Z-domain of protein A scaffold protein anti-Human HER-2/neu
CAT#: SZA-L223
This HER-2/neu specific binding protein (Z-domain of protein A) was investigated by an α-helix shuffling strategy. The primary scaffold protein was from a naive combinatorial library of the three-helix bundle Z domain derived from staphylococcal protein A. A hierarchical library was constructed through selective re-randomization of six amino acid positions in one of the two α-helices of the domain, making up the Taq DNA polymerase binding surface. After selections using monovalent phage display technology, second generation variants were identified having affinities for HER-2/neu as determined by biosensor technology. It's potential to be used in diagnostic, research and therapeutic applications.
Gene Expression
Subcellular Location
Figure 1 IF staining of human cell line U-251 MG
Immunofluorescent staining of human cell line U-251 MG shows localization to plasma membrane.
* Image credit: Image credit: Human Protein Atlas v21.proteinatlas.org/images/1060/169_D12_1_selected.jpg
Subcellular Location
Figure 2 IF staining of human cell line A-431
Immunofluorescent staining of human cell line A-431 shows localization to plasma membrane.
* Image credit: Image credit: Human Protein Atlas v21.proteinatlas.org/images/1338/if_selected.jpg
Normal Tissue
Figure 3 High expression in esophagus
* Image credit: Image credit: Human Protein Atlas v21.proteinatlas.org/images/1383/4682_B_5_1_val_selected.jpg
Normal Tissue
Figure 4 IHC staining of human rectum
Immunohistochemical staining of human rectum shows weak cytoplasmic positivity in glandular cells.
* Image credit: Image credit: Human Protein Atlas v21.proteinatlas.org/images/43/ihc_selected.jpg
Normal Tissue
Figure 5 IHC staining of human urinary bladder
Immunohistochemical staining of human urinary bladder shows moderate cytoplasmic and membranous positivity in urothelial cells.
* Image credit: Image credit: Human Protein Atlas v21.proteinatlas.org/images/20416/ihc_selected.jpg
Normal Tissue
Figure 6 Kidney
Collecting ducts Staining: Low Intensity: Moderate Quantity: <25% Distal tubules Staining: Low Intensity: Moderate Quantity: <25%
* Image credit: Image credit: Human Protein Atlas v21.proteinatlas.org/images/43/1054_A_7_5.jpg
Normal Tissue
Figure 7 Breast
Glandular cells Staining: Medium Intensity: Moderate Quantity: 75%-25% Location: Cytoplasmic/ membranous Myoepithelial cells Staining: Medium Intensity: Moderate Quantity: 75%-25% Location: Cytoplasmic/ membranous
* Image credit: Image credit: Human Protein Atlas v21.proteinatlas.org/images/20416/45831_B_3_4.jpg
RNA Expression
Figure 8 RNA cell line category: Group enriched (OE19, SK-BR-3)
Cell lines ordered by descending RNA expression order
* Image credit: Image credit: Human Protein Atlas v21.proteinatlas.org/ENSG00000141736-ERBB2
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Specifications
- Scaffold Name
- Z-domain of protein A
- Origin
- Staphylococcal protein A
- Core Structure
- 3-α helixes
- Variable Regions
- 13 Residues on first and second helix surface
- Target
- HER-2/neu
- Species Reactivity
- Human
- Expression Host
- E. coli
- Applications
- ELISA; IHC; Microscopy; FC; WB; FuncS
Target
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Related Diseases
Bladder Cancer
Non-small Cell Lung Cancer
Related Signaling Pathways
ErbB Signaling Pathway
Downloadable Resources
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Datasheet
MSDS
COA
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| TAB-0193CL | Human Anti-ERBB2 Recombinant Antibody (TAB-0193CL) | ELISA, ADCC, Cyt, Internalization | Human IgG |
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| Gly-117LC | Recombinant Anti-Human ERBB2 Antibody (Fc glycosylation) | ELISA | Humanized antibody |
| Gly-145LC | Recombinant Anti-Human ERBB2 Antibody (Fc glycosylation) | ELISA | Human antibody |
| Gly-146LC | Recombinant Anti-Human ERBB2 Antibody (Fc glycosylation) | ELISA | Human antibody |
| Gly-147LC | Recombinant Anti-Human ERBB2 Antibody (Fc glycosylation) | ELISA | Human antibody |
| Gly-148LC | Recombinant Anti-Human ERBB2 Antibody (Fc glycosylation) | ELISA | Human antibody |
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| MOR-4586 | Hi-Affi™ Rabbit Anti-ERBB2 Recombinant Antibody (clone TH99DS) | WB | Rabbit IgG |
| MOR-4587 | Hi-Affi™ Rabbit Anti-ERBB2 Recombinant Antibody (clone TH100DS) | WB | Rabbit IgG |
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| HPAB-0733LY | Human Anti-ERBB2 Recombinant Antibody (clone AH06) | ELISA | Human IgG |
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| AFC-TAB-005 | Afuco™ Anti-ERBB2 ADCC Recombinant Antibody, ADCC Enhanced (AFC-TAB-005) | FC, IP, ELISA, Neut, FuncS, IF | ADCC enhanced antibody |
| CAT | Product Name | Application | Type |
|---|---|---|---|
| VS-0424-XY91 | AbPlus™ Anti-ERBB2 Magnetic Beads (3.F2) | IP, Protein Purification | |
| VS-0724-YC1516 | AbPlus™ Anti-Erbb2 Magnetic Beads (VS-0724-YC1516) | IP, Protein Purification |
| CAT | Product Name | Application | Type |
|---|---|---|---|
| VS-0125-FY24 | Human Anti-ERBB2 (clone 1.18.1) scFv-Fc Chimera | FC, BI | Human IgG1, scFv-Fc |
| CAT | Product Name | Application | Type |
|---|---|---|---|
| VS-0225-XY108 | CytoStream™ Mouse Anti-ERBB2 Recombinant Antibody (clone 24D2) | FC | Mouse IgG1, kappa |
| CAT | Product Name | Application | Type |
|---|---|---|---|
| VS-0425-YC430 | Recombinant Anti-ERBB2 Vesicular Antibody, EV Displayed (VS-0425-YC430) | ELISA, FC, Neut, Cell-uptake |
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|---|---|---|---|
| VS-0525-XY2335 | Anti-ERBB2 Immunohistochemistry Kit | IHC | |
| VS-0525-XY2336 | Anti-Mouse ERBB2 Immunohistochemistry Kit | IHC |
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| VS-0525-YC3 | Recombinant Anti-ERBB2 Biparatopic Antibody, Symmetric scFv-Fab | ELISA | Symmetric scFv-Fab |
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