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05-1047

Sigma-Aldrich

Anti-EGFR (cytoplasmic domain) Antibody, clone 8G6.2

clone 8G6.2, from mouse

Synonym(s):

Receptor tyrosine-protein kinase ErbB-1, avian erythroblastic leukemia viral (v-erb-b) oncogene

homolog, cell growth inhibiting protein 40, cell proliferation-inducing protein 61, epidermal growth factor receptor, epidermal growth factor recepto

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About This Item

UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41

biological source

mouse

Quality Level

antibody form

purified antibody

antibody product type

primary antibodies

clone

8G6.2, monoclonal

species reactivity

rat, mouse, human

technique(s)

immunocytochemistry: suitable
immunohistochemistry: suitable
immunoprecipitation (IP): suitable
western blot: 1:2,000 using A431 cell lysate (used to detect EGFR)
western blot: suitable

isotype

IgG1κ

NCBI accession no.

UniProt accession no.

shipped in

wet ice

target post-translational modification

unmodified

Gene Information

human ... EGFR(1956)
mouse ... Egfr(13649)
rat ... Egfr(24329)

General description

The epidermal growth factor receptor (EGFR; ErbB-1; HER1 in humans) is the cell-surface receptor for members of the epidermal growth factor family (EGF-family) of extracellular protein ligands. The epidermal growth factor receptor is a member of the ErbB family of receptors, a subfamily of four closely related receptor tyrosine kinases: EGFR (ErbB-1), HER2/c-neu (ErbB-2), Her 3 (ErbB-3) and Her 4 (ErbB-4). Mutations affecting EGFR expression or activity could result in cancer. EGFR (epidermal growth factor receptor) exists on the cell surface and is activated by binding of its specific ligands, including epidermal growth factor and transforming growth factor alpha (TGFα). Upon activation by its growth factor ligands, EGFR undergoes a transition from an inactive monomeric form to an active homodimer. In addition to forming homodimers after ligand binding, EGFR may pair with another member of the ErbB receptor family, such as ErbB2/Her2/neu, to create an activated heterodimer. There is also evidence to suggest that clusters of activated EGFRs form, although it remains unclear whether this clustering is important for activation itself or occurs subsequent to activation of individual dimers. EGFR dimerization stimulates its intrinsic intracellular protein-tyrosine kinase activity. As a result, autophosphorylation of five tyrosine (Y) residues in the C-terminal domain of EGFR occurs. These are Y992, Y1045, Y1068, Y1148 and Y1173. This autophosphorylation elicits downstream activation and signaling by several other proteins that associate with the phosphorylated tyrosines through their own phosphotyrosine-binding SH2 domains. These downstream signaling proteins initiate several signal transduction cascades, principally the MAPK, Akt and JNK pathways, leading to DNA synthesis and cell proliferation. Such proteins modulate phenotypes such as cell migration, adhesion, and proliferation. The kinase domain of EGFR can also cross-phosphorylate tyrosine residues of other receptors it is aggregated with, and can itself be activated in that manner.

Specificity

This antibody detects the cytoplasmic domain of EGFR.

Immunogen

Recombinant protein encoding the cytoplasmic domain (C-terminal) of human EGF Receptor.

Application

Detect EGFR (cytoplasmic domain) using this Anti-EGFR (cytoplasmic domain) Antibody, clone 8G6.2 validated for use in IC, IH, IP & WB.
Immunocytochemistry Analysis:
A431 cells were grown, fixed, permeablized, and stained with anti-EGFR, clone 8G6.2

Confocal Immunocytochemistry Analysis:
A431 cells were grown, fixed, permeablized, and stained with anti-EGFR, clone 8G6.2

Immunoprecipitation:
100 μg of A431 whole cell lysate was lysed in RIPA buffer and immunoprecipitated (IP) with 5 μg of Anti-EGFR, cytoplasmic domain, clone 8G6.2

Immunohistochemistry Analysis:
Tissue was stained with anti-EGFR, cytoplasmic domain, clone 8G6.2 at a 1:100 dilution and IHC-Select Detection with HRP-DAB reagents.


Quality

Evaluated by western blot on A431 cell lysate
Western Blot Analysis:
1:2,000 dilution of this antibody was used to detect EGFR in A431 cell lysate.

Target description

180 kDa

Linkage

Replaces: 04-338

Physical form

Format: Purified

Other Notes

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

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Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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