NCIt definition : Human CDA wild-type allele is located within 1p36.2-p35 and is approximately 30 kb
in length. This allele, which encodes cytidine deaminase protein, plays a role in
the regulation of pyrimidine metabolism. Mutation of the gene is associated with decreased
sensitivity to the cytosine arabinoside that is used in the treatment of certain childhood
leukemias.;