The superfamily of GTP-binding proteins, of which Ras proteins are prototypes, has been implicated in a broad range of biological activities. Studies have identified a family of guanine nucleotide-releasing factors (GRFs) that activate Ras in mammalian cells and an “adapter” protein (Sem 5/GRB2) that appears to mediate the interaction of GRFs with activated receptor molecules. Ras-GRF p140 promotes nucleotide exchange on Ras p21s but not on other members of the Ras gene superfamily. In addition, three mammalian homologs of the Drosophila Ras-GRF, son of sevenless (Sos), have been described. These include two from mouse, mSos 1 and mSos 2, and one from human, hSos. Vav p95 has been reported to function as a GRF in activation of Ras by the T cell receptor and has been reported to have a domain similar to that of Dbl p115, which is a GRF specific for Cdc42Hs. Subsequent to activation, Ras appears to interact with Raf, thereby activating the MAP kinase phosphorylation pathway.
Key Feature
Clonality
Polyclonal
Isotype
IgG
Host Species
Rabbit
Tested Applications
WBIPIFELISA
recommended for detection of Sos 2 p155 of mouse, rat and human origin by WB, IP, IF and ELISA also reactive with additional species, including equine, canine and bovine
Species Reactivity
HumanMouseRat
Concentration
1mg/ml
Purification
Affinity purified
Target Information
Alternative Names
epitope corresponding to amino acids 1091-1170 mapping near the C-terminus of Sos 2 of human origin
Tissue Specificity
epitope corresponding to amino acids 1091-1170 mapping near the C-terminus of Sos 2 of human origin
Western blot analysis of Sos 2 expression in J774.A1 whole cell lysate.
Application
Immunofluorescence staining of methanol-fixed SK-MEL-28 cells showing cytoplasmic localization.
Application Notes
recommended for detection of Sos 2 p155 of mouse, rat and human origin by WB, IP, IF and ELISA also reactive with additional species, including equine, canine and bovine
Additional Information
Form
Liquid
Storage Instructions
For short-term storage, store at 4° C. For long-term storage, aliquot and store at -20ºC or below. Avoid multiple freeze-thaw cycles.