NCIt definition : Human GSTT1 wild-type allele is located in the vicinity of 22q11.23 and is approximately
8 kb in length. This allele, which encodes glutathione S-transferase theta-1 protein,
is involved in the conjugation of reduced glutathione with both endogenous and exogenous
hydrophobic electrophilic compounds. The GSTT1 null genotype is associated with an
increased risk for the development of cancer.;