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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.