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Western Blot (WB) (Figure 1. Western blot analysis of GRB7 using anti-GRB7 antibody (MBS1753535).Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 50ug of sample under reducing conditions.Lane 1: human HepG2 whole cell lysatesLane 2: human K562 whole cell lysatesLane 3: human SW620 whole cell lysatesLane 3: human A431 whole cell lysates.After Electrophoresis, proteins were transferred to a Nitrocellulose membrane at 150mA for 50-90 minutes. Blocked the membrane with 5% Non-fat Milk/ TBS for 1. 5 hour at RT. The membrane was incubated with rabbit anti-GRB7 antigen affinity purified polyclonal antibody (Catalog # MBS1753535) at 0. 5 μg/mL overnight at 4 degree C, then washed with TBS-0. 1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:10000 for 1. 5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # MBS176460) with Tanon 5200 system. A specific band was detected for GRB7 at approximately 60KD. The expected band size for GRB7 is at 60KD. )

Rabbit anti-Human GRB7 Polyclonal Antibody | anti-GRB7 antibody

Anti-GRB7 Antibody

Reactivity
Human
Applications
Western Blot, Flow Cytometry, Functional Assay, ELISA
Purity
Immunogen affinity purified.
Synonyms
GRB7; Polyclonal Antibody; Anti-GRB7 Antibody; Growth factor receptor-bound protein 7; B47; Epidermal growth factor receptor GRB-7; GRB7 adapter protein; growth factor receptor bound protein 7; anti-GRB7 antibody
Ordering
For Research Use Only!
Host
Rabbit
Reactivity
Human
Clonality
Polyclonal
Isotype
Rabbit IgG
Specificity
Rabbit IgG polyclonal antibody for GRB7 detection.
Purity/Purification
Immunogen affinity purified.
Form/Format
Lyophilized. Each vial contains 4mg Trehalose, 0.9mg NaCl, 0.2mg Na2HPO4, 0.01mg NaN3.
Applicable Applications for anti-GRB7 antibody
Western Blot (WB), Flow Cytometry (FC/FACS/FCM), Direct ELISA (EIA)
Application Notes
WB: 0.25-0.5ug/ml|Human|
FC/FACS/FCM: 1-3ug/1x106 cells|Human|
Direct ELISA: 0.1-0.5ug/ml|Human|
Immunogen
E Coli-derived human GRB7 recombinant protein (Position: R29-S256).
Reconstitution
Add 0.2ml of distilled water will yield a concentration of 500ug/ml.
Recommended Detection Systems
Recommended Detection Systems
Preparation and Storage
Store at -20 degree C for one year. After reconstitution, at 4 degree C for one month. It can also be aliquotted and stored frozen at -20 degree C for a longer time. Avoid repeated freezing and thawing.

Western Blot (WB)

(Figure 1. Western blot analysis of GRB7 using anti-GRB7 antibody (MBS1753535).Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 50ug of sample under reducing conditions.Lane 1: human HepG2 whole cell lysatesLane 2: human K562 whole cell lysatesLane 3: human SW620 whole cell lysatesLane 3: human A431 whole cell lysates.After Electrophoresis, proteins were transferred to a Nitrocellulose membrane at 150mA for 50-90 minutes. Blocked the membrane with 5% Non-fat Milk/ TBS for 1. 5 hour at RT. The membrane was incubated with rabbit anti-GRB7 antigen affinity purified polyclonal antibody (Catalog # MBS1753535) at 0. 5 μg/mL overnight at 4 degree C, then washed with TBS-0. 1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:10000 for 1. 5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # MBS176460) with Tanon 5200 system. A specific band was detected for GRB7 at approximately 60KD. The expected band size for GRB7 is at 60KD. )

Western Blot (WB) (Figure 1. Western blot analysis of GRB7 using anti-GRB7 antibody (MBS1753535).Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 50ug of sample under reducing conditions.Lane 1: human HepG2 whole cell lysatesLane 2: human K562 whole cell lysatesLane 3: human SW620 whole cell lysatesLane 3: human A431 whole cell lysates.After Electrophoresis, proteins were transferred to a Nitrocellulose membrane at 150mA for 50-90 minutes. Blocked the membrane with 5% Non-fat Milk/ TBS for 1. 5 hour at RT. The membrane was incubated with rabbit anti-GRB7 antigen affinity purified polyclonal antibody (Catalog # MBS1753535) at 0. 5 μg/mL overnight at 4 degree C, then washed with TBS-0. 1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:10000 for 1. 5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # MBS176460) with Tanon 5200 system. A specific band was detected for GRB7 at approximately 60KD. The expected band size for GRB7 is at 60KD. )

Flow Cytometry (FC/FACS)

(Figure 2. Flow Cytometry analysis of U20S cells using anti-GRB7 antibody (MBS1753535).Overlay histogram showing U20S cells stained with MBS1753535 (Blue line). The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-GRB7 Antibody (MBS1753535,1μg/1x106 cells) for 30 min at 20 degree C. DyLight®488 conjugated goat anti-rabbit IgG (5-10μg/1x106 cells) was used as secondary antibody for 30 minutes at 20 degree C. Isotype control antibody (Green line) was rabbit IgG (1μg/1x106) used under the same conditions. Unlabelled sample (Red line) was also used as a control. )

