NCIt definition : Human GAS1 wild-type allele is located within 9q21.3-q22 and is approximately 3 kb
in length. This allele, which encodes growth arrest-specific protein 1, is involved
in cell growth suppression through cell cycle arrest. Mutations in this gene play
a role in holoprosencephaly.;
NCIt note : This gene is a putative tumor suppressor gene.;