although epr signals in the g approximately equal to 6 region are frequently observed with heme proteins , the only nonheme protein , other than lipoxygenase , reported to show an epr signal in this region is the phenolytic dioxygenase , protocatechuate 3,4-dioxygenase ( peisach , j. , fujisawa , h. , blumberg , w. e. , and hayaishi , o . ( 1972 ) fed . proc . 31 , 448 ) .
C0018974
heme proteins
C0033684
protein