>sp|Q9ZDT4|PSD_RICPR Phosphatidylserine decarboxylase proenzyme OS=Rickettsia prowazekii GN=psd MKQYNDLFKIIHREGYIFIASFALVSFLLASFNEKLGCIGFIATIWCIYFFRNPDRFVPI SDDLVISPADGIIQEIKEASPPPELGLGDLEMIRVSIFLNIFNIHVNRIPANGKILALHY NPGKFFNASLDKASLYNERQSVLMETDQGQKIVFVQIAGLIARRIVCDLEEDNEVKMGER YGIIRFGSRVDVYLPLKTALLVSKGQTAIGGETIIADFGRKKTEEFKFERK