Base-+Nucleic+Acid+Codes

3 h bonds || 2 h bonds ||
 * Symbol || Meaning || Explanation ||
 * G || G || Guanine ||
 * A || A || Adenine ||
 * T || T || Thymine ||
 * C || C || Cytosine ||
 * R || A or G || puRine ||
 * Y || C or T || pYrimidine ||
 * M || A or C || aMino ||
 * K || G or T || Keto ||
 * S || C or G || Strong interactions
 * W || A or T || Weak Interactions
 * H || A, C, or T not G || H follows G in the alphabet ||
 * B || T, G, or C not A || B follows A in the alphabet ||
 * V || A, G, or C not T (not U) || V follows U in the alphabet ||
 * D || A, G, or T not C || D follows C in the alphabet ||
 * N || A, C, G, or T || Any Base ||