Codon-anticodon interaction studied with oligonucleotides containing 3 -deazauridine, 4 -deoxyuridine or 3 -deaza- 4 -deoxyuridine. I. Synthesis by primer-dependent polynucleotide phosphorylase of oligonucleotides containing modofied nucleosides.

Adenosine Diphosphate Carbon Isotopes Chromatography, Gel Chromatography, Ion Exchange Chromatography, Paper Deoxyuridine Electrophoresis, Paper Hydrolysis Micrococcus/enzymology Pancreas/enzymology Phosphoric Diester Hydrolases Polynucleotides/chemical synthesis Polyribonucleotide Nucleotidyltransferase/isolation & purification Pyridones RNA Nucleotidyltransferases Ribonucleases Ribonucleosides Spectrophotometry Spleen/enzymology Ultraviolet Rays Uridine

Carbon Isotopes Polynucleotides Pyridones Ribonucleosides Adenosine Diphosphate RNA Nucleotidyltransferases Polyribonucleotide Nucleotidyltransferase Ribonucleases Phosphoric Diester Hydrolases Deoxyuridine Uridine