>sp|Q04B17|ARGR_LACDB Arginine repressor OS=Lactobacillus delbrueckii subsp. bulgaricus GN=argR MNYKERRQLIYELIQTNKIETQEQLLLLLQAHGANATQATISRDIRALHISKVPDDDGRS YYVKAPSAAVNRERQLKDAIRERVATVTAVQFTVVIQTSMKLTYAPILAGLIDDIDNDDV VGTIAGTDTLLVILKDAEAAASFADWAQAIVKERKIY