Nucleotide base codes
提供: 広島大学デジタル博物館
ナビゲーションに移動検索に移動Nucleotide base codes (IUPAC)
Table 1. Summary of single-letter code recommendations [after Cornish-Bowden (1985)] Symbol Meaning Origin of designation ------ ------- --------------------- G G Guanine A A Adenine T T Thymine C C Cytosine U U Uracil R G or A puRine Y T or C pYrimidine M A or C aMino K G or T Ketone S G or C Strong interaction (3 H bonds) W A or T Weak interaction (2 H bonds) H A or C or T not-G, H follows G in the alphabet B G or T or C not-A, B follows A V G or C or A not-T (not-U), V follows U D G or A or T not-C, D follows C N G or A or T or C aNy
Table 1. IUPAC code for incomplete nucleic acid specification [after Johnson (2010)] ------------------------------------------------------------- Symbol Mnemonic Translation ------------------------------------------------------------- A A (adenine) C C (cytosine) G G (guanine) T T (thymine) U U (uracil) R puRine A or G (purines) Y pYrimidine C or T/U (pyrimidines) M aMino group A or C K Keto group G or T/U S Strong interaction C or G W Weak interaction A or T/U H not G A, C or T/U B not A C, G or T/U V not T/U A, C or G D not C A, G or T/U N aNy A, C, G or T/U -------------------------------------------------------------