ID 2.4.1.48 DE heteroglycan alpha-mannosyltransferase. CA GDP-mannose + heteroglycan = GDP + 2(or 3)-alpha-D-mannosyl-heteroglycan. CC -!- The acceptor is a heteroglycan primer containing mannose, galactose CC and xylose. CC -!- 1,2- and 1,3-mannosyl bonds are formed. //