Known Activities	cellulose synthase (EC 2.4.1.12); chitin synthase (EC 2.4.1.16); dolichyl-phosphate β-D-mannosyltransferase (EC 2.4.1.83); dolichyl-phosphate β-glucosyltransferase (EC 2.4.1.117); N-acetylglucosaminyltransferase (EC 2.4.1.-); N-acetylgalactosaminyltransferase (EC 2.4.1.-); hyaluronan synthase (EC 2.4.1.212); chitin oligosaccharide synthase (EC 2.4.1.-); β-1,3-glucan synthase (EC 2.4.1.34); β-1,4-mannan synthase (EC 2.4.1.-); β-mannosylphosphodecaprenol�mannooligosaccharide α-1,6-mannosyltransferase (EC 2.4.1.199); α-1,3-L-rhamnosyltransferase (EC 2.4.1.-)
Mechanism	Inverting
3D Structure Status	GT-A
Note	Distant similarity to families GT12, GT21, GT27, GT55, GT81 etc.
External resources	Callose Synthases/Glucan Synth; CesA pages at Stanford; CSL pages at Michigan state Un; HOMSTRAD; InterPro;
Statistics	GenBank accession (19372); Uniprot accession (9599); PDB accession (8); 3D entries (3); cryst (0)