the ferrous enzyme , which was generated by flash photolysis of the co complex of the enzyme in an air-saturated buffer , reacted with o2 to form the oxyferrous enzyme with a second order rate constant of 9.2 x 10 ( 3 ) m-1.s-1 at ph 8.6 and 20 degrees c .
C0026741
complex
C0014442
enzyme