Table 2.

Amino Acid Frequencies by Organism as a Percentage of Total Numbers of Residues

Ala Cys Asp Glu Phe Gly His Ile Lys Leu Met Asn Pro Gln Arg Ser Thr Val Trp Tyr
Escherichia coli 9.51.25.15.73.97.42.36.04.410.62.94.04.44.45.55.85.47.11.52.8
Synechocystis 8.51.05.06.04.07.41.96.34.211.42.04.05.15.65.15.85.56.71.62.9
Mycobacterium  jannaschii 5.41.35.58.74.36.31.410.510.49.52.35.33.41.43.84.54.06.80.74.4
Pyrococcus  abyssi 6.70.64.68.84.47.31.58.57.810.32.43.34.31.75.75.04.28.11.23.8
Helicobacter  pylori 6.81.14.86.95.45.82.17.28.911.22.35.93.33.73.56.84.45.60.73.7
Thermotoga  maritima 5.90.75.08.95.26.91.67.27.610.02.43.64.02.05.55.74.58.61.13.6
Saccharomyces  cerevisiae 5.51.35.86.54.54.92.26.67.39.52.16.14.43.94.59.15.95.61.03.4
Caenorhabditis  elegans 6.32.15.36.54.95.32.36.26.58.72.64.94.94.15.28.05.86.21.13.2
Drosophila  melanogaster 7.51.95.26.43.56.22.74.95.69.22.44.75.55.25.68.35.65.91.03.0

[i] Frequencies were computed based on the sequences of all predicted ORFs for the respective genomes, including those whose identifications are only tentative.