TABLE VII 

 Sedimentation of Poly U in Nucleoside Solutions *• '' 



^ Poly U cone, = 1.5 x 10-^ M 



Nucleoside cone. = 1.5 x lO-^W 

 '' From Huang and Ts'o, /. Mol. Biol. 16, 523 (1966); reproduced with permission of the 

 Academic Press. 



CYTIDINE 



ADENOSIKE 

 (O.OZM MgCl^) 



L-ADE-\OSlNE 



.ADENOSINE 



INOSINE 



N-6-METHYL-. ADENOSINE 



Fig. 4. 



Ultracentrifuge patterns of poly U (upper pattern in each 

 photograph) and poly U-nucleoside mixture (lower), each 

 in concentration of 1.5 x 10-^ M , at 5°C and 0.4 M NaCl, 

 HMP unless indicated. (From Huang and Ts'o, J . Mol. 

 Biol. 16, 523, 1966; reproduced with permission of Aca- 

 demic Press.) 



191 



