ALPHABET "DNA" DNA-LIKE

# Core symbols
A "Adenine" CC0000 ~ T "Thymine" 008000
C "Cytosine" 0000CC ~ G "Guanine" FFB300

# Ambiguous symbols
U = T # alias Uracil to Thymine (permit U in input sequences)
R = AG
Y = CT
K = GT
M = AC
S = CG
W = AT
B = CGT
D = GAT
H = ACT
V = ACG
N = ACGT # wildcard symbol
X = ACGT # alias for wildcard symbol