Enzyme EC numbers

EC (Enzyme Commission) numbers assigned by IUPAC-IUBMB

2. Transferases;
  2.4  Glycosyltransferases;
    2.4.2  Pentosyltransferases
      2.4.2.-  xylogalacturonan beta-1,3-xylosyltransferase; xylogalacturonan xylosyltransferase; XGA 
               xylosyltransferase