>tr|A0A9X3BD64|A0A9X3BD64_YERPE Type III secretion system export apparatus switch protein YscU OS=Yersinia pestis subsp. pestis GN=yscU MSGEKTEQPTPKKIRDARKKGQVAKSKEVVSTALIVALSAMLMGLSDYYFEHFSKLMLIP AEQSYLPFSQALSYVVDNVLLEFFYLCFPLLTVAALMAIASHVVQYGFLISGEAIKPDIK KINPIEGAKRIFSIKSLVEFLKSILKVVLLSILIWIIIKGNLVTLLQLPTCGIECITPLL GQILRQLMVICTVGFVVISIADYAFEYYQYIKELKMSKDEIKREYKEMEGSPEIKSKRRQ FHQEIQSRNMRENVKRSSVVVANPTHIAIGILYKRGETPLPLVTFKYTDAQVQTVRKIAE EEGVPILQRIPLARALYWDALVDHYIPAEQIEATAEVLRWLERQNIEKQHSEML