NCIt definition : Human UGT1A4 wild-type allele is located in the vicinity of 2q37 and is approximately
55 kb in length. This allele, which encodes UDP-glucuronosyltransferase 1-4 protein,
plays a role in the catabolism of xenobiotics. Mutation of the gene is associated
with Gilbert syndrome and Crigler-Najjar syndrome types 1 and 2.;