Analysis of interatomic Contacts of Structural Units in PDB entry:
3IWK

Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
This page provides analyses of contacts formed by:

chains
helices
sheets
residues

For analysis of ligand-protein contacts, use:

LPC software

3D structure can be seen in additional window with STING software for 3IWK entry

There are 12 chains in PDB entry 3IWK (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER 7	LYS 502
B	SER 7	LYS 502
C	SER 7	SER 501
D	SER 7	LYS 502
E	SER 7	LYS 502
F	SER 7	SER 501
G	SER 7	LYS 502
H	SER 6	LYS 502
I	SER 7	LYS 502
J	SER 6	LYS 502
K	SER 7	LYS 502
L	SER 6	SER 501

There are217 helices in PDB entry 3IWK. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	43	59	Right-handed alpha
Helix 2	2	A	70	101	Right-handed alpha
Helix 3	3	A	103	132	Right-handed alpha
Helix 4	4	A	163	179	Right-handed alpha
Helix 5	5	A	191	204	Right-handed alpha
Helix 6	6	A	220	228	Right-handed alpha
Helix 7	7	A	239	253	Right-handed alpha
Helix 8	8	A	274	288	Right-handed alpha
Helix 9	9	A	289	292	Right-handed 310
Helix 10	10	A	306	320	Right-handed alpha
Helix 11	11	A	338	355	Right-handed alpha
Helix 12	12	A	387	392	Right-handed alpha
Helix 13	13	A	406	415	Right-handed alpha
Helix 14	14	A	429	440	Right-handed alpha
Helix 15	15	A	462	464	Right-handed 310
Helix 16	16	A	471	478	Right-handed alpha
Helix 17	17	B	43	60	Right-handed alpha
Helix 18	18	B	61	64	Right-handed 310
Helix 19	19	B	70	88	Right-handed alpha
Helix 20	20	B	88	101	Right-handed alpha
Helix 21	21	B	103	129	Right-handed alpha
Helix 22	22	B	130	132	Right-handed 310
Helix 23	23	B	163	179	Right-handed alpha
Helix 24	24	B	191	205	Right-handed alpha
Helix 25	25	B	220	227	Right-handed alpha
Helix 26	26	B	239	253	Right-handed alpha
Helix 27	27	B	274	288	Right-handed alpha
Helix 28	28	B	289	292	Right-handed 310
Helix 29	29	B	304	321	Right-handed alpha
Helix 30	30	B	338	355	Right-handed alpha
Helix 31	31	B	387	392	Right-handed alpha
Helix 32	32	B	406	415	Right-handed alpha
Helix 33	33	B	429	440	Right-handed alpha
Helix 34	34	B	462	464	Right-handed 310
Helix 35	35	B	471	478	Right-handed alpha
Helix 36	36	C	43	58	Right-handed alpha
Helix 37	37	C	70	88	Right-handed alpha
Helix 38	38	C	88	101	Right-handed alpha
Helix 39	39	C	103	129	Right-handed alpha
Helix 40	40	C	130	132	Right-handed 310
Helix 41	41	C	163	179	Right-handed alpha
Helix 42	42	C	191	205	Right-handed alpha
Helix 43	43	C	220	228	Right-handed alpha
Helix 44	44	C	239	253	Right-handed alpha
Helix 45	45	C	274	288	Right-handed alpha
Helix 46	46	C	289	292	Right-handed 310
Helix 47	47	C	306	321	Right-handed alpha
Helix 48	48	C	338	355	Right-handed alpha
Helix 49	49	C	387	392	Right-handed alpha
Helix 50	50	C	406	415	Right-handed alpha
Helix 51	51	C	429	440	Right-handed alpha
Helix 52	52	C	462	464	Right-handed 310
Helix 53	53	C	471	478	Right-handed alpha
Helix 54	54	D	43	60	Right-handed alpha
Helix 55	55	D	61	64	Right-handed 310
Helix 56	56	D	70	88	Right-handed alpha
Helix 57	57	D	88	101	Right-handed alpha
Helix 58	58	D	103	126	Right-handed alpha
Helix 59	59	D	128	132	Right-handed 310
Helix 60	60	D	163	179	Right-handed alpha
Helix 61	61	D	191	205	Right-handed alpha
Helix 62	62	D	220	228	Right-handed alpha
Helix 63	63	D	239	253	Right-handed alpha
