in the medullary collecting ducts , there was also considerable cell-to-cell variation in the content and distribution of glycogen and glycoconjugates having n-linked sugar chains , terminal alpha-galactose , alpha-fucose , alpha-n-acetylgalactosamine , and the disaccharide galactose- ( beta 1 -- -- 3 ) -n-acetylgalactosamine .
C0017906
glycoconjugates
C0007004
sugar