Length of DNA Binding Sites	Number of Transcription Factor (s)
0	41
5	1
6	2
7	4
8	1
9	2
10	8
11	2
12	5
13	6
14	9
15	18
16	13
17	17
18	18
19	5
20	27
21	6
22	9
23	5
24	7
25	2
26	2
27	4
28	1
30	1
31	1
33	2
34	4
39	1
40	2
42	1
58	1
91	1