Helix 64	64	D	276	288	Right-handed alpha
Helix 65	65	D	289	292	Right-handed 310
Helix 66	66	D	304	319	Right-handed alpha
Helix 67	67	D	338	354	Right-handed alpha
Helix 68	68	D	387	392	Right-handed alpha
Helix 69	69	D	406	415	Right-handed alpha
Helix 70	70	D	429	440	Right-handed alpha
Helix 71	71	D	462	464	Right-handed 310
Helix 72	72	D	471	478	Right-handed alpha
Helix 73	73	E	43	58	Right-handed alpha
Helix 74	74	E	70	88	Right-handed alpha
Helix 75	75	E	88	101	Right-handed alpha
Helix 76	76	E	103	132	Right-handed alpha
Helix 77	77	E	163	179	Right-handed alpha
Helix 78	78	E	191	204	Right-handed alpha
Helix 79	79	E	220	228	Right-handed alpha
Helix 80	80	E	239	253	Right-handed alpha
Helix 81	81	E	274	288	Right-handed alpha
Helix 82	82	E	289	292	Right-handed 310
Helix 83	83	E	304	321	Right-handed alpha
Helix 84	84	E	338	355	Right-handed alpha
Helix 85	85	E	387	392	Right-handed alpha
Helix 86	86	E	406	415	Right-handed alpha
Helix 87	87	E	429	440	Right-handed alpha
Helix 88	88	E	462	464	Right-handed 310
Helix 89	89	E	471	478	Right-handed alpha
Helix 90	90	F	43	60	Right-handed alpha
Helix 91	91	F	61	64	Right-handed 310
Helix 92	92	F	70	88	Right-handed alpha
Helix 93	93	F	88	101	Right-handed alpha
Helix 94	94	F	103	132	Right-handed alpha
Helix 95	95	F	163	178	Right-handed alpha
Helix 96	96	F	191	205	Right-handed alpha
Helix 97	97	F	220	228	Right-handed alpha
Helix 98	98	F	239	253	Right-handed alpha
Helix 99	99	F	274	288	Right-handed alpha
Helix 100	100	F	289	292	Right-handed 310
Helix 101	101	F	306	319	Right-handed alpha
Helix 102	102	F	338	355	Right-handed alpha
Helix 103	103	F	387	392	Right-handed alpha
Helix 104	104	F	406	415	Right-handed alpha
Helix 105	105	F	429	440	Right-handed alpha
Helix 106	106	F	462	464	Right-handed 310
Helix 107	107	F	471	478	Right-handed alpha
Helix 108	108	G	43	58	Right-handed alpha
Helix 109	109	G	70	88	Right-handed alpha
Helix 110	110	G	88	101	Right-handed alpha
Helix 111	111	G	103	129	Right-handed alpha
Helix 112	112	G	130	132	Right-handed 310
Helix 113	113	G	163	179	Right-handed alpha
Helix 114	114	G	191	205	Right-handed alpha
Helix 115	115	G	220	228	Right-handed alpha
Helix 116	116	G	239	253	Right-handed alpha
Helix 117	117	G	274	288	Right-handed alpha
Helix 118	118	G	289	292	Right-handed 310
Helix 119	119	G	306	320	Right-handed alpha
Helix 120	120	G	338	355	Right-handed alpha
Helix 121	121	G	387	392	Right-handed alpha
Helix 122	122	G	406	415	Right-handed alpha
Helix 123	123	G	429	440	Right-handed alpha
Helix 124	124	G	462	464	Right-handed 310
Helix 125	125	G	471	478	Right-handed alpha
Helix 126	126	H	43	60	Right-handed alpha
Helix 127	127	H	61	64	Right-handed 310
Helix 128	128	H	70	88	Right-handed alpha
Helix 129	129	H	88	101	Right-handed alpha
Helix 130	130	H	103	128	Right-handed alpha
Helix 131	131	H	129	132	Right-handed 310
Helix 132	132	H	163	179	Right-handed alpha
Helix 133	133	H	191	205	Right-handed alpha
Helix 134	134	H	220	227	Right-handed alpha
Helix 135	135	H	239	252	Right-handed alpha
Helix 136	136	H	274	288	Right-handed alpha
Helix 137	137	H	289	292	Right-handed 310
Helix 138	138	H	306	320	Right-handed alpha
Helix 139	139	H	338	355	Right-handed alpha
Helix 140	140	H	387	392	Right-handed alpha
Helix 141	141	H	406	415	Right-handed alpha
