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Product Name
Her3 Mouse mAb
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Gene ID
2065
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SwissProt ID
P21860
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Gene Name
ERBB3
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Alternative Names
HER3; c-erbB3
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Background
ERBB3, v-erb-b2 erythroblastic leukemia viral oncogene homolog 3 (avian). It is a member of the epidermal growth factor receptor (EGFR) family of receptor tyrosine kinases. This membrane-bound protein has a neuregulin binding domain but not an active kinase domain. It therefore can bind this ligand but not convey the signal into the cell through protein phosphorylation. However, it does form heterodimers with other EGF receptor family members which do have kinase activity. Heterodimerization leads to the activation of pathways which lead to cell proliferation or differentiation. Amplification of this gene and/or overexpression of its protein have been reported in numerous cancers, including prostate, bladder, and breast tumors. Alternate transcriptional splice variants encoding different isoforms have been characterized. One isoform lacks the intermembrane region and is secreted outside the cell. This form acts to modulate the activity of the membrane-bound form. Additional splice variants have also been reported, but they have not been thoroughly characterized.
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Research Field
Cell Biology
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Product Categories
Primary antibody
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Host
Mouse
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Reactivity
Human
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Application
WB,ICC/IF
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Dilution Ratio
WB: 1/500-1/1000 IF: 1/50-1/200
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Molecular Weight
Calculated MW: 148 kDa;Observed MW: 130 kDa
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Clonality
Monoclonal Antibody
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Clonality No.
9T7-R8-A3
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Isotype
Mouse IgG1
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Immunogen
Purified recombinant extracellular fragment of human ERBB3 expressed in E. Coli.
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Purification
Affinity Purified
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Conjugation
Unconjugated
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Modification
Unmodified
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Form
Liquid
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Buffer System
Ascitic fluid containing 0.03% sodium azide.
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Storage
Store at 4°C short term. Aliquot and store at -20°C long term. Avoid freeze/thaw cycles.