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SOS1 Antibody (Center)
Affinity Purified Rabbit Polyclonal Antibody (Pab)
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- BACKGROUND
Application 
| WB, E |
|---|---|
| Primary Accession | Q07889 |
| Reactivity | Human |
| Host | Rabbit |
| Clonality | Polyclonal |
| Isotype | Rabbit IgG |
| Calculated MW | 152464 Da |
| Antigen Region | 934-962 aa |
| Gene ID | 6654 |
|---|---|
| Other Names | Son of sevenless homolog 1, SOS-1, SOS1 |
| Target/Specificity | This SOS1 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 934-962 amino acids from the Central region of human SOS1. |
| Dilution | WB~~1:2000 |
| Format | Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification. |
| Storage | Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles. |
| Precautions | SOS1 Antibody (Center) is for research use only and not for use in diagnostic or therapeutic procedures. |
| Name | SOS1 |
|---|---|
| Function | Promotes the exchange of Ras-bound GDP by GTP (PubMed:8493579). Probably by promoting Ras activation, regulates phosphorylation of MAP kinase MAPK3 in response to EGF (PubMed:17339331). Catalytic component of a trimeric complex that participates in transduction of signals from Ras to Rac by promoting the Rac-specific guanine nucleotide exchange factor (GEF) activity (By similarity). |
| Tissue Location | Expressed in gingival tissues. |
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Provided below are standard protocols that you may find useful for product applications.
Background
Son of Sevenless 1 protein is an activator of ras proteins by stimulating the exchange of GDP for GTP on ras. Murine Son of Sevenless proteins have been shown to form a complex with activated EGF receptor, coupling tyrosine kinases to ras proteins. The SOS gene was originally isolated in Drosophila. Two mammalian homologues (mSOS1 and mSOS2) have been isolated from a mouse cDNA library and are expressed in a variety of mouse embryo and adult tissues. Human SOS1 and SOS2 homologs have also been isolated. The two mouse homologs are approximately 70% identical in composition. The mammalian SOS1 protein has a highly specific guanine nucleotide exchange activity towards p21ras. In epidermal growth factor stimulated cells, SOS1 interacts with SH3 domains of GRB2 and binds via SH2 domain to tyrosine 1068 of activated Epidermal Growth Factor receptor.
References
Roberts A.E., et.al., Nat. Genet. 39:70-74(2007).
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