>tr|A0A2A2XGR3|A0A2A2XGR3_SHIFL Regulator of sigma D OS=Shigella flexneri GN=rsd MLNQLDNLTERVRGSNKLVDRWLHVRKHLLVAYYNLVGIKPGKESYMRLNEKALDDFCQS LVDYLSAGHFSIYERILHKLEGNGQLARAAKIWPQLEANTQQIMDYYDSSLETAIDHDNY LEFQQVLSDIGEALEARFVLEDKLILLVLDAARVKHPA