the substitution of thymine mucleotides ( pt ) in oligodeoxynucleotides by bromouracil nucleotides ( pbu ) changes the properties of the oligonucleotides in two ways : ( 1 ) it alters their mobility during deae-cellulose homochromatography1 .
C0028948
oligodeoxynucleotides
C0028953
oligonucleotides