Genetic mapping of GLCLC, the human gene encoding the catalytic subunit of gamma-glutamyl-cysteine synthetase, to chromosome band 6p12 and characterization of a polymorphic trinucleotide repeat within its 5′ untranslated region. - Walsh,AC.; Li,W.; Rosen,DR.; Lawrence,DA. (Cytogenet Cell Genet, 1996)