The IUPAC code¶
The International Union of Pure and Applied Chemistry (IUPAC) defined the standard code for representing protein or DNA sequences.
Nucleic IUPAC Code¶
Code |
Nucleotide |
---|---|
A |
Adenine |
C |
Cytosine |
G |
Guanine |
T |
Thymine |
U |
Uracil |
R |
Purine (A or G) |
Y |
Pyrimidine (C, T, or U) |
M |
C or A |
K |
T, U, or G |
W |
T, U, or A |
S |
C or G |
B |
C, T, U, or G (not A) |
D |
A, T, U, or G (not C) |
H |
A, T, U, or C (not G) |
V |
A, C, or G (not T, not U) |
N |
Any base (A, C, G, T, or U) |