The electronic structure of the purine-pyrimidine pairs of DNA.
D004247:DNA / Q000737:chemistry*; D011687:Purines; D011743:Pyrimidines
D011687:Purines; D011743:Pyrimidines; D004247:DNA; C030986:pyrimidine; C030985:purine
DESOXYRIBONUCLEIC ACID/chemistry