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Table 1 The charged amino acid (AA) content of cytoskeleton PPIs and random PPIs from PDB database

From: Subcellular stoichiogenomics reveal cell evolution and electrostatic interaction mechanisms in cytoskeleton

AA Type

Mean content of Cytoskeleton PPI

Mean content of Random PPI

P value

Mann-Whitney Test, I-tailed

Kolmogorov-Smirnov Test, l-tailed

Acidic AA

0.169

0.141

0.118839

0.138833

 Glu

0.115

0.078

0.043527

0.004701

 Asp

0.054

0.063

0.257816

0.482385

Basic AA

0.188

0.171

0.280319

0.457611

 Lys

0.080

0.062

0.088308

0.199456

 Arg

0.086

0.078

0.383006

0.175169

 His

0.021

0.031

0.192222

0.485181