>sp|O25911|PSD_HELPY Phosphatidylserine decarboxylase proenzyme OS=Helicobacter pylori GN=psd MVALSNALSRVFGSLAGYKFPSFIQKGINALYVKIFKIDLSEFEPLENYRSLNALFTRSL KKERPFDKSPNICIAPCDALITECAFLDNDSALQIKGMPYKAHELVGEINPLSPSFFYAN FYLSPKDYHHYHAPCDLEILEARYFAGKLLPVNKPSLHKNNNLFVGNERVTLVAKDIQGN RLYFVAVGALNVGKMRFNFDKNIQTNAKARFTQTYSYNPPIKVKKGDNLGNFEMGSTIVL FIQNTAFKDLKEKNVKFGESIGEFHAN