Intron Length (nt)

Fungi (%)

Plants (%)

Invertebrates (%)

Vertebrates (%)

<50

12.965

4.285

5.019

1.579

51 - 110

64.514

28.460

27.371

11.313

111 - 250

16.148

27.102

15.930

11.562

251 - 500

7.664

28.495

22.749

11.549

501 - 1000

1.266

12.165

16.877

15.485

1000 - 2000

0.113

5.123

8.380

17.338

>2000

0.037

1.701

8.165

31.174