sp|B2RJ15|ISPD_PORG3 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase OS=Porphyromonas gingivalis (strain ATCC 33277 / DSM 20709 / CIP 103683 / JCM 12257 / NCTC 11834 / 2561) OX=431947 GN=ispD PE=3 SV=1