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ERBB2 / HER2

v-erb-b2 avian erythroblastic leukemia viral oncogene homolog 2

Protein tyrosine kinase that is part of several cell surface receptor complexes, but that apparently needs a coreceptor for ligand binding. Essential component of a neuregulin-receptor complex, although neuregulins do not interact with it alone. GP30 is a potential ligand for this receptor. Regulates outgrowth and stabilization of peripheral microtubules (MTs). Upon ERBB2 activation, the MEMO1-RHOA-DIAPH1 signaling pathway elicits the phosphorylation and thus the inhibition of GSK3B at cell membrane. This prevents the phosphorylation of APC and CLASP2, allowing its association with the cell membrane. In turn, membrane-bound APC allows the localization of MACF1 to the cell membrane, which is required for microtubule capture and stabilization.In the nucleus is involved in transcriptional regulation. Associates with the 5'-TCAAATTC-3' sequence in the PTGS2/COX-2 promoter and activates its transcription. Implicated in transcriptional activation of CDKN1A; the function involves STAT3 and SRC. Involved in the transcription of rRNA genes by RNA Pol I and enhances protein synthesis and cell growth.

Gene Name: v-erb-b2 avian erythroblastic leukemia viral oncogene homolog 2
Family/Subfamily: Protein Kinase , EGF Receptor
Synonyms: ERBB2, C-erb B2/neu protein, CD340, HER2, Herstatin, MLN 19, HER-2, Neu, NGL, Proto-oncogene c-ErbB-2, Proto-oncogene Neu, CD340 antigen, MLN19, p185erbB2, TKR1
Target Sequences: NM_004448 NP_004439.2 P04626

Publications (2)

1
Silencing of ErbB3/ErbB2 signaling by immunoglobulin-like Necl-2. Kawano S, Ikeda W, Kishimoto M, Ogita H, Takai Y. The Journal of biological chemistry. 2009 284:23793-805. (IP) [PubMed:19561085] [PMC:PMC2749152]
2
Prophylactic Evidence of MSCs-Derived Exosomes in Doxorubicin/Trastuzumab-Induced Cardiotoxicity: Beyond Mechanistic Target of NRG-1/Erb Signaling Pathway. Nesrine Ebrahim, Hajir A Al Saihati, Ola Mostafa, Amira Hassouna, Sameh Abdulsamea, Eman Abd El Aziz M El Gebaly, Nashwa Hassan Abo-Rayah, Dina Sabry, Mohamed El-Sherbiny, Abdelmonem G Madboly, Noha Ibrahim Hussien, Raja El Hasnaoui Saadani, Hasnaa Ali Ebrahim, Omnia A M Badr, Nehal M Elsherbiny, Rabab F Salim. International journal of molecular sciences. 2022 May;23: [Full Text Article] [PubMed:35682646] [PMC:PMC9181089]

