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Table 1 Structural features of phosphorylation sites

From: Detection and characterization of 3D-signature phosphorylation site motifs and their contribution towards improved phosphorylation site prediction in proteins

 

Property

mean-Values

Positive set

mean-Values

Negative set

p-Values

t-Test

p-Values

Mann-Whitney

Serine-sites

     
 

Accessibility

4.25

3.70

1.32 E-03

1.93 E-03

 

B-Factor

5.65

4.93

7.40 E-04

2.79 E-04

Threonine-sites

     
 

Accessibility

3.92

3.57

1.49 E-1

2.07 E-01

 

B-Factor

5.30

4.76

1.11 E-1

8.26 E-02

Tyrosine-sites

     
 

Accessibility

2.98

2.36

7.33 E-07

2.52E-06

 

B-Factor

5.56

5.15

6.96 E-02

2.68E-02

  1. Statistics for significance of the observed differences of solvent accessibility and crystallographic B-factor of phosphorylated (pos) vs. non-phosphorylated (neg) for serine, threonine and tyrosine sites.