ispF ISPF_ANAVT MTMSIRIGNGYDIHRLVSDRALILGGVHIPHELGLLGHSDADVLTHAIMDAMLGALSLGDIGHYFPPTDPQWAGADSLVLLNQVNELIRAQGWRIGNIDSVVVAERPKLKPHIKTMRDKLANVLQLEPNQIGVKATTNEKLGPVGREEGICAYAVVLLVSSDPVN Ava_1811 165 Converts 4-diphosphocytidyl-2-C-methyl-D-erythritol 2- phosphate into 2-C-methyl-D-erythritol 2,4-cyclodiphosphate (MECDP) and CMP (By similarity). 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase