Amino acid usage for various species

Tony Kwan kwan at
Thu Sep 1 15:56:51 EST 1994

Hello netters,

I am looking for any source out there, whether in the literature or on the
net, that gives a comparison of the amino acid usage frequencies between
different species such as human, mouse, yeast, drosophila, and plants. 
For example, I would like to know for instance the % of leucines in total
proteins for yeast and see how this number differs from mice.  Any help
would be appreciated.  Thanks in advance.

Tony Kwan
Dept. of Biochemistry, McGill University
kwan at

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