title: Synthesis and properties of poly (6-methylpurinylic acid), poly (6-methoxypurinylic acid), and poly (6-methylthiopurinylic acid).
mesh_terms: D002848:Chromatography, DEAE-Cellulose; D004355:Drug Stability; D006358:Hot Temperature; D006863:Hydrogen-Ion Concentration; D008239:Lysine; D008738:Methyl Ethers; D008837:Micrococcus / Q000201:enzymology; D009690:Nucleic Acid Conformation; D009691:Nucleic Acid Denaturation; D010770:Phosphotransferases; D010944:Plants / Q000201:enzymology; D011119:Polynucleotides / Q000096:biosynthesis; D011117:Polyribonucleotide Nucleotidyltransferase; D011684:Purine Nucleosides; D011685:Purine Nucleotides; D012343:RNA, Transfer; D013056:Spectrophotometry, Ultraviolet; D013329:Structure-Activity Relationship; D013440:Sulfides; D014316:Tritium
chemical_list: D008738:Methyl Ethers; D011119:Polynucleotides; D011684:Purine Nucleosides; D011685:Purine Nucleotides; D013440:Sulfides; D014316:Tritium; D012343:RNA, Transfer; D010770:Phosphotransferases; D011117:Polyribonucleotide Nucleotidyltransferase; D008239:Lysine