5.4.2.7 2-Deoxyribose 5-phosphate - 5.4.2.7 alpha-D-ribose 1-phosphate - 5.4.2.7 alpha-D-ribose 1-phosphate PPM is involve in the salvage pathway of nucleoside synthesis 5.4.2.7 alpha-D-ribose 5-phosphate - 5.4.2.7 additional information the enzyme is involved in the salvage pathway of nucleoside synthesis 5.4.2.7 additional information Pgm3 functions as the major phosphoribomutase in vivo 5.4.2.7 Ribose 1-phosphate inducible enzyme. In order to enter the pentose phosphate cycle ribose 1-phosphate must be isomerized to ribose 5-phosphate