single letter bases

John Nash nash at
Fri Apr 2 20:45:30 EST 1993

In article <1993Apr2.213624.25973 at> skspoidn at writes:
>From: skspoidn at
>Subject: single letter bases
>Date: 2 Apr 93 21:37:14 GMT

>S=GC, W=AT...S stands for strong, W for weak,
> correspondong to 3 or 2 H bonds and the strength 
>of the pairing in the link.

>That leaves K (keto) which is G or T
>M (which means methyl) and is A or C

>Personally, I find all of these easy to remember except K vs M.
> The mnemonic I use here is that since G can be methylated, 
>it must start out Ketone (ie K), 
>and from this all others can be derived :)

This is neato!  I never can remember S, W, K or M... the others are pretty 
easy to remember.


cheers, John

John Nash                           | Email: Nash at
Institute for Biological Sciences,  | National Research Council of Canada,
Cell Physiology Group.              | Ottawa, Ontario, Canada.
             *** Disclaimer:  All opinions are mine, not NRC's! ***

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