Enzyme EC numbers

EC (Enzyme Commission) numbers assigned by IUPAC-IUBMB

2. Transferases;
  2.7  Transferring phosphorus-containing groups;
    2.7.7  Nucleotidyltransferases
      2.7.7.-  CDP-archaeol synthase; CDP-2,3-di-O-geranylgeranyl-sn-glycerol synthase; CTP:2,3-GG-GP 
               ether cytidylyltransferase; CTP:2,3-di-O-geranylgeranyl-sn-glycero-1-phosphate 
               cytidyltransferase