>tr|A0A1Y3DZP7|A0A1Y3DZP7_HELPX Phosphatidylserine decarboxylase proenzyme OS=Helicobacter pylori SS1 GN=psd MVALSNALSRVFGSLAGYKFPSFIQKGINALYVKIFKIDLSEFEPLENYRSLNALFTRSL KKERPFDKSPNICIAPCDALITECAFLDNDSALQIKGMPYKAHELVGEINPLSPSFFYAN FYLSPKDYHHYHAPCDLEILEARYFAGKLLPVNKPSLHKNNNLFVGNERVTLVAKDIQGN RLYFVAVGALNVGKMRFNFDKNIQTNAKARFTQTYSYNPPIKVKKGDNLGNFEMGSTIVL FIQNTAFKDLKEKNVKFGESIGEFHAN