Nucleotide codes
A Adenine
G Guanine
C Cytosine
T Thymine
U Uracil
R Purine (A or G)
Y Pyrimidine (C or T)
N Any nucleotide
W Weak (A or T)
S Strong (G or C)
M Amino (A or C)
K Keto (G or T)
B Not A (G or C or T)
H Not G (A or C or T)
D Not C (A or G or T)
V Not T (A or G or C)
【在 l**********t 的大作中提到】 : : Nucleotide codes : A Adenine : G Guanine : C Cytosine : T Thymine : U Uracil : R Purine (A or G) : Y Pyrimidine (C or T) : N Any nucleotide