Table 1. Frequencies of R.Y tracts in human p53.

Tract length	Tracts				Bases in the tracts			Bases in tracts eq. AND longer
	R	Y	R+Y (f)	Expected (e)	Found	Expected	Ratio (f/e)	Found	Expected	Ratio (f/e)
1	1905	1893	3798	5073.8	3798	5073.8	0.75	20 303	20 303	1.00
2	1006	1028	2034	2535.9	4068	5071.8	0.80	16505	15229.2	1.08
3	518	584	1102	1267.9	3306	3803.8	0.87	12437	10157.5	1.22
4	399	408	807	634.2	3228	2536.9	1.27	9131	6353.7	1.44
5	200	169	369	317.4	1845	1586.8	1.16	5903	3816.8	1.55
6	130	96	226	158.9	1356	953.2	1.42	4058	2230.0	1.82
7	60	47	107	79.6	749	556.9	1.35	2702	1276.8	2.12
8	21	31	52	39.9	416	318.9	1.31	1953	719.9	2.71
9	20	16	36	20.0	324	179.8	1.80	1537	401.0	3.83
10	6	7	13	10.0	130	100.2	1.30	1213	221.3	5.48
11	6	7	13	5.0	143	55.3	2.59	1083	121.1	8.94
12	9	4	13	2.5	156	30.2	5.16	940	65.9	14.3
13	4	3	7	1.3	91	16.4	5.53	784	35.6	22.0
14	2	2	4	0.6	56	8.9	6.30	693	19.2	36.2
15	5	3	8	0.3	120	4.8	25.1	637	10.3	62.0
16	2	3	5	0.2	80	2.6	31.2	517	5.5	94.2
17	0	1	1	0.1	17	1.4	12.4	437	2.9	150
18	1	1	2	0	36	0.7	49.3	420	1.6	271
19	2	0	2	0	38	0.4	98.1	384	0.8	467
21	1	0	1	0	21	0.1	194	346	0.2	1510
22	1	1	2	0	44	0.1	769	325	0.1	2693
23	1	0	1	0	23	0	763	281	0.1	4428
24	0	1	1	0	24	0	1514	258	0	7743
25	2	0	2	0	50	0	6009	234	0	13 391
26	2	0	2	0	52	0	11 916	184	0	20 103
29	1	0	1	0	29	0	46 386	132	0	1 00 955
32	2	0	2	0	64	0	7 20 300	103	0	5.5*E5
39	0	1	1	0	39	0	4.2*E6	39	0	2.1*E7