>tr|A0A3T2UQX5|A0A3T2UQX5_SHIFL Regulator OS=Shigella flexneri GN=gfcB MRPLILSIFALFLAGCTHSQQSMVDTFRASLFDNQDITVADQQIQALPYSTMYLRLNEGQ RIFVVLGYIEQEQSKWLSQDNAMLVTHNGRLLKTVKLNNNLLEVTNSGQDPLRNALAIKD GSRWTRDILWSEDNHFRSATLSSTFSFAGLETLNIAGRNVLCNVWQEEVTSTRPEKQWQN TFWVDSATGQVRQSRQMLGAGVIPVEMTFLKPAP