>sp|O58741|REG4_PYRHO Uncharacterized HTH-type transcriptional regulator PH1013 OS=Pyrococcus horikoshii GN=PH1013 MISTPLDDLDRAILKLLKKDARLTIAEISNQLKKPESTVHFRIKKLQERGVIEKYTIILG EPIRPRELALVVLEVDKPIIEDFLDRYMEYVTKTLSGFPEVLFVAKSGKEKIVALVGGED RDKLLKFIEENIESIPTLRSVQVLPISEIKKGDEISGFLAEV