Table 1c:

Strcutures for which the helical axis is best described by a double-kink line.
Sigma2 of a double-kink line is significantly smaller (> 0.2) than for the next best model(s). The structures are listed by the number of base pairs (bp).

Number of structures: 119

PDB	NDB	IMB Jena Image Library	bp	molecule type	method	s(2)	a/a1	a2	a1+a2	o	l1	l2	l3
1o3t	pd0401	E   |    H   |    B	13	prot-nuc	diff	0.306	36	12	48	51	3	4	6
1n14	------	E   |    H   |    B	13	nuc	NMR	0.990	37	38	75	160	4	5	4
1dfm	pd0101	E   |    H   |    B	14	prot-nuc	diff	0.113	13	13	26	-122	5	4	5
1d2i	pd0153	E   |    H   |    B	14	prot-nuc	diff	0.129	13	16	29	-130	5	4	5
1k9l	------	E   |    H   |    B	14	nuc	NMR	0.122	16	16	32	94	4	6	4
1lfu	------	E   |    H   |    B	14	prot-nuc	NMR	0.662	24	16	40	178	5	5	4
2dnj	pde006	E   |    H   |    B	14	prot-nuc	diff	0.351	20	20	40	154	5	4	5
1bdz	------	E   |    H   |    B	14	nuc	NMR	0.157	22	22	44	-55	4	6	4
1oct	pdt019	E   |    H   |    B	14	prot-nuc	diff	0.340	18	27	45	-63	5	5	4
1nk3	------	E   |    H   |    B	14	prot-nuc	NMR	0.446	28	19	47	162	3	4	7
433d	ar0008	E   |    H   |    B	14	nuc	diff	0.488	31	30	61	176	7	2	4
1jwl	pd0250	E   |    H   |    B	14	prot-nuc	diff	0.786	40	31	71	-147	6	4	4
1qn4	pd0154	E   |    H   |    B	14	prot-nuc	diff	0.307	41	32	73	48	5	4	5
1qne	pd0163	E   |    H   |    B	14	prot-nuc	diff	0.376	49	37	86	54	5	4	5
1bvo	------	E   |    H   |    B	15	prot-nuc	diff	0.240	14	14	28	-126	5	5	5
1bn9	------	E   |    H   |    B	15	nuc	NMR	0.221	18	17	35	-99	7	4	4
1cdw	pdt034	E   |    H   |    B	16	prot-nuc	diff	0.533	56	48	104	55	6	5	5
1kbd	------	E   |    H   |    B	16	prot	NMR	0.186	10	17	27	107	5	5	6
1egw	pd0121	E   |    H   |    B	16	prot-nuc	diff	0.139	16	16	32	-104	5	6	5
405d	ar0002	E   |    H   |    B	16	nuc	diff	0.134	20	18	38	177	5	6	5
1cit	pd0046	E   |    H   |    B	16	prot-nuc	diff	0.287	24	19	43	129	5	6	5
1dp7	pd0111	E   |    H   |    B	16	prot-nuc	diff	0.366	24	24	48	122	5	6	5
1ysa	pdt002	E   |    H   |    B	16	prot-nuc	diff	0.385	16	33	49	-176	6	5	5
2bop	pdv001	E   |    H   |    B	16	prot-nuc	diff	0.505	26	26	52	-82	6	4	6
4kbd	------	E   |    H   |    B	16	nuc	NMR	0.298	21	34	55	103	5	5	6
1nk2	------	E   |    H   |    B	16	prot-nuc	NMR	0.646	32	27	59	134	9	3	4
1ckt	pd0051	E   |    H   |    B	16	prot-nuc	diff	0.240	24	38	62	53	6	3	7
1ytf	pdt036	E   |    H   |    B	16	prot-nuc	diff	0.204	22	40	62	59	6	4	6
1nh2	pd0369	E   |    H   |    B	16	prot-nuc	diff	0.161	25	38	63	70	6	4	6
1jj4	pd0227	E   |    H   |    B	16	prot-nuc	diff	0.518	32	33	65	-99	6	4	6
1iaw	pd0207	E   |    H   |    B	16	prot-nuc	diff	0.590	52	21	73	124	8	3	5
2kbd	------	E   |    H   |    B	16	nuc	NMR	0.231	30	48	78	95	6	4	6
2rve	pde002	E   |    H   |    B	16	prot-nuc	diff	0.454	43	40	83	126	6	3	7
1hcq	pdrc03	E   |    H   |    B	17	prot-nuc	diff	0.133	13	15	28	132	6	6	5
1dmu	pd0108	E   |    H   |    B	17	prot-nuc	diff	0.304	18	15	33	82	7	4	6
2stt	------	E   |    H   |    B	17	prot-nuc	NMR	0.722	17	37	54	94	4	4	9
1ir5	------	E   |    H   |    B	17	nuc	NMR	0.598	35	21	56	144	3	5	9
