>sp|Q31C80|ISPD_PROM9 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase OS=Prochlorococcus marinus GN=ispD MHFLIPAAGSGSRMKAGKNKLLIDLEGESLIYWTLKSVFSASSTNWVGIIGQPKDKELLL NSAKNFAHKVHWINGGDTRQESVFNGLKALPKDAEKVLIHDGARCLINPELIDQCANQLD QNEAVILATKVTDTIKIVDNEGFIKETPDRNYLWAAQTPQGFLVDRLKKAHTMAIDKNWK VTDDASLFEMLNWKVKIIEGTYSNIKITSPIDLKIAKLFVKNSTPS