Table 3

SAARs composition by amino acid.

Amino Acid
Eukaryotes
Archaea
Bacteria

Arginine
0.75%
0.75%
0.74%
Lysine
1.0%
1.05%
0.72%
Glutamic Acid
1.28%
1.45%
0.89%
Aspartic Acid
0.67%
0.65%
0.55%
Glutamine
0.57%
0.18%
0.42%
Asparagine
0.63%
0.37%
0.35%
Histidine
0.17%
0.09%
0.13%
Proline
0.83%
0.42%
0.43%
Tyrosine
0.23%
0.37%
0.21%
Tryptophan
0.04%
0.04%
0.04%
Serine
1.76%
0.90%
0.85%
Threonine
0.68%
0.60%
0.59%
Glycine
0.90%
1.10%
1.09%
Alanine
1.14%
1.38%
1.92%
Methionine
0.10%
0.11%
0.12%
Cysteine
0.10%
0.03%
0.04%
Phenylalanine
0.38%
0.38%
0.37%
Leucine
1.87%
1.95%
2.02%
Valine
0.80%
1.31%
1.03%
Isoleucine
0.61%
1.23%
0.74%

Legend: The dominant amino acids are leucine and serine (Eukaryotes), leucine and glutamic acid (Archaea), and leucine and alanine (Bacteria). Amino acids considered highly abundant are highlighted in bold.

Depledge and Dalby BMC Bioinformatics 2005 6:196   doi:10.1186/1471-2105-6-196