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