Figure 8. pH dependence of activity of R. castenholzii MMD with native substrate (mevalonate 5-phosphate) or intermediate (mevalonate 3,5-bisphosphate).
Mevalonate 5-phosphate decarboxylase was assayed at 50 °C over a pH range of 4.3-9.1 with 10 mM mevalonate 5-phosphate (black) or 10 mM mevalonate 3,5-bisphosphate (blue).