>sp|Q637D7|LEXA_BACCZ LexA repressor OS=Bacillus cereus GN=lexA MEKLTKRQQDILDFIKLKVQEKGYPPSVREIGQAVGLASSSTVHGHLSRLEEKGYIRRDP TKPRAIEILGEDRMDTETQSVIQVPIVGKVTAGLPITAVESVEEHFPLPASIVAGADQVF MLRISGDSMIEAGIFDGDLVVVRQQQSAYNGEIVVALTEDNEATVKRFYKEKDHFRLQPE NSSLEPIILKQVSVIGKVIGVYRDLH