☰ Filters
Products
Proteins (41)
Over-Expression Lysate (5)
Recombinant (36)
ERBB2 / HER2 (41)
Bind (4)
ELISA (4)
Func (4)
SDS-PAGE (8)
No (41)
6His, C-terminus (4)
6His, N-terminus (3)
DDK (Flag)-His, C-terminus (1)
DDK,C-terminus (4)
Fc (1)
Fc, C-terminus (3)
Fc-AVI, C-terminus (1)
GST (1)
GST, N-terminus (1)
His (1)
His, N-Terminal (1)
His,C-terminus (7)
His-GST (2)
His-GST, N-terminus (1)
His-T7 (1)
Human IgG Fc, C-terminus (2)
Myc-DDK (Flag) (6)
Human (28)
Mouse (5)
Rat (6)
293T Cells (2)
Baculovirus (1)
CHO Cells (1)
E. coli (7)
HEK 293 Cells (18)
Human (1)
Human Cells (4)
Mammalian Cells (2)
Sf9 Cells (3)
Wheat Germ Extract (2)
Purified (7)
Low endotoxin level (21)
Biologically active (4)
ERBB2 / HER2 Protein
Select
E. coli
6His, N-terminus
73.4 kD
1 mg/$1,355; 100 µg/$420; 20 µg/$323
ERBB2 / HER2 Protein - SDS-PAGE under reducing conditions and visualized by Coomassie blue staining
Select
HEK 293 Cells
6His, N-terminus
100 kDa
10 µg/$289; 50 µg/$360; 100 µg/$432
ERBB2 / HER2 Protein - 12.5% SDS-PAGE of human ERBB2 stained with Coomassie Blue
Select
Wheat Germ Extract
GST
164.45 kDa
2 µg/$439
ERBB2 / HER2 Protein - Measured by its binding ability in a functional ELISA. Immobilized human ErbB2 at 10 µg/mL (100 µL/well) can bind herceptin, the EC50 of herceptin is 7-90 ng/mL.
Select
HEK 293 Cells
His,C-terminus
Bind ELISA Func SDS-PAGE
Biologically active
Less than 1.0 EU/µg protein (determined by LAL method).
The recombinant human ERBB2 consists 636 amino acids and predicts a molecular mass of 70 kDa.
100 µg/$488; 1 mg/$2,393
Select
HEK 293 Cells
6His, N-terminus
70-80 kDa
100 µg/$298
ERBB2 / HER2 Protein - Measured by its binding ability in a functional ELISA. Immobilized human ErbB2 at 2.5 µg/ml can bind Herceptin with a linear range of 3.2-80 ng/ml.
Select
HEK 293 Cells
Human IgG Fc, C-terminus
Bind ELISA Func SDS-PAGE
Biologically active
Less than 1.0 EU/µg protein (determined by LAL method).
The recombinant human ErbB2/Fc chimera is a disulfide-linked homodimeric protein generated by proteolytic removal of the signal peptide. The monomer comprises 868 amino acids and has a calculated molecular mass of 96.1 kDa. As a result of glycosylation, the monomer migrates as an approximately 130-140 kDa protein in SDS-PAGE under reducing conditions.
100 µg/$441; 1 mg/$1,991
ERBB2 / HER2 Protein - Recombinant Epidermal Growth Factor Receptor 2 By SDS-PAGE
Select
E. coli
His, N-Terminal
42.2 kDa
10 µg/$275; 50 µg/$402; 100 µg/$642; 200 µg/$802; 1 mg/$1,876; 500 µg/$1,430; 5 mg/$2,838; 2 mg/$2,060
Select
Human Cells
Fc, C-terminus
Less than 1.0 EU/µg protein (determined by LAL method).
96.5kD
10 µg/$281; 50 µg/$395; 500 µg/$1,585; 1 mg/$2,157
ERBB2 / HER2 Protein - Recombinant Epidermal Growth Factor Receptor 2 By SDS-PAGE
Select
E. coli
His-GST
49.4 kDa
10 µg/$275; 50 µg/$402; 100 µg/$642; 200 µg/$802; 1 mg/$1,876; 500 µg/$1,430; 5 mg/$2,838; 2 mg/$2,060
ERBB2 / HER2 Protein - Western validation with an anti-DDK antibody * L: Control HEK293 lysate R: Over-expression lysate
Select
HEK 293 Cells
Myc-DDK (Flag)
134.7 kDa
100 µg/$710
Select
HEK 293 Cells
Fc, C-terminus
Less than 1.0 EU/µg protein (determined by LAL method).
97 kDa
100 µg/$721
Select
HEK 293 Cells
His,C-terminus
Less than 1.0 EU/µg protein (determined by LAL method).
71 kDa
100 µg/$926; 1 mg/$4,701
ERBB2 / HER2 Protein - Measured by its binding ability in a functional ELISA. Immobilized human ErbB2 at 10 µg/mL (100 µL/well) can bind herceptin, the EC50 of herceptin is 10-40 ng/mL.
Select
HEK 293 Cells
His,C-terminus
Bind ELISA Func SDS-PAGE
Biologically active
Less than 1.0 EU/µg protein (determined by LAL method).
The recombinant human ERBB2 consists of 153 amino acids and predicts a molecular mass of 17.1 kDa.
50 µg/$372; 500 µg/$1,285
ERBB2 / HER2 Protein
Select
HEK 293 Cells
His,C-terminus
SDS-PAGE
Less than 1.0 EU/µg protein (determined by LAL method).
The recombinant human ERBB2 consists of 184 amino acids and predicts a molecular mass of 20.9 kDa.
50 µg/$348; 200 µg/$570
Select
HEK 293 Cells
His,C-terminus
Bind ELISA Func SDS-PAGE
Biologically active
Less than 1.0 EU/µg protein (determined by LAL method).
The recombinant human ErbB2 comprises 641 amino acids and has a calculated molecular mass of 71 kDa. As a result of glycosylation, rh ErbB2 migrates as an approximately 100-110 kDa protein in SDS-PAGE under reducing conditions.
100 µg/$480; 1 mg/$2,324
ERBB2 / HER2 Protein
Select
Baculovirus
His-GST, N-terminus
SDS-PAGE
Less than 1.0 EU/µg protein (determined by LAL method).
The recombinant human ErbB2 (676-1255)/GST chimera consists of 817 amino acids and predictes a molecular mass of 92 kDa. It migrates as an approximately 100 kDa band in SDS-PAGE under reducing conditions.
50 µg/$364
ERBB2 / HER2 Protein
Select
HEK 293 Cells
Human IgG Fc, C-terminus
SDS-PAGE
Less than 1.0 EU/µg protein (determined by LAL method).
The secreted recombinant mouse ERBB2/Fc is a disulfide-linked homodimer. The reduced monomer comprises 872 amino acids and has a calculated molecular mass of 96.7 kDa. As a result of glycosylation, the apparent molecular mass of the recombinant protein is approximately 120-130 kDa in SDS-PAGE under reducing conditions.
100 µg/$441; 1 mg/$2,003
Select
HEK 293 Cells
His,C-terminus
SDS-PAGE
Less than 1.0 EU/µg protein (determined by LAL method).
The secreted recombinant mouse ERBB2 comprises 642 amino acids and has a calculated molecular mass of 71.1 kDa. As a result of glycosylation, the apparent molecular mass of the recombinant protein is approximately 100-110 kDa in SDS-PAGE under reducing conditions.
100 µg/$441; 1 mg/$2,003
Select
Mammalian Cells
6His, C-terminus
Less than 1.0 EU/µg protein (determined by LAL method).
70.1 kDa
10 µg/$281; 50 µg/$389
Select
HEK 293 Cells
None
Less than 1.0 EU/µg protein (determined by LAL method).
70.6 kDa
50 µg/$843
ERBB2 / HER2 Protein
Select
Sf9 Cells
DDK,C-terminus
138 kDa
20 µg/$677
ERBB2 / HER2 Protein
Select
Sf9 Cells
DDK,C-terminus
69 kDa
20 µg/$677
ERBB2 / HER2 Protein
Select
Sf9 Cells
DDK,C-terminus
64 kDa
20 µg/$677
ERBB2 / HER2 Protein
Select
HEK 293 Cells
DDK (Flag)-His, C-terminus
72 kDa
20 µg/$1,107
ERBB2 / HER2 Protein
Select
CHO Cells
DDK,C-terminus
137.7 kDa
50 µg/$1,111
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The data on this page has been compiled from LifeSpan internal sources, the National Center for Biotechnology Information (NCBI), and The Universal Protein Resource (UniProt).