133957-16-1 Capsular polysaccharide, klebsiella k15 K15 Capsular polysaccharide Klebsiella K15 capsular polysaccharide beta-D-Galactopyranose, O-beta-D-galactopyranosyl-(1-3)-O-(O-beta-D-glucopyranosyl-(1-4)-alpha-D-glucopyranuronosyl-(1-2))-O-beta-D-galactopyranosyl-(1-4)-O-beta-D-glucopyranosyl-(1-6)-