ID 3.2.1.130 DE glycoprotein endo-alpha-1,2-mannosidase. AN endo-alpha-D-mannosidase. CA H2O + N-{alpha-Glc-(1->3)-alpha-Man-(1->2)-alpha-Man-(1->2)-alpha- CA Man-(1->3)-[alpha-Man-(1->2)-alpha-Man-(1->3)-[alpha-Man-(1->2)-alpha- CA Man-(1->6)]-alpha-Man-(1->6)]-beta-Man-(1->4)-beta-GlcNAc-(1->4)-beta- CA GlcNAc}-L-asparaginyl-[protein] = alpha-D-glucosyl-(1->3)-D-mannopyranose CA + N(4)-{alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->2)-alpha- CA D-Man-(1->3)-[alpha-D-Man-(1->2)-alpha-D-Man-(1->6)]-alpha-D-Man-(1->6)]- CA beta-D-Man-(1->4)-beta-D-GlaNAc-(1->4)-beta-D-GlcNAc}-L-asparaginyl- CA [protein] (N-glucan mannose isomer 8A1,2,3B1,2). CC -!- The enzyme catalyzes the hydrolysis of the terminal alpha-D-glucosyl- CC (1->3)-D-mannosyl unit from the GlcMan9(GlcNAc)2 oligosaccharide CC component of N-glucosylated proteins during their processing in the CC Golgi apparatus. DR Q5SRI9, MANEA_HUMAN; Q6NXH2, MANEA_MOUSE; Q5RD93, MANEA_PONAB; DR Q5GF25, MANEA_RAT ; Q6DE40, MANEA_XENLA; //