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Invitrogen

ErbB2 (HER-2) Monoclonal Antibody (MJD2), eBioscience™

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Product Details

14-9757-82

Applications
Tested Dilution
Publications

Western Blot (WB)

2 µg/mL
-

Immunohistochemistry (Paraffin) (IHC (P))

5 µg/mL
-

Immunocytochemistry (ICC/IF)

5 µg/mL
-
Product Specifications

Species Reactivity

Human

Host/Isotype

Mouse / IgG1, kappa

Class

Monoclonal

Type

Antibody

Clone

MJD2

Conjugate

Unconjugated Unconjugated Unconjugated

Form

Liquid

Concentration

0.5 mg/mL

Amount

100 µg

Purification

Affinity chromatography

Storage buffer

PBS, pH 7.2

Contains

0.09% sodium azide

Storage conditions

4°C

Shipping conditions

Ambient (domestic); Wet ice (international)

RRID

AB_2572990

Product Specific Information

Description: This MJD2 monoclonal antibody reacts with HER-2, the product of the ErbB2 gene and a member of the human epidermal growth factor receptor (EGFR) family. HER-2 is a 185 kDa transmembrane receptor with an extracellular binding domain and an intracellular tyrosine kinase domain. Activation of HER-2 occurs following formation of homodimers or heterodimers with ligand-bound EGFR family members, HER3 or HER4. Overexpression of HER-2 results in auto-phosphorylation and increased proliferation and invasiveness and is associated with subsets of multiple cancer types such as breast, ovarian, cervical, uterine, and gastric. The use of HER-2 targeted agents has been used extensively to treat HER-2-positive breast cancer, but a recent study found that these agents can also block the proliferation of breast cancer stem cells found in HER-2-negative patients and suggests the importance of HER-2 as a target for multiple types of breast cancer. The MJD2 antibody recognizes the extracellular domain of HER-2 but at an epitope distinct from that recognized by the 4D5 (Herceptin) and SP3 monoclonal antibodies.

Applications Reported: This MJD2 antibody has been reported for use in western blotting, immunohistochemical staining of formalin-fixed paraffin embedded tissue sections, microscopy, and immunocytochemistry.

Applications Tested: This MJD2 antibody has been tested by immunhistochemistry of formalin-fixed paraffin embedded human tissue using low or high pH antigen retrieval and can be used at less than or equal to 5 µg/mL. This MJD2 antibody has been tested by immunocytochemistry of methanol-fixed and permeabilized human BT474 cells and can be used at less than or equal to 5 µg/mL. This MJD2 antibody has been tested by western blot analysis of reduced human BT474 cell lysate and can be used at less than or equal to 5 µg/mL. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest.

Purity: Greater than 90%, as determined by SDS-PAGE.

Aggregation: Less than 10%, as determined by HPLC.

Filtration: 0.2 µm post-manufacturing filtered.

Target Information

ErbB2 (HER2) is a receptor tyrosine kinase that is overexpressed in some breast tumors. Herceptin, used in treatment of metastatic Her2-positive cancer, is monoclonal antibody targeting this kinase.

For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.

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Bioinformatics

Protein Aliases: approximately 68 kDa secreted autoinhibitor glycoprotein; c-erb B2/neu protein; CD antigen CD340; CD340; erb-b2; erbb 2; ErbB2 (pTyr1139); ErbB2 (pY1139); ErbB2 phospho Y1139; her 2; HER2 receptor; HER2/neu receptor; herstatin; human epidermal growth factor receptor 2; metas; Metastatic lymph node gene 19 protein; MLN 19; neuro/glioblastoma derived oncogene homolog; neuroblastoma/glioblastoma derived oncogene homolog; p185erbB2; phospho ErbB2; Proto-oncogene c-ErbB-2; Proto-oncogene Neu; Receptor tyrosine-protein kinase erbB-2; Tyrosine kinase-type cell surface receptor HER2; unnamed protein product; v-erb-b2 avian erythroblastic leukemia viral oncogene homolog 2; v-erb-b2 avian erythroblastic leukemia viral oncoprotein 2; v-erb-b2 erythroblastic leukemia viral oncogene homolog 2, neuro/glioblastoma derived oncogene homolog

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Gene Aliases: c-ERB-2; c-ERB2; CD340; ERBB2; HER-2; HER-2/neu; HER2; MLN 19; MLN-19; MLN19; NEU; NGL; p185(erbB2); TKR1; VSCN2

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UniProt ID: (Human) P04626

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Entrez Gene ID: (Human) 2064

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Function(s)
nucleotide binding RNA polymerase I core binding protein kinase activity protein tyrosine kinase activity transmembrane receptor protein tyrosine kinase activity transmembrane signaling receptor activity receptor binding protein binding ATP binding coreceptor activity kinase activity transferase activity growth factor binding receptor tyrosine kinase binding identical protein binding ErbB-3 class receptor binding protein heterodimerization activity
Process(es)
protein phosphorylation signal transduction cell surface receptor signaling pathway enzyme linked receptor protein signaling pathway transmembrane receptor protein tyrosine kinase signaling pathway epidermal growth factor receptor signaling pathway nervous system development peripheral nervous system development heart development neuromuscular junction development motor neuron axon guidance cell proliferation positive regulation of gene expression Schwann cell development peptidyl-tyrosine phosphorylation neuron differentiation positive regulation of cell growth regulation of microtubule-based process immature T cell proliferation in thymus negative regulation of immature T cell proliferation in thymus positive regulation of Rho protein signal transduction intracellular signal transduction ERBB2 signaling pathway ERBB2-ERBB3 signaling pathway ERBB2-EGFR signaling pathway ERBB2-ERBB4 signaling pathway wound healing regulation of cell proliferation myelination negative regulation of apoptotic process positive regulation of MAP kinase activity positive regulation of MAPK cascade protein kinase B signaling positive regulation of translation regulation of angiogenesis positive regulation of cell adhesion positive regulation of transcription from RNA polymerase I promoter oligodendrocyte differentiation positive regulation of epithelial cell proliferation regulation of ERK1 and ERK2 cascade cellular response to growth factor stimulus cellular response to epidermal growth factor stimulus semaphorin-plexin signaling pathway positive regulation of protein targeting to membrane neurotransmitter receptor localization to postsynaptic specialization membrane positive regulation of intracellular signal transduction
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