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. 2010 Apr 17;11:247. doi: 10.1186/1471-2164-11-247

Table 3.

Properties of peptidases with and without signal peptides.

With signal peptides Without signal peptides
Number 61 69
G+C content (%) 37.5 36.8
Asp (percentage) 6.6 6.0
Glu (percentage) 7.2 7.2
Lys (percentage) 8.0 8.1
Arg (percentage) 3.6 3.5
(Asp+Glu)/(Lys+Arg) 1.2 1.1
pI1 6.0 ± 1.7 6.7 ± 2.0

1pI, predicted isoelectric point. The data are averages with standard deviation.