>tr|A0A509C836|A0A509C836_9ENTR Phosphatidylserine decarboxylase proenzyme OS=Salmonella sp. NCTC 3046 GN=psd MLNSFKLSLQYILPKLWLTRLAGWGASKRAGWLTKLVIDLFVKYYKVDMTEAQKPDTASY RTFNDFFVRPLRDDVRPLNTDPNILVMPADGVISQLGRIEEDKILQAKGHNYSLEALLAG NYLMADKFRNGTFVTTYLSPRDYHRVHMPCNGILREMIYVPGDLFSVNHLTAQNVPNLFA RNERVICLFDTEFGPMAQILVGATIVGSIETVWAGTITPPREGIIKRWTWPEGEHEGSVA LLKGQEMGRFKLGSTVINLFAPGKVNLIASLASLSVTKIGQPLATSTETFVAPEVEPAPL PAEEIKAEHDASPLVDNKKDDT