TABLE 1.

Reference table for commonly used one letter abbreviations representing different nucleic acid populations.

	Guanosine	Adenosine	Cytidine	Thymidine
G	●
A		●
C			●
T				●
W		●		●
S	●		●
R	●	●
Y			●	●
H		●	●	●
B	●		●	●
D	●	●		●
V	●	●	●
N	●	●	●	●