name short_name abbrev originating_base
5-putrescinylthymine 5pT p T
3-methylthymine 3mT δ T
O4-methylthymine O4meT O T
1-methylthymine 1mT ] T
5,6-dihydrothymine dhT D T
β-glucosyl-hydroxymethyluracil baseJ J T
5-formyluracil 5fU e T
5-hydroxymethyluracil 5hmU g T
5-dihydroxypentyluracil dhpU ` T
5-carboxyluracil 5caU b T
2'-deoxyuridine dU U T
5,6-dihydroxy-2'-deoxyuridine DHdU ∝ T
5-(2-aminoethyl)uridine 5nmU π T
2'-deoxyinosine dI I A
7-methylguanine 7mG 7 G
6-O-methylguanine 6mG 6 G
3-methylguanine 3mG 3 G
2-methylguanine 2mG 2 G
1-methylguanine 1mG 1 G
8-oxoguanine 8oxoG 8 G
7-amido-7-deazaguanosine 7a7dG ∉ G
1,N2-ethenoguanine 12eG ⊆ G
N2,3-ethenoguanine 23eG ⊇ G
N2,N2-dimethylguanosine 2,2mG R G
N2-carboxyethylguanine 2ceG α G
5-methylcytosine 5mC m C
5-hydroxymethylcytosine 5hmC h C
5-glucosylmethylcytosine 5gmC × C
5-formylcytosine 5fC f C
5-carboxylcytosine 5caC 4 C
4-methylcytosine 4mC ν C
3,N4-ethenocytosine 34eC X C
3-methylcytosine 3mC ' C
3-ethylcytosine 3eC κ C
2-O-methylcytosine 2mC o C
1-methylcytosine 1mC ( C
9-methyladenine 9mA ) A
7-methyladenine 7mA η A
6-methyladenine 6mA a A
4-methyladenine 4mA ⇓ A
3-methyladenine 3mA ⇑ A
1-methyladenine 1mA " A
6-hydroxyaminopurine 6haA √ A
2-aminoadenine 2mA / A
2-amino-6-hydroxyaminopurine 2a6haA ≡ A
N6,N6-dimethyladenine 6,6mA ζ A
N6-carbamoylmethyladenine 6ncmA ~ A