Helix 142	142	H	429	440	Right-handed alpha
Helix 143	143	H	462	464	Right-handed 310
Helix 144	144	H	471	478	Right-handed alpha
Helix 145	145	I	43	60	Right-handed alpha
Helix 146	146	I	61	64	Right-handed 310
Helix 147	147	I	70	88	Right-handed alpha
Helix 148	148	I	88	101	Right-handed alpha
Helix 149	149	I	103	130	Right-handed alpha
Helix 150	150	I	163	179	Right-handed alpha
Helix 151	151	I	191	205	Right-handed alpha
Helix 152	152	I	220	227	Right-handed alpha
Helix 153	153	I	239	251	Right-handed alpha
Helix 154	154	I	274	288	Right-handed alpha
Helix 155	155	I	289	292	Right-handed 310
Helix 156	156	I	304	320	Right-handed alpha
Helix 157	157	I	338	355	Right-handed alpha
Helix 158	158	I	387	392	Right-handed alpha
Helix 159	159	I	406	415	Right-handed alpha
Helix 160	160	I	429	440	Right-handed alpha
Helix 161	161	I	462	464	Right-handed 310
Helix 162	162	I	471	478	Right-handed alpha
Helix 163	163	J	43	59	Right-handed alpha
Helix 164	164	J	70	88	Right-handed alpha
Helix 165	165	J	88	101	Right-handed alpha
Helix 166	166	J	103	129	Right-handed alpha
Helix 167	167	J	130	132	Right-handed 310
Helix 168	168	J	163	179	Right-handed alpha
Helix 169	169	J	191	205	Right-handed alpha
Helix 170	170	J	220	227	Right-handed alpha
Helix 171	171	J	239	253	Right-handed alpha
Helix 172	172	J	274	288	Right-handed alpha
Helix 173	173	J	289	292	Right-handed 310
Helix 174	174	J	306	320	Right-handed alpha
Helix 175	175	J	338	355	Right-handed alpha
Helix 176	176	J	387	392	Right-handed alpha
Helix 177	177	J	406	415	Right-handed alpha
Helix 178	178	J	429	440	Right-handed alpha
Helix 179	179	J	462	464	Right-handed 310
Helix 180	180	J	471	478	Right-handed alpha
Helix 181	181	K	43	60	Right-handed alpha
Helix 182	182	K	61	64	Right-handed 310
Helix 183	183	K	70	88	Right-handed alpha
Helix 184	184	K	88	101	Right-handed alpha
Helix 185	185	K	103	129	Right-handed alpha
Helix 186	186	K	130	132	Right-handed 310
Helix 187	187	K	163	179	Right-handed alpha
Helix 188	188	K	191	205	Right-handed alpha
Helix 189	189	K	220	228	Right-handed alpha
Helix 190	190	K	239	253	Right-handed alpha
Helix 191	191	K	274	288	Right-handed alpha
Helix 192	192	K	289	292	Right-handed 310
Helix 193	193	K	306	320	Right-handed alpha
Helix 194	194	K	338	355	Right-handed alpha
Helix 195	195	K	387	392	Right-handed alpha
Helix 196	196	K	406	415	Right-handed alpha
Helix 197	197	K	429	440	Right-handed alpha
Helix 198	198	K	462	464	Right-handed 310
Helix 199	199	K	471	478	Right-handed alpha
Helix 200	200	L	43	58	Right-handed alpha
Helix 201	201	L	70	88	Right-handed alpha
Helix 202	202	L	88	101	Right-handed alpha
Helix 203	203	L	103	129	Right-handed alpha
Helix 204	204	L	130	132	Right-handed 310
Helix 205	205	L	163	179	Right-handed alpha
Helix 206	206	L	191	205	Right-handed alpha
Helix 207	207	L	220	228	Right-handed alpha
Helix 208	208	L	239	253	Right-handed alpha
Helix 209	209	L	274	288	Right-handed alpha
Helix 210	210	L	289	292	Right-handed 310
Helix 211	211	L	306	320	Right-handed alpha
Helix 212	212	L	338	355	Right-handed alpha
Helix 213	213	L	387	392	Right-handed alpha
Helix 214	214	L	406	415	Right-handed alpha
Helix 215	215	L	429	440	Right-handed alpha
Helix 216	216	L	462	464	Right-handed 310
Helix 217	217	L	471	478	Right-handed alpha

