Claim: PAK2  is an enzyme that in humans is encoded by the PAK2 gene, it  is one of three members of Group I PAK family of serine/threonine kinases.
Evidence: Serine/threonine-protein kinase PAK 2 is an enzyme that in humans is encoded by the PAK2 gene. PAK2 is one of three members of Group I PAK family of serine/threonine kinases.