title: Nucleotide clusters in deoxyribonucleic acids. 3. Separation of pyrimidine isostichs according to base composition.
mesh_terms: D000588:Amines; D002247:Carbon Isotopes; D002852:Chromatography, Ion Exchange; D004269:DNA, Bacterial / Q000032:analysis* / Q000096:biosynthesis; D004926:Escherichia coli / Q000032:analysis*; D005561:Formates; D005827:Genetics, Microbial; D006863:Hydrogen-Ion Concentration; D008722:Methods; D009705:Nucleosides; D009711:Nucleotides / Q000032:analysis*; D009963:Orotic Acid / Q000378:metabolism; D010710:Phosphates / Q000378:metabolism; D010759:Phosphorus Isotopes; D011743:Pyrimidines; D013053:Spectrophotometry; D013237:Stereoisomerism; D013936:Thymidine
chemical_list: D000588:Amines; D002247:Carbon Isotopes; D004269:DNA, Bacterial; D005561:Formates; D009705:Nucleosides; D009711:Nucleotides; D010710:Phosphates; D010759:Phosphorus Isotopes; D011743:Pyrimidines; D009963:Orotic Acid; D013936:Thymidine