Mondo Description An autosomal recessive genetic disorder caused by mutations in the DDB2 gene. This disease exhibits the mildest degree of sun sensitivity of all xeroderma pigmentosum complementation groups, although individuals are at high risk for skin cancer.

Uniprot Description An autosomal recessive pigmentary skin disorder characterized by solar hypersensitivity of the skin, high predisposition for developing cancers on areas exposed to sunlight and, in some cases, neurological abnormalities. The skin develops marked freckling and other pigmentation abnormalities. XP-E patients show a mild phenotype with minimal or no neurologic features.