There are 48 sheets in PDB entry 3IWK. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, AK, AL, AM, AN, AO, AP, AQ, AR, AS, AT, AU, AV,

There are 2 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	10	12	first strand
Strand 2	A	15	17	anti-parallel

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There are 2 strands in B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	24	28	first strand
Strand 2	A	35	40	anti-parallel

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There are 10 strands in C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	134	135	first strand
Strand 2	A	143	151	anti-parallel
Strand 3	A	480	488	anti-parallel
Strand 4	B	444	447	parallel
Strand 5	B	424	426	parallel
Strand 6	B	265	269	parallel
Strand 7	B	297	303	parallel
Strand 8	B	398	404	parallel
Strand 9	B	378	381	parallel
Strand 10	B	358	361	anti-parallel

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There are 6 strands in D sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	211	213	first strand
Strand 2	A	181	185	parallel
Strand 3	A	154	158	parallel
Strand 4	A	233	237	parallel
Strand 5	A	257	260	parallel
Strand 6	A	466	467	anti-parallel

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There are 10 strands in E sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	358	361	first strand
Strand 2	A	378	381	anti-parallel
Strand 3	A	398	404	parallel
Strand 4	A	297	303	parallel
Strand 5	A	265	269	parallel
Strand 6	A	424	426	parallel
Strand 7	A	444	447	parallel
Strand 8	B	480	488	parallel
Strand 9	B	143	151	anti-parallel
Strand 10	B	134	136	anti-parallel

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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	10	12	first strand
Strand 2	B	15	17	anti-parallel

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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	24	28	first strand
Strand 2	B	35	40	anti-parallel

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There are 6 strands in H sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	211	213	first strand
Strand 2	B	181	185	parallel
Strand 3	B	154	158	parallel
Strand 4	B	233	237	parallel
Strand 5	B	257	260	parallel
Strand 6	B	466	467	anti-parallel

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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	10	12	first strand
Strand 2	C	15	17	anti-parallel

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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	24	28	first strand
Strand 2	C	35	40	anti-parallel

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There are 10 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	134	136	first strand
Strand 2	C	143	151	anti-parallel
Strand 3	C	480	488	anti-parallel
Strand 4	D	444	447	parallel
Strand 5	D	424	426	parallel
Strand 6	D	266	269	parallel
Strand 7	D	299	303	parallel
Strand 8	D	398	404	parallel
Strand 9	D	378	381	parallel
Strand 10	D	358	361	anti-parallel

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There are 6 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	211	213	first strand
Strand 2	C	181	185	parallel
Strand 3	C	154	158	parallel
Strand 4	C	233	237	parallel
Strand 5	C	257	260	parallel
Strand 6	C	466	467	anti-parallel

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There are 10 strands in M sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	358	361	first strand
Strand 2	C	378	381	anti-parallel
Strand 3	C	398	404	parallel
Strand 4	C	297	303	parallel
Strand 5	C	265	269	parallel
Strand 6	C	424	426	parallel
Strand 7	C	444	447	parallel
Strand 8	D	480	488	parallel
Strand 9	D	143	151	anti-parallel
Strand 10	D	134	136	anti-parallel

