2.4.1.340 alpha-D-mannose + alpha-D-mannose 1-phosphate in the synthetic direction it produces oligosaccharides with a degree of polymerization of 3, 4 and 5. The phosphorolysis reaction proceeds to completion, although activity is highest when the substrate has at least three residues [(1->2)-beta-D-mannosyl]2 + phosphate - ? 435323 2.4.1.340 D-fructose + alpha-D-mannose 1-phosphate - ? + phosphate - ? 435427 2.4.1.340 [(1->2)-beta-D-mannosyl]2 + alpha-D-mannose 1-phosphate in the synthetic direction it produces oligosaccharides with a degree of polymerization of 3, 4 and 5. The phosphorolysis reaction proceeds to completion, although activity is highest when the substrate has at least three residues [(1->2)-beta-D-mannosyl]3 + phosphate - ? 436168 2.4.1.340 [(1->2)-beta-D-mannosyl]2 + phosphate in the synthetic direction it produces oligosaccharides with a degree of polymerization of 3, 4 and 5. The phosphorolysis reaction proceeds to completion, although activity is highest when the substrate has at least three residues alpha-D-mannose 1-phosphate - r 436169 2.4.1.340 [(1->2)-beta-D-mannosyl]3 + alpha-D-mannose 1-phosphate in the synthetic direction it produces oligosaccharides with a degree of polymerization of 3, 4 and 5. The phosphorolysis reaction proceeds to completion, although activity is highest when the substrate has at least three residues [(1->2)-beta-D-mannosyl]4 + phosphate - ? 436170 2.4.1.340 [(1->2)-beta-D-mannosyl]3 + phosphate in the synthetic direction it produces oligosaccharides with a degree of polymerization of 3, 4 and 5. The phosphorolysis reaction proceeds to completion, although activity is highest when the substrate has at least three residues [(1->2)-beta-D-mannosyl]2 + alpha-D-mannose 1-phosphate - r 436171 2.4.1.340 [(1->2)-beta-D-mannosyl]4 + alpha-D-mannose 1-phosphate in the synthetic direction it produces oligosaccharides with a degree of polymerization of 3, 4 and 5. The phosphorolysis reaction proceeds to completion, although activity is highest when the substrate has at least three residues [(1->2)-beta-D-mannosyl]5 + phosphate - ? 436172 2.4.1.340 [(1->2)-beta-D-mannosyl]4 + phosphate in the synthetic direction it produces oligosaccharides with a degree of polymerization of 3, 4 and 5. The phosphorolysis reaction proceeds to completion, although activity is highest when the substrate has at least three residues [(1->2)-beta-D-mannosyl]3 + alpha-D-mannose 1-phosphate - r 436173 2.4.1.340 [(1->2)-beta-D-mannosyl]n + phosphate involved in GDP-D-mannose biosynthesis [(1->2)-beta-D-mannosyl]n-1 + alpha-D-mannose 1-phosphate - r 434892