>tr|A0A509CNV8|A0A509CNV8_9ENTR Phosphatidylserine decarboxylase proenzyme OS=Salmonella sp. NCTC 6947 GN=psd MLNSFKLSLQYILPKLWLTRLAGWGASKRAGWLTKLVIDLFVKYYKVDMTEAQKPDTASY RTFNDFFVRPLRDDVRPLNTDPNILVMPADGVISQLGRIEEDKILQAKGHNYSLEALLAG NYLMADKFRNGTFVTTYLSPRDYHRVHMPCNGILREMIYVPGDLFSVNHLTAQNVPNLFA RNERVICLFDTEFGPMAQILVGATIVGSIETVWAGTITPPREGIIKRWTWPEGEHEGSVA LLKGQEMGRFKLGSTVINLFAPGKVNLIASLASLSVTKIGQPLATSTETFVAPEVEPAPL PAEEIKAEHDASPLVDNKKDDT