GO:0008685

2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase activity

GO Category: 
molecular_function
Details: 
Catalysis of the reaction: 4-CDP-2-C-methyl-D-erythritol 2-phosphate = 2-C-methyl-D-erythritol 2,4-cyclic diphosphate + CMP.