Char | ATGC | Nomenclature of nucleobase |
---|---|---|
G | G | Guanine |
A | A | Adenine |
T | T | Thymine |
C | C | Cytosine |
U | U | Uracil |
R | G or A | puRine |
Y | T or C | pYrimidine |
M | A or C | aMino at 6-purine on 2-pyrimidine |
K | G or T | Keto at 6-purine / 2-pyrimidine |
S | G or C | Strong interaction(H-bonds x 3) |
W | A or T | Weak interaction(H-bonds x 2) |
H | A or C or T | not-G, H follows G in the alphabet |
B | G or T or C | not-A, B follows A |
V | G or C or A | not-T(not-U), V follows U |
D | G or A or T | not-C, D follows C |
N | G or A or T or C | aNy |