The standard ambiguity codes can be used to represent sets of possible values in a DNA sequence.

Code Nucleotides
M {A, C}
R {A, G}
W {A, T}
S {C, G}
Y {C, T}
K {G, T}
V {A, C, G}
H {A, C, T}
D {A, G, T}
B {C, G, T}
N {A, C, G, T}
Topic revision: r3 - 11 Oct 2008 - 23:54:14 - BruceParrello
FIG.StandardAmbiguityCode moved from FIG.StandardAmbiguityCodes on 21 May 2008 - 08:36 by BruceParrello - put it back
 
NMPDR is a collaboration among researchers from the Computation Institute of the University of Chicago, the Fellowship for Interpretation of Genomes (FIG), Argonne National Laboratory, and the National Center for Supercomputing Applications (NCSA) at the University of Illinois. NMPDR is funded by the National Institute of Allergy and Infectious Diseases, National Institutes of Health, Department of Health and Human Services, under Contract HHSN266200400042C. Banner images are copyright © Dennis Kunkel.