SOS-mediated nucleotide exchange on RAS (PDGF receptor:GRB2:SOS)

Stable Identifier
R-HSA-186834
Type
Reaction
Species
Homo sapiens
Compartment
cytosol, plasma membrane
Locations in the PathwayBrowser
Expand all
General
SVG | 
PNG
Low
Medium
High
 | PPTX  | SBGN
SOS-mediated nucleotide exchange on RAS (PDGF receptor:GRB2:SOS)
Click the image above or here to open this reaction in the Pathway Browser
The layout of this reaction may differ from that in the pathway view due to the constraints in pathway layout

SOS is the guanine nucleotide exchange factor (GEF) for RAS. SOS activates RAS nucleotide exchange from the inactive form (bound to GDP) to an active form (bound to GTP).

Literature References
PubMed ID Title Journal Year
9739761 Signal transduction via platelet-derived growth factor receptors

Ostman, A, Heldin, CH, Rönnstrand, L

Biochim Biophys Acta 1998
8388543 Platelet-derived growth factor receptor mediates activation of ras through different signaling pathways in different cell types

Satoh, T, Escobedo, JA, Kaziro, Y, Williams, LT, Fantl, WJ

Mol Cell Biol 1993
Participants
Input
Output
Participates
as an event of
Catalyst Activity

guanyl-nucleotide exchange factor activity of PDGF:Phospho-PDGF receptor dimer:Grb2:Sos1 [plasma membrane]

Physical Entity
PDGF:Phospho-PDGF receptor dimer:Grb2:Sos1 [plasma membrane] (Homo sapiens)
Activity
guanyl-nucleotide exchange factor activity (GO:0005085)
Orthologous Events
SOS-mediated nucleotide exchange on RAS (PDGF receptor:GRB2:SOS) (Caenorhabditis elegans)
SOS-mediated nucleotide exchange on RAS (PDGF receptor:GRB2:SOS) (Canis familiaris)
SOS-mediated nucleotide exchange on RAS (PDGF receptor:GRB2:SOS) (Danio rerio)
SOS-mediated nucleotide exchange on RAS (PDGF receptor:GRB2:SOS) (Drosophila melanogaster)
SOS-mediated nucleotide exchange on RAS (PDGF receptor:GRB2:SOS) (Gallus gallus)
SOS-mediated nucleotide exchange on RAS (PDGF receptor:GRB2:SOS) (Mus musculus)
SOS-mediated nucleotide exchange on RAS (PDGF receptor:GRB2:SOS) (Rattus norvegicus)
SOS-mediated nucleotide exchange on RAS (PDGF receptor:GRB2:SOS) (Sus scrofa)
SOS-mediated nucleotide exchange on RAS (PDGF receptor:GRB2:SOS) (Xenopus tropicalis)
Authored
Jassal, B  (2008-11-24)
Garapati, P V  (2008-11-24)
Reviewed
Heldin, CH  (2008-11-23)
Created
Jassal, B  (2006-08-24)
Cite Us!