2.7.8.37 alpha-D-ribose 1-methylphosphonate 5-triphosphate synthase methylphosphonate degradation II - 3.1.4.57 phosphoribosyl 1,2-cyclic phosphate 1,2-diphosphodiesterase methylphosphonate degradation II - 3.6.1.63 alpha-D-ribose 1-methylphosphonate 5-triphosphate diphosphatase methylphosphonate degradation II - 4.7.1.1 alpha-D-ribose 1-methylphosphonate 5-phosphate C-P-lyase methylphosphonate degradation II -