Averaged length, net charge and amino acid composition of 3251 peptides in the APD database:

The average length of all 3251 peptides is 33.22 residues.

The average net charge of all 3251 peptides is 3.33.

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I percent is 5.91 %

V percent is 5.69 %

L percent is 8.25 %

F percent is 4.09 %

C percent is 6.81 %

M percent is 1.27 %

A percent is 7.68 %

W percent is 1.65 %

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G percent is 11.5 %

P percent is 4.67 %

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T percent is 4.48 %

S percent is 6.07 %

Y percent is 2.49 %

Q percent is 2.59 %

N percent is 3.86 %

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E percent is 2.68 %

D percent is 2.7 %

H percent is 2.17 %

K percent is 9.51 %

R percent is 5.89 %

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Then select 'show statistic data' at the bottom of the 'query result' page.