ID 3.2.1.82 DE exo-poly-alpha-digalacturonosidase. AN exo-poly-alpha-galacturonosidase. AN exopolygalacturanosidase. CA [(1->4)-alpha-D-galacturonosyl](n) + H2O = alpha-D-galacturonosyl-(1->4)- CA D-galacturonate + [(1->4)-alpha-D-galacturonosyl](n-2). CC -!- The enzyme, characterized from bacteria, hydrolyzes the second alpha- CC 1,4-glycosidic bond from the non-reducing end of polygalacturonate, CC releasing digalacturonate. DR P15922, PEHX_DICCH ; //