Analysis of interatomic Contacts of Structural Units in PDB entry:
2IGN

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 2IGN entry

There are 8 chains in PDB entry 2IGN (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 43	THR 619
B	MET 43	THR 619
D	MET 43	THR 619
C	MET 43	THR 619
E	MET 43	THR 619
F	MET 43	THR 619
H	MET 43	THR 619
G	MET 43	THR 619

There are135 helices in PDB entry 2IGN. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	55	68	Right-handed alpha
Helix 2	2	A	93	99	Right-handed alpha
Helix 3	3	A	102	111	Right-handed alpha
Helix 4	4	A	162	167	Right-handed 310
Helix 5	5	A	176	180	Right-handed 310
Helix 6	6	A	187	207	Right-handed alpha
Helix 7	7	A	216	230	Right-handed alpha
Helix 8	8	A	255	260	Right-handed alpha
Helix 9	9	A	320	332	Right-handed alpha
Helix 10	10	A	369	377	Right-handed alpha
Helix 11	11	A	405	419	Right-handed alpha
Helix 12	12	A	459	463	Right-handed 310
Helix 13	13	A	464	466	Right-handed 310
Helix 14	14	A	509	528	Right-handed alpha
Helix 15	15	A	582	586	Right-handed 310
Helix 16	16	A	594	613	Right-handed alpha
Helix 17	17	B	55	68	Right-handed alpha
Helix 18	18	B	93	99	Right-handed alpha
Helix 19	19	B	102	111	Right-handed alpha
Helix 20	20	B	162	167	Right-handed 310
Helix 21	21	B	176	180	Right-handed 310
Helix 22	22	B	187	207	Right-handed alpha
Helix 23	23	B	216	230	Right-handed alpha
Helix 24	24	B	255	260	Right-handed alpha
Helix 25	25	B	321	332	Right-handed alpha
Helix 26	26	B	369	377	Right-handed alpha
Helix 27	27	B	405	419	Right-handed alpha
Helix 28	28	B	459	463	Right-handed 310
Helix 29	29	B	464	466	Right-handed 310
Helix 30	30	B	509	527	Right-handed alpha
Helix 31	31	B	582	586	Right-handed 310
Helix 32	32	B	594	613	Right-handed alpha
Helix 33	33	D	55	68	Right-handed alpha
Helix 34	34	D	89	92	Right-handed 310
Helix 35	35	D	93	99	Right-handed alpha
Helix 36	36	D	102	111	Right-handed alpha
Helix 37	37	D	162	167	Right-handed 310
Helix 38	38	D	176	180	Right-handed 310
Helix 39	39	D	187	207	Right-handed alpha
Helix 40	40	D	216	230	Right-handed alpha
Helix 41	41	D	255	260	Right-handed alpha
Helix 42	42	D	321	332	Right-handed alpha
Helix 43	43	D	369	377	Right-handed alpha
Helix 44	44	D	405	419	Right-handed alpha
Helix 45	45	D	459	463	Right-handed 310
Helix 46	46	D	464	466	Right-handed 310
Helix 47	47	D	509	527	Right-handed alpha
Helix 48	48	D	582	586	Right-handed 310
Helix 49	49	D	594	613	Right-handed alpha
Helix 50	50	C	55	68	Right-handed alpha
Helix 51	51	C	93	99	Right-handed alpha
Helix 52	52	C	102	111	Right-handed alpha
Helix 53	53	C	162	167	Right-handed 310
Helix 54	54	C	176	180	Right-handed 310
Helix 55	55	C	187	207	Right-handed alpha
Helix 56	56	C	216	230	Right-handed alpha
Helix 57	57	C	255	260	Right-handed alpha
Helix 58	58	C	321	332	Right-handed alpha
Helix 59	59	C	369	377	Right-handed alpha
Helix 60	60	C	405	419	Right-handed alpha
Helix 61	61	C	459	463	Right-handed 310
Helix 62	62	C	464	466	Right-handed 310
Helix 63	63	C	509	527	Right-handed alpha
Helix 64	64	C	582	586	Right-handed 310
Helix 65	65	C	594	613	Right-handed alpha
Helix 66	66	E	55	68	Right-handed alpha
Helix 67	67	E	89	92	Right-handed 310
Helix 68	68	E	93	99	Right-handed alpha
Helix 69	69	E	100	102	Right-handed 310
Helix 70	70	E	103	111	Right-handed alpha
Helix 71	71	E	162	167	Right-handed 310
Helix 72	72	E	176	180	Right-handed 310
Helix 73	73	E	187	207	Right-handed alpha
Helix 74	74	E	216	230	Right-handed alpha
Helix 75	75	E	255	260	Right-handed alpha
Helix 76	76	E	321	332	Right-handed alpha
Helix 77	77	E	369	376	Right-handed alpha
Helix 78	78	E	405	419	Right-handed alpha
Helix 79	79	E	459	463	Right-handed 310
