>sp|Q57083|PERR_ECOLI HTH-type transcriptional regulator PerR OS=Escherichia coli GN=perR MKLLAKAPLNLLRAFEAAGRTGAFALAASELELSPSAISHAIRKLENLLDVRLFQRSTRE ITLTKEGEILLEHIQRGFNELQQGLALVTADESRPLRLHTAPSFAHQWLLPRLGKFIREN PSIDLRLSASTEYARFEQDDFDLDIVYGEPRPSPYEKIPLAVEELTPLCSPQLAERLKKP EDLYALTLIQCDVQLYQWKGWFEANKMTPPNNYGLRFDRSFMAIAAAVDGLGVVLESKLL AEREIASGKLVCPLVNSTSEIHYIGHYLVFPQHQHMHSALDVFKTWLLNELNLGKIR