>sp|B2TX73|LEXA_SHIB3 LexA repressor OS=Shigella boydii serotype 18 GN=lexA MKALTARQQEVFDLIRDHISQTGMPPTRAEIAQRLGFRSPNAAEEHLKALARKGVIEIVS GASRGIRLLQEEEEGLPLVGRVAAGEPLLAQQHIEGHYQVDPSLFKPNADFLLRVSGMSM KDIGIMDGDLLAVHKTQDVRNGQVVVARIDDEVTVKRLKKQGNKVELLPENSEFKPIVVD LRQQSFTIEGLAVGVIRNGDWL