Table 4.

Correlations at the amino acid level as characterized by the χ² measure (PDB_SELECT set).

	Helix		Strand		Loop
Separation	χ2	# of pairs	χ2	# of pairs	χ2	# of pairs
1	1854.34	118,324	2579.85	60,423	9600.85	154,404
2	7008.83	103,853	1832.78	44,121	5774.58	124,249
3	2454.03	89,414	1116.65	30,909	4828.13	100,325
4	5095.27	77,302	535.02	20,336	2276.21	80,930
5	2052.68	67,036	461.70	12,584	1298.16	66,109
6	1295.46	57,602	398.44	7361	950.66	54,993
7	2196.94	49,017	392.93	4196	895.42	46,391
8	627.00	41,350	355.81	2292	761.48	39,611