References
VAV1,2 are GEFs for Rac1.
PMID:11080163
VAV2 is recruited by the CD19 co-receptor of the B cells and participates in the B cell receptor signaling.
PMID:12165654
in the T cell, VAV1 forms complex with LCP2.
This complex is involved in the T cell receptor and CD28 signaling cascades.