β Scribed by Takemoto, Kiichi
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Poly-L-, -D-, and -DL-lysine d e r i v a t i v e s having pendant n u c l e i c a c i d bases were prepared by using a polymer modification reaction.
Conformation of the polymers was s t u d i e d by CD and ORD measurements, and t h e e f f e c t s of pH of the system, as w e l l a s t h e s o l v e n t s on t h e h e l i c i t y of t h e polymers were i n v e s t i g a t e d i n d e t a i l .
F u r t h e r study about t h e complex formation between the complementary polymers revealed t h a t t h e complexes a r e formed by s p e c i f i c base p a i r i n g between pendant adenine and thymine or u r a c i l units of t h e polymers r e t a i n i n g t h e i r h e l i c a l conformations. The photodimerization between thymine containing poly-lysines w a s s t u d i e d next over a wide range of pH, and t h e i r confor- mational change was discussed i n r e l a t i o n t o t h e i r function a l i t i e s ,
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