The MEME Suite
Motif-based sequence analysis tools
MAST IUPAC Ambiguous Characters
optional
letter
matches
DNA
protein
B
CGT
DN
D
AGT
H
ACT
K
GT
M
AC
N
ACGT
R
AG
S
CG
U
T
ACDEFGHIKLMNPQRSTVWY
V
CAG
W
AT
X
ACDEFGHIKLMNPQRSTVWY
Y
CT
Z
EQ
*
ACGT
ACDEFGHIKLMNPQRSTVWY
-
ACGT
ACDEFGHIKLMNPQRSTVWY