Reverse and/or complement DNA sequences. Separate sequences with line returns. Complementarity will follow the IUPAC convention.


          

IUPAC Degeneracies

BaseNameBases RepresentedComplementary Base
AAdenineAT
TThymidineTA
UUridine(RNA only)U A
GGuanidineGC
CCytidineCG
YpYrimidineC TR
RpuRineA GY
SStrong(3Hbonds)G CS*
WWeak(2Hbonds)A TW*
KKetoT/U GM
MaMinoA CK
Bnot AC G TV
Dnot CA G TH
Hnot GA C TD
Vnot T/UA C GB
NUnknownA C G TN
Source: http://hornet.bio.uci.edu/~hjm/projects/tacg/ (no longer online)

* Thanks to Joost Kolkman at Maxygen who pointed out that revcomp(S)=S and revcomp(W)=W; in the source above (no longer online), revcomp(S) was W and vice-versa, which is is incorrect. I knew that but hadn't verified.