by adding the sequence beta- ( 1 leads to 4 ) -glcnac-beta- ( 1 leads to ) -asn or alpha fuc- ( 1 leads to 6 or 3 ) -beta- ( 1 leads to 4 ) -glcnac-beta- ( 1 leads to ) -asn to the oligosaccharides isolated from human urines of mannosidosis , fucosidosis and sialidosis , we are able to reconstitute numerous structures of asparaginyl-glycans .
C0028959
oligosaccharides
C0032594
glycans