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There are 2 strands in N sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	10	12	first strand
Strand 2	D	15	17	anti-parallel

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There are 2 strands in O sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	24	28	first strand
Strand 2	D	35	40	anti-parallel

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There are 6 strands in P sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	211	213	first strand
Strand 2	D	181	185	parallel
Strand 3	D	154	158	parallel
Strand 4	D	233	237	parallel
Strand 5	D	257	260	parallel
Strand 6	D	466	467	anti-parallel

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There are 2 strands in Q sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	10	12	first strand
Strand 2	E	15	17	anti-parallel

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There are 2 strands in R sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	23	28	first strand
Strand 2	E	35	41	anti-parallel

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There are 10 strands in S sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	134	136	first strand
Strand 2	E	143	151	anti-parallel
Strand 3	E	480	488	anti-parallel
Strand 4	F	444	447	parallel
Strand 5	F	424	426	parallel
Strand 6	F	266	269	parallel
Strand 7	F	299	303	parallel
Strand 8	F	398	404	parallel
Strand 9	F	378	381	parallel
Strand 10	F	358	361	anti-parallel

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There are 6 strands in T sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	211	213	first strand
Strand 2	E	181	185	parallel
Strand 3	E	154	158	parallel
Strand 4	E	233	237	parallel
Strand 5	E	257	260	parallel
Strand 6	E	466	467	anti-parallel

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There are 10 strands in U sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	358	361	first strand
Strand 2	E	378	381	anti-parallel
Strand 3	E	398	404	parallel
Strand 4	E	297	303	parallel
Strand 5	E	265	269	parallel
Strand 6	E	424	426	parallel
Strand 7	E	444	447	parallel
Strand 8	F	480	488	parallel
Strand 9	F	143	151	anti-parallel
Strand 10	F	134	136	anti-parallel

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There are 2 strands in V sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	10	12	first strand
Strand 2	F	15	17	anti-parallel

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There are 2 strands in W sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	24	28	first strand
Strand 2	F	35	40	anti-parallel

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There are 6 strands in X sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	211	213	first strand
Strand 2	F	181	185	parallel
Strand 3	F	154	158	parallel
Strand 4	F	233	237	parallel
Strand 5	F	257	260	parallel
Strand 6	F	466	467	anti-parallel

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There are 2 strands in Y sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	10	12	first strand
Strand 2	G	15	17	anti-parallel

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There are 2 strands in Z sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	23	28	first strand
Strand 2	G	35	41	anti-parallel

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There are 10 strands in AA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	134	136	first strand
Strand 2	G	143	151	anti-parallel
Strand 3	G	480	488	anti-parallel
Strand 4	H	444	447	parallel
Strand 5	H	424	426	parallel
Strand 6	H	265	269	parallel
Strand 7	H	297	303	parallel
Strand 8	H	398	404	parallel
Strand 9	H	378	381	parallel
Strand 10	H	358	361	anti-parallel

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There are 6 strands in AB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	211	213	first strand
Strand 2	G	181	185	parallel
Strand 3	G	154	158	parallel
Strand 4	G	233	237	parallel
Strand 5	G	257	260	parallel
Strand 6	G	466	467	anti-parallel

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There are 10 strands in AC sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	358	361	first strand
Strand 2	G	378	381	anti-parallel
Strand 3	G	398	404	parallel
Strand 4	G	297	303	parallel
Strand 5	G	265	269	parallel
Strand 6	G	424	426	parallel
Strand 7	G	444	447	parallel
Strand 8	H	480	488	parallel
Strand 9	H	143	151	anti-parallel
Strand 10	H	134	136	anti-parallel

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There are 2 strands in AD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	10	12	first strand
Strand 2	H	15	17	anti-parallel

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There are 2 strands in AE sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	24	28	first strand
Strand 2	H	35	40	anti-parallel

