Primary structure of proteins

Andrew Torda torda at
Mon Sep 9 03:19:06 EST 1996

andres at wrote

>I am looking for information about the average occurence frecuency of
>the 20 natural amino acids in proteins. Are these data available

Have a look at
White, S.H. J Mol Biol, 227, 991-995 (1992)
Amino acid preferences of small proteins. Implications for
protein stability and evolution.
This posting is not merely my opinion.  It is the official position
of my employer, the Australian National University.
Andrew Torda, Research School of Chemistry, ANU, Canberra, Australia
andrew.torda at

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