Enzyme EC numbers

EC (Enzyme Commission) numbers assigned by IUPAC-IUBMB

4. Lyases;
  4.6  Phosphorus-oxygen lyases;
    4.6.1  Phosphorus-oxygen lyases (only sub-subclass identified to date)
      4.6.1.-  FAD-AMP lyase (cyclizing); FMN cyclase; FAD AMP-lyase (cyclic-FMN-forming)