Department;
of;
Physics,;
Beijing;
Normal;
University,;
Beijing;
100875,;
China;
Beijing-Hong;
Kong-Singapore;
Joint;
Center;
of;
Nonlinear;
and;
Complex;
Systems,;
Beijing;
Normal;
University;
Branch,;
Beijing;
100875,;
China;
Bioinformatics;
Laboratory,;
Institute;
of;
Biophysics,;
the;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100101,;
China;