title: The effects of thioketo substitution upon uracil-adenine interactions in polyribonucleotides. Synthesis and properties of poly (2-thiouridylic acid) and poly(2,4-dithiouridylic acid).
mesh_terms: D000227:Adenine Nucleotides; D002247:Carbon Isotopes; D002474:Cell-Free System; D002942:Circular Dichroism; D009691:Nucleic Acid Denaturation; D010452:Peptide Biosynthesis; D010649:Phenylalanine; D010727:Phosphoric Diester Hydrolases; D011072:Poly U / Q000032:analysis / Q000138:chemical synthesis / Q000378:metabolism; D011119:Polynucleotides / Q000032:analysis*; D011117:Polyribonucleotide Nucleotidyltransferase; D012972:Sodium Hydroxide; D013056:Spectrophotometry, Ultraviolet; D013891:Thiouridine; D014316:Tritium; D014500:Uracil Nucleotides / Q000032:analysis*
chemical_list: D000227:Adenine Nucleotides; D002247:Carbon Isotopes; D011119:Polynucleotides; D014500:Uracil Nucleotides; D014316:Tritium; D013891:Thiouridine; D011072:Poly U; D010649:Phenylalanine; D012972:Sodium Hydroxide; D011117:Polyribonucleotide Nucleotidyltransferase; D010727:Phosphoric Diester Hydrolases