IUB CODES A=Adenosine C=Cytidine G=Guanosine T=Thymidine B=C,G,orT D=A,G,orT H=A,C,orT V=A,C,orG R=A or G (puRine) Y=C or T (pYrimidine) K=A or T (Keto) M=A or C (aMino) S=G or C (Strong-3H bonds) W=A or T (Weak-2h bonds) N=aNy base
A=Adenosine C=Cytidine G=Guanosine T=Thymidine B=C,G,orT D=A,G,orT H=A,C,orT V=A,C,orG R=A or G (puRine) Y=C or T (pYrimidine) K=A or T (Keto) M=A or C (aMino) S=G or C (Strong-3H bonds) W=A or T (Weak-2h bonds) N=aNy base