title: An alternative nucleobase code: characterization of purine-purine DNA double helices bearing guanine-isoguanine and diaminopurine 7-deaza-xanthine base pairs.
authors.affiliation: Department of Chemistry, University of California-Riverside, Riverside, CA 92521, USA.
authors.forename: Benjamin D
authors.initials: BD
authors.lastname: Heuberger
authors.forename: Christopher
authors.initials: C
authors.lastname: Switzer
mesh_terms: D020029:Base Pairing; D002942:Circular Dichroism; D004247:DNA / Q000737:chemistry*; D006147:Guanine / Q000737:chemistry; D006860:Hydrogen Bonding; D009841:Oligonucleotides / Q000138:chemical synthesis* / Q000737:chemistry; D011687:Purines / Q000737:chemistry*; D011743:Pyrimidines / Q000737:chemistry; D014970:Xanthines / Q000737:chemistry
chemical_list: C115661:7-deazaxanthine; D009841:Oligonucleotides; D011687:Purines; D011743:Pyrimidines; D014970:Xanthines; D006147:Guanine; D004247:DNA; C008183:isoguanine