1efa	pd0118	E   |    H   |    B	17	prot-nuc	diff	0.465	40	20	60	67	7	6	4
1ais	pdr031	E   |    H   |    B	17	prot-nuc	diff	0.617	49	29	78	82	7	6	4
1jfi	pd0221	E   |    H   |    B	17	prot-nuc	diff	0.508	41	39	80	68	7	4	6
1c9b	pd0112	E   |    H   |    B	17	prot-nuc	diff	0.914	43	44	87	45	6	5	6
1glu	pdrc01	E   |    H   |    B	18	prot-nuc	diff	0.078	13	12	25	119	5	4	8
1hw2	pd0199	E   |    H   |    B	18	prot-nuc	diff	0.246	20	13	33	-148	8	4	6
1mj2	pd0173	E   |    H   |    B	18	prot-nuc	diff	0.124	20	15	35	-69	5	8	5
1mjo	pd0246	E   |    H   |    B	18	prot-nuc	diff	0.112	19	17	36	-69	5	8	5
2drp	pdt011	E   |    H   |    B	18	prot-nuc	diff	0.191	24	14	38	-125	8	5	5
1h0m	------	E   |    H   |    B	18	prot-nuc	diff	0.279	26	13	39	-64	6	6	6
1dgc	pdt007	E   |    H   |    B	18	prot-nuc	diff	0.138	20	20	40	112	7	4	7
1mjq	pd0248	E   |    H   |    B	18	prot-nuc	diff	0.134	19	21	40	-42	5	8	5
1cma	pdr008	E   |    H   |    B	18	prot-nuc	diff	0.154	20	21	41	-78	6	7	5
2hmi	pd0005	E   |    H   |    B	18	prot-nuc	diff	0.432	24	17	41	44	5	5	8
1b3t	pd0024	E   |    H   |    B	18	prot-nuc	diff	0.196	25	24	49	-109	7	4	7
1kfo	ar0039	E   |    H   |    B	18	nuc	diff	0.135	29	29	58	165	6	6	6
1yrn	pdt028	E   |    H   |    B	18	prot-nuc	diff	0.339	29	33	62	-68	7	6	5
1lmb	pdr010	E   |    H   |    B	19	prot-nuc	diff	0.388	18	18	36	-16	4	11	4
1lli	pdr016	E   |    H   |    B	19	prot-nuc	diff	0.413	18	19	37	-3	4	11	4
2or1	pdr004	E   |    H   |    B	19	prot-nuc	diff	0.176	21	18	39	-48	6	8	5
1b72	pd0075	E   |    H   |    B	19	prot-nuc	diff	0.295	18	22	40	-177	10	4	5
1per	pdr015	E   |    H   |    B	19	prot-nuc	diff	0.188	22	19	41	-58	6	8	5
1rpe	pdr011	E   |    H   |    B	19	prot-nuc	diff	0.250	22	20	42	-58	6	8	5
1fok	pde0127	E   |    H   |    B	19	prot-nuc	diff	0.483	28	28	56	-125	4	10	5
1akh	pdr049	E   |    H   |    B	19	prot-nuc	diff	0.289	20	38	58	-51	6	6	7
1le8	pd0308	E   |    H   |    B	19	prot-nuc	diff	0.366	30	31	61	-51	6	6	7
1tc3	pde0128	E   |    H   |    B	19	prot-nuc	diff	0.407	34	32	66	54	4	8	7
1ngm	pd0368	E   |    H   |    B	19	prot-nuc	diff	0.573	57	38	95	62	5	4	10
1d5y	pd0078	E   |    H   |    B	20	prot-nuc	diff	0.185	10	10	20	-119	6	8	6
3hdd	pd0016	E   |    H   |    B	20	prot-nuc	diff	0.151	10	15	25	-173	7	7	6
1hdd	pdt004	E   |    H   |    B	20	prot-nuc	diff	0.247	10	16	26	168	8	7	5
1ubd	pdt038	E   |    H   |    B	20	prot-nuc	diff	0.179	16	10	26	176	7	7	6
1dh3	pd0102	E   |    H   |    B	20	prot-nuc	diff	0.226	17	14	31	134	8	4	8
1a6y	pd0008	E   |    H   |    B	20	prot-nuc	diff	0.368	19	13	32	-166	9	4	7
2ram	pdr051	E   |    H   |    B	20	prot-nuc	diff	0.303	20	20	40	166	10	6	4
1hwt	pd0089	E   |    H   |    B	20	prot-nuc	diff	0.286	26	17	43	-165	7	8	5
1l3l	pd0298	E   |    H   |    B	20	prot-nuc	diff	0.236	19	28	47	-80	7	6	7
1an4	pdt027	E   |    H   |    B	20	prot-nuc	diff	1.782	25	23	48	168	6	6	8
1rcs	------	E   |    H   |    B	20	prot-nuc	NMR	0.148	20	29	49	-32	6	8	6
1lb2	pd0306	E   |    H   |    B	20	prot-nuc	diff	0.191	19	31	50	-32	11	4	5
1c7u	------	E   |    H   |    B	20	prot-nuc	NMR	0.524	27	27	54	118	5	10	5
