>tr|A0A509BFM8|A0A509BFM8_9ENTR Arginine repressor OS=Salmonella sp. NCTC 6947 GN=argR_1 MRSSAKQEELVRAFKALLKEEKFSSQGEIVLALQDQGFENINQSKVSRMLTKFGAVRTRN AKMEMVYCLPAELGVPTTSSPLKNLVLDIDYNDAVVVIHTSPGAAQLIARLLDSLGKAEG ILGTIAGDDTIFTTPASGFSVRDLYEAILELFEQEL