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04-339 | Anti-phospho-EGFR (Tyr1068) Antibody, clone EP774Y, rabbit monoclonal

04-339
100 µL  
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      Overview

      Replacement Information

      Key Specifications Table

      Species ReactivityKey ApplicationsHostFormatAntibody Type
      H, M WB, ICC, IH(P) Rb Unpurified Monoclonal Antibody
      Description
      Catalogue Number04-339
      Replaces17-462
      DescriptionAnti-phospho-EGFR (Tyr1068) Antibody, clone EP774Y, rabbit monoclonal
      Alternate Names
      • epidermal growth factor receptor
      • Proto-oncogene c-ErbB-1
      • Receptor tyrosine-protein kinase erbB-1
      • epidermal growth factor receptor (avian erythroblastic leukemia viral (v-erb-b)
        oncogene homolog)
      • avian erythroblastic leukemia viral (v-erb-b) oncogene homolog
      • cell growth inhibiting protein 40
      • cell proliferation-inducing protein 61
      Background InformationEpidermal growth factor receptor (EGFR) is a 170 kDa transmembrane glycoprotein receptor tyrosine kinase that, when activated by epidermal growth factor (EGF), affects cell growth and differentiation in normal and cancer cells (1). Binding of EGF or TGF alpha to EGFR activates tyrosine kinase activity of the receptor (2). The carboxy terminal tyrosine residues on EGFR, Tyr 1068, Tyr 1148, and Tyr 1173, are the major sites of autophosphorylation, which occurs as a result of EGF binding (3). EGFR overexpression is exhibited in various cancers, such as glioma, colorectal carcinoma, breast carcinoma, and head and neck carcinoma (4). The phosphorylation level of EGFR is considered one of the important predictors of clinical outcome in non-small cell lung cancer therapy (5).
      References
      Product Information
      FormatUnpurified
      Control
      • A431 cell lysate
      PresentationRabbit Monoclonal in buffer containing glycerol, BSA, and sodium azide.
      Applications
      ApplicationPlease note that this product will not be available for sale after March 15, 2015. Please select one of the other antibodies against this target.
      Key Applications
      • Western Blotting
      • Immunocytochemistry
      • Immunohistochemistry (Paraffin)
      Application NotesImmunohistochemistry Analysis: A 1:250-500 dilution from a representative lot was used in breast adenocarcinoma tissue.
      Immunocytochemistry Analysis: A 1:250-500 dilution from a representative lot was used in IC.
      Biological Information
      ImmunogenSynthetic peptide corresponding to human EGFR phosphorylated at (Tyr1068).
      EpitopePhosphorylated (Tyr1068)
      CloneEP774Y
      HostRabbit
      SpecificityThis antibody recognizes EGFR phosphorylated at (Tyr1068).
      IsotypeIgG
      Species Reactivity
      • Human
      • Mouse
      Antibody TypeMonoclonal Antibody
      Entrez Gene Number
      Gene Symbol
      • ERBB1
      • EC 2.7.10.1
      • ERBB
      • HER1
      • OTTHUMP00000159661
      • OTTHUMP00000159662
      • OTTHUMP00000159663
      • OTTHUMP00000209210
      • OTTHUMP00000209211
      • PIG61
      • mENA
      • EC 2.7.10
      Purification MethodUnpurified
      UniProt Number
      UniProt SummaryFUNCTION: Receptor tyrosine kinase binding ligands of the EGF family and activating several signaling cascades to convert extracellular cues into appropriate cellular responses. Known ligands include EGF, TGFA/TGF-alpha, amphiregulin, epigen/EPGN, BTC/betacellulin, epiregulin/EREG and HBEGF/heparin-binding EGF. Ligand binding triggers receptor homo- and/or heterodimerization and autophosphorylation on key cytoplasmic residues. The phosphorylated receptor recruits adapter proteins like GRB2 which in turn activates complex downstream signaling cascades. Activates at least 4 major downstream signaling cascades including the RAS-RAF-MEK-ERK, PI3 kinase-AKT, PLCgamma-PKC and STATs modules. May also activate the NF-kappa-B signaling cascade. Also directly phosphorylates other proteins like RGS16, activating its GTPase activity and probably coupling the EGF receptor signaling to the G protein-coupled receptor signaling. Also phosphorylates MUC1 and increases its interaction with SRC and CTNNB1/beta-catenin.
      Isoform 2 may act as an antagonist of EGF action.
      CATALYTIC ACTIVITY: ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate.
      ENZYME REGULATION: Endocytosis and inhibition of the activated EGFR by phosphatases like PTPRJ and PTPRK constitute immediate regulatory mechanisms. Upon EGF-binding phosphorylates EPS15 that regulates EGFR endocytosis and activity. Moreover, inducible feedback inhibitors including LRIG1, SOCS4, SOCS5 and ERRFI1 constitute alternative regulatory mechanisms for the EGFR signaling.
      SUBUNIT STRUCTURE: Binding of the ligand triggers homo- and/or heterodimerization of the receptor triggering its autophosphorylation. Heterodimer with ERBB2. Interacts with ERRFI1; inhibits dimerization of the kinase domain and autophosphorylation. Part of a complex with ERBB2 and either PIK3C2A or PIK3C2B. Interacts with GRB2; an adapter protein coupling the receptor to downstream signaling pathways. Interacts with GAB2; involved in signaling downstream of EGFR. Interacts with STAT3; mediates EGFR downstream signaling in cell proliferation. Interacts with RIPK1; involved in NF-kappa-B activation. Interacts (autophosphorylated) with CBL; involved in EGFR ubiquitination and regulation. Interacts with SOCS5; regulates EGFR degradation through TCEB1- and TCEB2-mediated ubiquitination and proteasomal degradation. Interacts with PRMT5; methylates EGFR and enhances interaction with PTPN6. Interacts (phosphorylated) with PTPN6; inhibits EGFR-dependent activation of MAPK/ERK. Interacts with COPG; essential for regulation of EGF-dependent nuclear transport of EGFR by retrograde trafficking from the Golgi to the ER. Interacts with TNK2; this interaction is dependent on EGF stimulation and kinase activity of EGFR. Interacts with PCNA; positively regulates PCNA. Interacts with PELP1. Interacts with MUC1. Interacts with AP2M1. Interacts with FER. May interact with EPS8; mediates EPS8 phosphorylation. Interacts (via SH2 domains) with GRB2, NCK1 and NCK2.
      SUBCELLULAR LOCATION: Cell membrane; Single-pass type I membrane protein. Endoplasmic reticulum membrane; Single-pass type I membrane protein. Golgi apparatus membrane; Single-pass type I membrane protein. Nucleus membrane; Single-pass type I membrane protein. Endosome. Endosome membrane. Note: In response to EGF, translocated from the cell membrane to the nucleus via Golgi and ER. Endocytosed upon activation by ligand.
      Isoform 2: Secreted
      TISSUE SPECIFICITY: Ubiquitously expressed. Isoform 2 is also expressed in ovarian cancers.
      PTM: 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.
      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 occur.
      Methylated. Methylation at Arg-1199 by PRMT5 positively stimulates phosphorylation at Tyr-1197.
      INVOLVEMENT IN DISEASE: Defects in EGFR are associated with lung cancer (LNCR) [MIM:211980]. LNCR is a common malignancy affecting tissues of the lung. The most common form of lung cancer is non-small cell lung cancer (NSCLC) that can be divided into 3 major histologic subtypes: squamous cell carcinoma, adenocarcinoma, and large cell lung cancer. NSCLC is often diagnosed at an advanced stage and has a poor prognosis.
      SEQUENCE SIMILARITIES: Belongs to the protein kinase superfamily. Tyr protein kinase family. EGF receptor subfamily.
      Contains 1 protein kinase domain.
      Molecular Weight~170 kDa observed
      Physicochemical Information
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Quality AssuranceEvaluated by Western Blot in A431 cell lysate untreated and EGF treated.
      WesternBlot Analysis: A 1:5,000 dilution of this antibody detected EGFR phosphorylated at (Tyr1068) in A431 cell lysate untreated and EGF treated.
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage ConditionsStable for 1 year at -20ºC from date of receipt.
      Handling Recommendations: Upon first thaw, and prior to removing cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20ºC. Avoid freeze/thaw cycles, which may damage IgG and affect product performance.
      Note: Variability in freezer temperatures below -20°C may cause glycerol containing solutions to become frozen during storage. Note: Variability in freezer temperatures below -20°C may cause glycerol containing solutions to become frozen during storage.
      Packaging Information
      Material Size100 µL
      Transport Information
      Supplemental Information
      Specifications

