Resource for abundance of amino acids in different species?

30 July 2013 1 1K Report

I am looking for numbers of amino acid abundance in the total proteins of different species, e.g. E.coli 3% Ala, 5 % Gly...; S.cerevisiae 5% Lys, 2.5% Pro...

Are there online databases or papers about this?

Guus B Erkens

Hello Maria,

you will need an additional step to convert codons to amino aids, but in this database you can find the codon usage for a lot of micro-organisms:

http://www.kazusa.or.jp/codon/

Using this information you should be able to calculate the percentages you're looking for.

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