a pyrimidine phosphoribosyltransferase , previously shown to utilize 5-fluorouracil and possibly also uracil and orotate ( reyes , p. ( 1969 ) biochemistry 8 , 2057-2062 ) , has been purified about 100-fold from murine leukemia p1534j .
C0016360
5-fluorouracil
C0041917
uracil