173) in untreated B16F1 cells (green). Formalin fixed cells were permeabilized with 0.1% Triton X-100 in TBS for 10 minutes at room temperature and blocked with 1% Blocker BSA for 15 minutes at room temperature. Cells were probed with the primary antibody (ET1610-4, 1/50) for 1 hour at room temperature, washed with PBS. Alexa Fluor®488 Goat anti-Rabbit IgG was used as the secondary antibody at 1/1,000 dilution. The nuclear counter stain is DAPI (blue).
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Immunohistochemical analysis of paraffin-embedded human placenta tissue using anti-Phospho-EGFR (Y1173) antibody. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 8.0-8.4) for 20 minutes.The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (ET1610-4, 1/50) for 30 minutes at room temperature. 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.
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Immunohistochemical analysis of paraffin-embedded mouse skin tissue using anti-Phospho-EGFR (Y1173) antibody. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 8.0-8.4) for 20 minutes.The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (ET1610-4, 1/50) for 30 minutes at room temperature. 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.
Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"
Citation
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Targeting co-delivery of doxorubicin and gefitinib by biotinylated Au NCs for overcoming multidrug resistance in imaging-guided anticancer therapy
Journal: Colloids And Surfaces B: Biointerfaces
DOI:
IF: 5.8
Application: WB
Reactivity: Human
Publish date: 2022 Sept
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Protein Tyrosine Kinase 7 Regulates EGFR/Akt Signaling Pathway and Correlates With Malignant Progression in Triple-Negative Breast Cancer. Frontiers in oncology, 11, 699889.
Journal: Frontiers In Oncology
DOI:
IF: 6.24
Application: WB
Reactivity: Mouse
Publish date: 2021 Jul
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