A. 



66 



loo 



lOO 



B. 



C. 



D. 



54 



33 



8i 



51 



33 



19 



49 



67 



78 



52 



34 



22 



48 



66 



E. 



95 



93 



V'lg. I. Sedimentation patterns (A) : of phosphorylase a, and (1^), (C), (D) and (E) : of reaction mixtures 

 of phosphorylase a and PR in which increasing amounts of phosphorylase a have been converted to 

 phosj)horylase b. Centrifugations were carried out in the Spinco ultracentrifuge operating at a speed 



of 59,780 r.p.ni. 



References p. 2j8. 