Flow Cytometry (FC/FACS) (Figure 2. Flow Cytometry analysis of U20S cells using anti-GRB7 antibody (MBS1753535).Overlay histogram showing U20S cells stained with MBS1753535 (Blue line). The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-GRB7 Antibody (MBS1753535,1μg/1x106 cells) for 30 min at 20 degree C. DyLight®488 conjugated goat anti-rabbit IgG (5-10μg/1x106 cells) was used as secondary antibody for 30 minutes at 20 degree C. Isotype control antibody (Green line) was rabbit IgG (1μg/1x106) used under the same conditions. Unlabelled sample (Red line) was also used as a control. )
Related Product Information for anti-GRB7 antibody
GRB7, growth factor receptor-bound protein 7, is a protein which in humans is encoded by the GRB7 gene. The product of this gene belongs to a small family of adaptor proteins that are known to interact with a number of receptor tyrosine kinases and signaling molecules. This gene encodes a growth factor receptor-binding protein that interacts with epidermal growth factor receptor(EGFR) and ephrin receptors. The protein plays a role in the integrin signaling pathway and cell migration by binding with focal adhesion kinase(FAK). Alternative splicing results in multiple transcript variants encoding different isoforms, although the full-length natures of only two of the variants have been determined to date. GRB7 is an SH2-domain adaptor protein that binds to receptor tyrosine kinases and provides the intra-cellular direct link to the Ras proto-oncogene. Human GRB7 is located on the long arm of chromosome 17, next to the ERBB2(alias HER2/neu) proto-oncogene. These two genes are commonly co-amplified(present in excess copies) in breast cancers. GRB7 though to be involved in migration, is well known to be over-expressed in testicular germ cell tumors, esophageal cancers, and gastric cancers.
References
1. Tanaka, S., Mori, M., Akiyoshi, T., Tanaka, Y., Mafune, K., Wands, J. R., Sugimachi, K. A novel variant of human Grb7 is associated with invasive esophageal carcinoma. J. Clin. Invest. 102: 821-827, 1998.
2. Vayssiere, B., Zalcman, G., Mahe, Y., Mirey, G., Ligensa, T., Weidner, K. M., Chardin, P., Camonis, J. Interaction of the Grb7 adapter protein with Rnd1, a new member of the Rho family. FEBS Lett. 467: 91-96, 2000.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
59,681 Da
NCBI Official Full Name
growth factor receptor-bound protein 7 isoform a
NCBI Official Synonym Full Names
growth factor receptor-bound protein 7
NCBI Official Symbol
GRB7
NCBI Protein Information
growth factor receptor-bound protein 7; B47; GRB7 adapter protein; epidermal growth factor receptor GRB-7
UniProt Protein Name
Growth factor receptor-bound protein 7
UniProt Gene Name
GRB7
UniProt Entry Name
GRB7_HUMAN

NCBI Description

The product of this gene belongs to a small family of adapter proteins that are known to interact with a number of receptor tyrosine kinases and signaling molecules. This gene encodes a growth factor receptor-binding protein that interacts with epidermal growth factor receptor (EGFR) and ephrin receptors. The protein plays a role in the integrin signaling pathway and cell migration by binding with focal adhesion kinase (FAK). Several transcript variants encoding two different isoforms have been found for this gene. [provided by RefSeq, Jun 2011]

Uniprot Description

GRB7: Adapter protein that interacts with the cytoplasmic domain of numerous receptor kinases and modulates down-stream signaling. Promotes activation of down-stream protein kinases, including STAT3, AKT1, MAPK1 and/or MAPK3. Promotes activation of HRAS. Plays a role in signal transduction in response to EGF. Plays a role in the regulation of cell proliferation and cell migration. Plays a role in the assembly and stability of RNA stress granules. Binds to the 5'UTR of target mRNA molecules and represses translation of target mRNA species, when not phosphorylated. Phosphorylation impairs RNA binding and promotes stress granule disassembly during recovery after cellular stress. Homodimer. Interacts (via SH2 domain) with EGFR, ERBB2, ERBB3 (when phosphorylated), ERBB4 (when phosphorylated), EPHB1, INSR, FGFR1, PDGFRA (tyrosine phosphorylated) and PDGFRB (tyrosine phosphorylated). Interacts with SHC1. Interacts with RND1. Interacts (when tyrosine phosphorylated) with FHL2 and HAX1. Interacts (via SH2 domain) with RET and PTK2/FAK1. Interacts (when not phosphorylated) with ELAVL1. In stressed cells, but not in normal cells, part of a complex that contains at least GRB7, PTK2/FAK1, STAU1, ELAVL1 and TIA1. Interacts (via SH2 domain) with KIT (phosphorylated). Interacts (via SH2 domain) with TEK/TIE2 (tyrosine phosphorylated). Belongs to the GRB7/10/14 family. 4 isoforms of the human protein are produced by alternative splicing.

Protein type: Adaptor/scaffold; Motility/polarity/chemotaxis

Chromosomal Location of Human Ortholog: 17q12

Cellular Component: focal adhesion; cell projection; stress granule; plasma membrane; cytosol

Molecular Function: identical protein binding; protein binding; SH3/SH2 adaptor activity; RNA binding; protein kinase binding; phosphoinositide binding

Biological Process: epidermal growth factor receptor signaling pathway; stress granule assembly; positive regulation of signal transduction; negative regulation of translation; blood coagulation; leukocyte migration; positive regulation of cell migration

Research Articles on GRB7

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Product Notes

The GRB7 grb7 (Catalog #AAA1753535) is an Antibody produced from Rabbit and is intended for research purposes only. The product is available for immediate purchase. The Anti-GRB7 Antibody reacts with Human and may cross-react with other species as described in the data sheet. AAA Biotech's GRB7 can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB), Flow Cytometry (FC/FACS/FCM), Direct ELISA (EIA). WB: 0.25-0.5ug/ml|Human| FC/FACS/FCM: 1-3ug/1x106 cells|Human| Direct ELISA: 0.1-0.5ug/ml|Human|. Researchers should empirically determine the suitability of the GRB7 grb7 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. It is sometimes possible for the material contained within the vial of "GRB7, Polyclonal Antibody" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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