ViennaRNA Nucleobase and Base Pair Picture Book (BPPB)
All images by Andrea Tanzer and Ronny Lorenz published under CC-BY 4.0 licence. Own work using MarvinSketch and Inkscape.
Classical Nucleobases
Guanine (C)
RNA DNA
RNA DNA
Cytosine (C)
RNA DNA
RNA DNA
Adenine (A)
RNA DNA
RNA DNA
Uracil (U)
RNA
RNA
Thymine (T)
DNA
DNA
Modified Bases
Hypoxanthine (I)
RNA
RNA
nucleobase of inosine
Pseudouracil (Ψ)
RNA
RNA
nucleobase of pseudouridine
N6-methyl-adenine (m6A)
RNA DNA
RNA DNA
methyl syn conformation
N6-methyl-adenine (m6A)
RNA DNA
RNA DNA
methyl anti conformation
7-deaza-adenine (7DA)
RNA DNA
RNA DNA
nucleobase of tubercidin
Purine (P)
RNA
RNA
nucleobase of nebularin
Canonical Base Pairs
Guanine - Cytosine
(G•C)
RNA DNA
(G•C)
RNA DNA
Adenine - Uracil
(A•U)
RNA
(A•U)
RNA
Guanine - Uracil
(G•U)
RNA
(G•U)
RNA
Base Pairs with Modified Nucleotides
Hypoxanthine - Cytosine
(I•U)
RNA
(I•U)
RNA
Hypoxanthine - Adenine
(I•A)
RNA
(I•A)
RNA
Hypoxanthine - Uracil
(I•U)
RNA
(I•U)
RNA
Pseudouracil - Guanine
(Ψ•G)
RNA
(Ψ•G)
RNA
Pseudouracil - Adenine
(Ψ•A)
RNA
(Ψ•A)
RNA
Pseudouracil - Uracil
(Ψ•U)
RNA
(Ψ•U)
RNA
Pseudouracil - Uracil
(Ψ•U)
RNA
(Ψ•U)
RNA
N6-methyl-adenine - Uracil
(m6A•U)
RNA
(m6A•U)
RNA
7-deaza-adenine - Uracil
(7DA•U)
RNA
(7DA•U)
RNA
Purine - Uracil
(P•U)
RNA
(P•U)
RNA