>sp|B2U1U8|ARGR_SHIB3 Arginine repressor OS=Shigella boydii serotype 18 GN=argR MRSSAKQEELVKAFKALLKEEKFSSQGEIVAALQEQGFDNINQSKVSRMLTKFGAVRTRN AKMEMVYCLPAELGVPTTSSPLKNLVLDIDYNDAVVVIHTSPGAAQLIARLLDSLGKAEG ILGTIAGDDTIFTTPANGFTVKDLYEAILELFDQEL