Proto-Oncogene Vav

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Proto-oncogene vav (845 aa, ~98 kDa) is encoded by the human VAV1 gene. This protein plays a role in the activation of small GTPases in the Rho and Rac families.

**Synonyms:** - Guanine Nucleotide Exchange Factor VAV1 - VAV - VAV-1 - VAV1 - Vav 1 Guanine Nucleotide Exchange Factor