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Table 5 The fraction of proteins predicted as transmembrane, and to contain re-entrant helices and signal peptides, in a number of complete genomes.

From: Transmembrane protein topology prediction using support vector machines

Species

Fraction of genome predicted as TM proteins

Fraction of TM proteins predicted to contain re-entrant helices

Fraction of TM proteins predicted to contain signal peptides

Caenorhabditis elegans

33%

2%

33%

Canis familiaris

31%

2%

27%

Danio rerio

29%

2%

26%

Drosophila melanogaster

27%

2%

33%

Escherichia coli

24%

2%

28%

Homo sapiens

26%

2%

35%

Mus musculus

29%

2%

30%

Pan troglodytes

26%

2%

33%

Takifugu rubripes

33%

3%

26%

Xenopus tropicalis

31%

2%

23%