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From:
Published online 2001 August 31. doi: 10.1186/1471-2199-2-10

Table 1

Breakdown of amino acid composition. "p" is the conventional p value for the difference between the observations of amino acids among Activators and Random sequences, assuming that the expected variance for the difference is the sum of the Poisson variances for the number of observations. "P" is the probability that the occurrence frequency would have been observed by chance, given the sample size of 20 amino acids (i.e., P = (1 - (1 - p)20)).

LexA-GFP/peptideLexA-peptide
Amino AcidRandomActivatorspPRandomActivatorspP
A14380.0000.00955520.3861.000
C9250.0030.05925310.2110.991
D11620.0000.00027860.0000.000
E10460.0000.00016310.0140.251
F10200.0340.49923830.0000.000
G45680.0150.26545390.2560.997
H690.2190.99336320.3140.999
I5100.0980.87438430.2890.999
K790.3090.99914110.2740.998
L19470.0000.006711240.0000.001
M7100.2330.99514130.4241.000
N13110.3421.00034380.3191.000
P10230.0120.21283790.3771.000
Q4110.0350.51327280.4461.000
R21320.0650.74167200.0000.000
S20430.0020.03779920.1600.969
T10230.0120.21260540.2870.999
V21400.0070.14042340.1790.981
W8260.0010.02016490.0000.000
Y8130.1380.94832480.0370.528
# Sequences21447166
# Residues258566831997