JAK2 phosphorylates VAV1 in EPO:p-8Y-EPOR:p-12Y-JAK2:LYN:IRS2:p-Y-CRKL:RASGEF1:p-Y-SHC1:GRB2:VAV1

Stable Identifier
R-HSA-9029151
Type
Reaction [transition]
Species
Homo sapiens
Compartment
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Phosphorylated JAK2 phosphorylates VAV1 bound to GRB2 in a large complex assembled on the phosphorylated EPOR (Odai et al. 1997, Shigematsu et al. 1997). Phosphorylation of VAV1 activates its guanine nucleotide exchange activity (inferred from the mouse homolog).

Literature References
PubMed ID Title Journal Year
9162069 Role of the vav proto-oncogene product (Vav) in erythropoietin-mediated cell proliferation and phosphatidylinositol 3-kinase activity

Shigematsu, H, Iwasaki, H, Otsuka, T, Ohno, Y, Arima, F, Niho, Y

J. Biol. Chem. 1997
9209406 The signal transduction through Grb2/Ash in hematopoietic cells

Odai, H, Hanazono, Y, Sasaki, K, Iwamatu, A, Yazaki, Y, Hirai, H

Leukemia 1997
Participants
Participates
Catalyst Activity

protein tyrosine kinase activity of EPO:p-8Y-EPOR:p-12Y-JAK2:LYN:IRS2:p-CRKL:RAPGEF1:p-Y-SHC1:GRB2:VAV1 [plasma membrane]

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