In molecular biology,<unk>  is the name of a protein, the gene that encodes it, and the family and superfamily of proteins to which it belongs. The<unk>  superfamily of small GTPases includes the<unk> , Rho, Arf, Rab, and Ran families.
Ras
Src 
APC 
BRAF
AKT
PCNA
ErbB
CREB