NCIt definition : Human KRAS wild-type allele is located in the vicinity of 12p12.1 and is approximately
45 kb in length. This allele, which encodes GTPase KRas protein, plays a role in the
modulation of both cellular proliferation and differentiation. Mutations in the gene
are associated with juvenile myelomonocytic leukemia, Noonan syndrome 3 and cardiofaciocutaneous
syndrome.;