1co0	------	E   |    H   |    B	20	prot-nuc	NMR	0.772	16	38	54	153	7	6	7
1je8	pd0219	E   |    H   |    B	20	prot-nuc	diff	0.138	32	31	63	-71	6	8	6
2gli	pdt008	E   |    H   |    B	20	prot-nuc	diff	1.264	31	41	72	136	8	3	9
1owf	pd0406	E   |    H   |    B	20	prot-nuc	diff	0.579	24	65	89	40	8	4	8
1ouz	pd0405	E   |    H   |    B	20	prot-nuc	diff	0.574	25	67	92	42	8	4	8
1owg	pd0407	E   |    H   |    B	20	prot-nuc	diff	0.468	28	67	95	46	8	4	8
1hlv	pd0192	E   |    H   |    B	21	prot-nuc	diff	0.237	16	35	51	33	8	7	6
1exj	pd0146	E   |    H   |    B	21	prot-nuc	diff	0.605	16	41	57	-175	5	5	11
1c0w	pd0069	E   |    H   |    B	21	prot-nuc	diff	1.309	30	28	58	169	9	3	9
1ouq	pd0404	E   |    H   |    B	21	prot-nuc	diff	0.663	35	28	63	36	5	6	10
1ic8	pd0208	E   |    H   |    B	21	prot-nuc	diff	0.737	18	48	66	151	13	4	4
1ewq	pd0142	E   |    H   |    B	21	prot-nuc	diff	0.660	27	40	67	-47	11	2	8
1a31	pde0142	E   |    H   |    B	22	prot-nuc	diff	0.096	9	8	17	172	6	7	9
1a35	pde0143	E   |    H   |    B	22	prot-nuc	diff	0.061	11	9	20	157	6	7	9
1h6f	pd0311	E   |    H   |    B	22	prot-nuc	diff	0.366	13	14	27	-103	4	14	4
1bl0	pdr056	E   |    H   |    B	22	prot-nuc	diff	0.428	29	27	56	-73	8	6	8
1d3u	pd0070	E   |    H   |    B	23	prot-nuc	diff	0.683	58	44	102	71	11	5	7
1gt0	------	E   |    H   |    B	23	prot-nuc	diff	0.821	55	17	72	-78	5	11	7
1k6o	pd0258	E   |    H   |    B	23	prot-nuc	diff	1.853	21	57	78	-160	4	10	9
1l1m	------	E   |    H   |    B	23	prot-nuc	NMR	0.217	51	41	92	-119	10	2	11
1xbr	pdt045	E   |    H   |    B	24	prot-nuc	diff	1.028	20	10	30	167	5	6	12
1au7	pdr034	E   |    H   |    B	24	prot-nuc	diff	0.377	22	21	43	147	4	14	6
1io4	pd0198	E   |    H   |    B	25	prot-nuc	diff	0.277	13	7	20	100	8	8	9
1wai	------	E   |    H   |    B	25	prot-nuc	model	1.153	15	8	23	-115	5	7	12
1h89	pd0289	E   |    H   |    B	25	prot-nuc	diff	0.294	17	10	27	102	8	9	8
1h8a	pd0290	E   |    H   |    B	25	prot-nuc	diff	0.218	15	14	29	101	10	8	7
1mdm	pd0338	E   |    H   |    B	25	prot-nuc	diff	0.162	13	16	29	-152	8	4	13
1h88	pd0288	E   |    H   |    B	25	prot-nuc	diff	0.341	24	13	37	161	8	10	7
1mnm	pdr036	E   |    H   |    B	25	prot-nuc	diff	1.552	40	24	64	-59	10	4	11
2cgp	pdt049	E   |    H   |    B	26	prot-nuc	diff	0.153	37	37	74	-44	8	10	8
1run	pdr024	E   |    H   |    B	30	prot-nuc	diff	0.527	48	42	90	-34	10	10	10
1cgp	pdr006	E   |    H   |    B	30	prot-nuc	diff	0.389	48	44	92	-36	9	11	10
1ruo	pdr025	E   |    H   |    B	30	prot-nuc	diff	1.164	46	47	93	-39	10	10	10
1ddn	pd0004	E   |    H   |    B	32	prot-nuc	diff	1.259	19	19	38	23	5	19	8
1trr	pdr013	E   |    H   |    B	32	prot-nuc	diff	1.070	19	20	39	-109	11	9	12
1lws	pd0319	E   |    H   |    B	34	prot-nuc	diff	1.163	56	17	73	-72	12	9	13
1gdt	pde0115	E   |    H   |    B	34	prot-nuc	diff	0.588	44	31	75	94	15	4	15
1lwt	pd0320	E   |    H   |    B	36	prot-nuc	diff	1.483	52	19	71	-49	11	10	15
1tro	pdr009	E   |    H   |    B	37	prot-nuc	diff	0.717	15	16	31	-84	9	20	8
1f5t	pd0170	E   |    H   |    B	41	prot-nuc	diff	1.251	7	9	16	66	12	15	13
1rpd	------	E   |    H   |    B	42	prot-nuc	model	1.081	24	27	51	14	9	21	12

Abbreviations