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There are 6 strands in AF sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	211	213	first strand
Strand 2	H	181	185	parallel
Strand 3	H	154	158	parallel
Strand 4	H	233	237	parallel
Strand 5	H	257	260	parallel
Strand 6	H	466	467	anti-parallel

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There are 2 strands in AG sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	10	12	first strand
Strand 2	I	15	17	anti-parallel

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There are 2 strands in AH sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	24	28	first strand
Strand 2	I	35	40	anti-parallel

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There are 10 strands in AI sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	134	135	first strand
Strand 2	I	143	151	anti-parallel
Strand 3	I	480	488	anti-parallel
Strand 4	J	444	447	parallel
Strand 5	J	424	426	parallel
Strand 6	J	265	269	parallel
Strand 7	J	297	303	parallel
Strand 8	J	398	404	parallel
Strand 9	J	378	381	parallel
Strand 10	J	358	361	anti-parallel

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There are 6 strands in AJ sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	211	213	first strand
Strand 2	I	181	185	parallel
Strand 3	I	154	158	parallel
Strand 4	I	233	237	parallel
Strand 5	I	257	260	parallel
Strand 6	I	466	467	anti-parallel

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There are 10 strands in AK sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	358	361	first strand
Strand 2	I	378	381	anti-parallel
Strand 3	I	398	404	parallel
Strand 4	I	299	303	parallel
Strand 5	I	266	269	parallel
Strand 6	I	424	426	parallel
Strand 7	I	444	447	parallel
Strand 8	J	480	488	parallel
Strand 9	J	143	151	anti-parallel
Strand 10	J	134	136	anti-parallel

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There are 2 strands in AL sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	10	12	first strand
Strand 2	J	15	17	anti-parallel

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There are 2 strands in AM sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	23	28	first strand
Strand 2	J	35	41	anti-parallel

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There are 6 strands in AN sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	211	213	first strand
Strand 2	J	181	185	parallel
Strand 3	J	154	158	parallel
Strand 4	J	233	237	parallel
Strand 5	J	257	260	parallel
Strand 6	J	466	467	anti-parallel

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There are 2 strands in AO sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	10	12	first strand
Strand 2	K	15	17	anti-parallel

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There are 2 strands in AP sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	24	28	first strand
Strand 2	K	35	40	anti-parallel

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There are 10 strands in AQ sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	134	136	first strand
Strand 2	K	143	151	anti-parallel
Strand 3	K	480	488	anti-parallel
Strand 4	L	444	447	parallel
Strand 5	L	424	426	parallel
Strand 6	L	265	269	parallel
Strand 7	L	297	303	parallel
Strand 8	L	398	404	parallel
Strand 9	L	378	381	parallel
Strand 10	L	358	361	anti-parallel

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There are 6 strands in AR sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	211	213	first strand
Strand 2	K	181	185	parallel
Strand 3	K	154	158	parallel
Strand 4	K	233	237	parallel
Strand 5	K	257	260	parallel
Strand 6	K	466	467	anti-parallel

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There are 10 strands in AS sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	358	361	first strand
Strand 2	K	378	381	anti-parallel
Strand 3	K	398	404	parallel
Strand 4	K	297	303	parallel
Strand 5	K	265	269	parallel
Strand 6	K	424	426	parallel
Strand 7	K	444	447	parallel
Strand 8	L	480	488	parallel
Strand 9	L	143	151	anti-parallel
Strand 10	L	134	136	anti-parallel

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There are 2 strands in AT sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	10	12	first strand
Strand 2	L	15	17	anti-parallel

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There are 2 strands in AU sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	24	28	first strand
Strand 2	L	35	40	anti-parallel

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There are 6 strands in AV sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	211	213	first strand
Strand 2	L	181	185	parallel
Strand 3	L	154	158	parallel
Strand 4	L	233	237	parallel
Strand 5	L	257	260	parallel
Strand 6	L	466	467	anti-parallel

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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il

Analysis of interatomic Contacts of Structural Units in PDB entry: 3IWK

Analysis of interatomic Contacts of Structural Units in PDB entry:
3IWK