>tr|A0A9P2QZV0|A0A9P2QZV0_ECOLX D-serine dehydratase OS=Escherichia coli O157 GN=dsdA MENAKMNSLIAQYPLVKDLVALKETTWFNPGTTSLAEGLPYVGLTEQDVQDAHARLSRFA PYLAKAFPETAATGGIIESELVAIPAMQKRLEKEYQQPISGQLLLKKDSHLPISGSIKAR GGIYEVLAHAEKLALEAGLLTLEDDYSKLLSPEFKQFFSQYSIAVGSTGNLGLSIGIMSA RIGFKVTVHMSADARAWKKAKLRSHGVTVVEYEQDYGVAVEEGRKAAQSDPNCFFIDDEN SRTLFLGYSVAGQRLKAQFAEQGRIVDADNPLFVYLPCGVGGGPGGVAFGLKLAFGDHVH CFFAEPTHSPCMLLGVHTGLHDQISVQDIGIDNLTAADGLAVGRASGFVGRAMERLLDGF YTLSDQTMYDMLGWLAQEEGIRLEPSALAGMAGPQRVCASVSYQQMHGFSAEQLRNATHL VWATGGGMVPEEEMEQYLAKGR