>tr|F4VD44|F4VD44_ECOLX Pyrimidine utilization regulatory protein R OS=Escherichia coli H591 GN=ECPG_02216 MTQGAVKTTGKRSRAVSAKKKAILSAALDTFSQFGFHGTRLEQIAELAGVSKTNLLYYFP SKEALYIAVLRQILDIWLAPLKAFREDFAPLAAIKEYIRLKLEVSRDYPQASRLFCMEML AGAPLLMDELTGDLKALIDEKSALIAGWVKSGKLAPIDPQHLIFMIWASTQHYADFAPQV EAVTGATLRDEVFFNQTVENVQRIIIEGIRPR