ID 6.3.2.23 DE Homoglutathione synthase. AN Beta-alanine specific hGSH synthetase. AN Homoglutathione synthetase. CA ATP + gamma-L-glutamyl-L-cysteine + beta-alanine = ADP + phosphate + CA gamma-L-glutamyl-L-cysteinyl-beta-alanine. CC -!- Not identical with EC 6.3.2.3. //