ID 4.2.2.9 DE pectate disaccharide-lyase. AN exo-PATE. AN exopectate lyase. AN exopectic acid transeliminase. AN exo-PGL. AN exopolygalacturonate lyase. AN exopolygalacturonic acid-trans-eliminase. AN PATE. AN pectate exo-lyase. CA [(1->4)-alpha-D-galacturonosyl](n) = 4-(4-deoxy-alpha-D-galact-4- CA enuronosyl)-D-galacturonate + [(1->4)-alpha-D-galacturonosyl](n-2). CC -!- The enzyme catalyzes the eliminative cleavage of an unsaturated CC disaccharide from the reducing end of homogalacturonan (the backbone CC of smooth regions of pectate, also known as de-esterified pectin). DR Q05526, PLYW_DICD3 ; P22751, PLYX_DICCH ; //