ID 3.5.1.118 DE gamma-glutamyl hercynylcysteine S-oxide hydrolase. CA gamma-L-glutamyl-hercynylcysteine S-oxide + H2O = L-glutamate + CA S-(hercyn-2-yl)-L-cysteine S-oxide. CC -!- The enzyme is part of the biosynthesis pathway of ergothioneine in CC mycobacteria. DR A0R5M9, EGTC_MYCS2 ; Q8VIV2, EGTC_MYCTO ; O69670, EGTC_MYCTU ; //