>sp|B4S5L1|ISPF_PROA2 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase OS=Prosthecochloris aestuarii GN=ispF MRVGIGIDVHQFVENRKLIIGGIEIPHTMGLKGHSDADVLLHAISDALLGAAALGDIGKH FPDTSPDFKDIDSRILLRHVGKLIADEGYTIVNIDSMLLMERPKVAPYIVAMRESIAECL DIETSRVSVKATTNEKLGYIGRQEGAAAHAVCLIEEK