      Documentation

      SDS

      Title

      Safety Data Sheet (SDS) 

      Certificates of Analysis

      TitleLot Number
      Anti-phospho-EGFR (Tyr1068), clone EP774Y - 2502941 2502941
      Anti-phospho-EGFR (Tyr1068), clone EP774Y, Rabbit Monoclonal - 2121373 2121373
      Anti-phospho-EGFR (Tyr1068), clone EP774Y, Rabbit Monoclonal - 2142195 2142195
      Anti-phospho-EGFR (Tyr1068), clone EP774Y, Rabbit Monoclonal - 2151858 2151858
      Anti-phospho-EGFR (Tyr1068), clone EP774Y, Rabbit Monoclonal - 2330595 2330595
      Anti-phospho-EGFR (Tyr1068), clone EP774Y, Rabbit Monoclonal - 2435186 2435186
      Anti-phospho-EGFR (Tyr1068), clone EP774Y, Rabbit Monoclonal - 2466944 2466944
      Anti-phospho-EGFR (Tyr1068), clone EP774Y, Rabbit Monoclonal - 2159663 2159663
      Anti-phospho-EGFR (Tyr1068), clone EP774Y, Rabbit Monoclonal - 2203073 2203073
      Anti-phospho-EGFR (Tyr1068), clone EP774Y, Rabbit Monoclonal - 2211935 2211935
      Anti-phospho-EGFR (Tyr1068), clone EP774Y, Rabbit Monoclonal - 2227137 2227137
      Anti-phospho-EGFR (Tyr1068), clone EP774Y, Rabbit Monoclonal - 2290364 2290364
      Anti-phospho-EGFR (Tyr1068), clone EP774Y, Rabbit Monoclonal - Q1999194 Q1999194
      Anti-phospho-EGFR (Tyr1068), clone EP774Y, Rabbit Monoclonal -2506104 2506104
      Anti-phospho-EGFR (Tyr1068), clone EP774Y, Rabbit Monoclonal -2509232 2509232

      Brochure

      Title
      New Products: Volume 3, 2012

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      Categories

      Life Science Research > Antibodies and Assays > Primary Antibodies