>sp|Q21LB9|ISPF_SACD2 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase OS=Saccharophagus degradans GN=ispF MRIGQGVDVHAFGDGDKIVIGGVVIPYERGLVAHSDGDVLLHALCDALLGAAALGDIGKH FPDTDSAYKNACSRTLLRMVYSKLKAKGYSLVNADMTIVAQAPKMAPHISDMRAKIAEDL DTHIDNINVKATTTEQLGFNGRKEGITALATVLIK