这是碱基的单字母命名方法,全部的对应关系如下：
B = C or G or T
D = A or G or T
H = A or C or T
K = G or T
M = A or C
N = A or C or G or T
R = A or G
S = C or G
V = A or C or G
W = A or T
Y = C or T
| 简并碱基 | 正常碱基 |
|---|---|
| R | A/G |
| Y | C/T |
| M | A/C |
| K | G/T |
| S |
G/C
|
| W | A/T |
| H | A/T/C |
| B | G/T/C |
| V | G/A/C |
| D | G/A/T |
| N | A/T/C/G |