>sp|A8EXZ0|PSD_RICCK Phosphatidylserine decarboxylase proenzyme OS=Rickettsia canadensis GN=psd MKHYNDLFKIIHREGYIFIASFALVSFLLASFNTKLGCIGFIATAWCIYFFRNPDRYVPI NDDLVISPADGVIQEIKEALPPPELGLGDVAMIRVSIFLNIFNVHVNRIPANGKILALHY NPGKFFNASLDKASIYNERQSVLMETDQGQKIIFVQIAGLIARRIICDLEEGNEVKTGER YGIIRFGSRVDVYLPLKTALLVSKGQTTIGGETIIADFGRKKTAQFKFKRK