## Statistical Statement

### Table1. The number of proteins from different databases.

1The numbers in each cell are the numbers of same proteins from two different databases.
2The numbers on the diagonal are the total numbers of proteins from a given database.
3The numbers on this column are the numbers of distinctive proteins from a given database.

### Table2. The number of interactions from different databases.

1The numbers in each cell are the numbers of same interactions from two different databases.
2The numbers on the diagonal are the total numbers of interactions from a given database.
3The numbers on this column are the numbers of distinctive interactions from a given database.