>tr|D2AD73|D2AD73_SHIF2 Regulator of sigma D OS=Shigella flexneri serotype X GN=rsd MLNQLDNLTERVRGSNKLVDRWLHVRKHLLVAYYNLVGIKPGKESYMRLNEKALDDFCQS LVDYLSAGHFSIYERILHKLEGNGQLARAAKIWPQLEANTQQIMDYYDSSLETAIDHDNY LEFQQVLSDIGEALEARFVLEDKLILLVLDAARVKHPA