Helix 80	80	E	464	466	Right-handed 310
Helix 81	81	E	509	527	Right-handed alpha
Helix 82	82	E	582	586	Right-handed 310
Helix 83	83	E	594	613	Right-handed alpha
Helix 84	84	F	55	68	Right-handed alpha
Helix 85	85	F	89	92	Right-handed 310
Helix 86	86	F	93	99	Right-handed alpha
Helix 87	87	F	100	102	Right-handed 310
Helix 88	88	F	103	111	Right-handed alpha
Helix 89	89	F	162	167	Right-handed 310
Helix 90	90	F	176	180	Right-handed 310
Helix 91	91	F	187	207	Right-handed alpha
Helix 92	92	F	216	230	Right-handed alpha
Helix 93	93	F	255	260	Right-handed alpha
Helix 94	94	F	320	332	Right-handed alpha
Helix 95	95	F	369	377	Right-handed alpha
Helix 96	96	F	405	419	Right-handed alpha
Helix 97	97	F	459	463	Right-handed 310
Helix 98	98	F	464	466	Right-handed 310
Helix 99	99	F	509	527	Right-handed alpha
Helix 100	100	F	582	586	Right-handed 310
Helix 101	101	F	594	613	Right-handed alpha
Helix 102	102	H	55	68	Right-handed alpha
Helix 103	103	H	93	99	Right-handed alpha
Helix 104	104	H	100	102	Right-handed 310
Helix 105	105	H	103	111	Right-handed alpha
Helix 106	106	H	162	167	Right-handed 310
Helix 107	107	H	176	180	Right-handed 310
Helix 108	108	H	187	207	Right-handed alpha
Helix 109	109	H	216	230	Right-handed alpha
Helix 110	110	H	255	260	Right-handed alpha
Helix 111	111	H	321	332	Right-handed alpha
Helix 112	112	H	369	377	Right-handed alpha
Helix 113	113	H	405	419	Right-handed alpha
Helix 114	114	H	459	463	Right-handed 310
Helix 115	115	H	464	466	Right-handed 310
Helix 116	116	H	509	527	Right-handed alpha
Helix 117	117	H	582	586	Right-handed 310
Helix 118	118	H	594	613	Right-handed alpha
Helix 119	119	G	55	68	Right-handed alpha
Helix 120	120	G	93	99	Right-handed alpha
Helix 121	121	G	100	102	Right-handed 310
Helix 122	122	G	103	111	Right-handed alpha
Helix 123	123	G	162	167	Right-handed 310
Helix 124	124	G	176	180	Right-handed 310
Helix 125	125	G	187	207	Right-handed alpha
Helix 126	126	G	216	230	Right-handed alpha
Helix 127	127	G	255	260	Right-handed alpha
Helix 128	128	G	321	332	Right-handed alpha
Helix 129	129	G	369	377	Right-handed alpha
Helix 130	130	G	405	419	Right-handed alpha
Helix 131	131	G	459	463	Right-handed 310
Helix 132	132	G	464	466	Right-handed 310
Helix 133	133	G	509	528	Right-handed alpha
Helix 134	134	G	582	586	Right-handed 310
Helix 135	135	G	594	613	Right-handed alpha

There are 64 sheets in PDB entry 2IGN. 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, AW, AX, AY, AZ, BA, BB, BC, BD, BE, BF, BG, BH, BI, BJ, BK, BL,

There are 7 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	265	267	first strand
Strand 2	A	270	278	anti-parallel
Strand 3	A	71	75	parallel
Strand 4	A	46	52	parallel
Strand 5	A	308	318	parallel
Strand 6	A	295	302	anti-parallel
Strand 7	A	281	288	anti-parallel

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There are 6 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	265	267	first strand
Strand 2	A	270	278	anti-parallel
Strand 3	A	71	75	parallel
Strand 4	A	46	52	parallel
Strand 5	A	308	318	parallel
Strand 6	A	578	580	parallel

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There are 2 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	112	113	first strand
Strand 2	A	156	157	anti-parallel

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There are 3 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	208	209	first strand
Strand 2	A	241	247	anti-parallel
Strand 3	A	250	253	anti-parallel

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There are 6 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	237	238	first strand
Strand 2	A	434	436	anti-parallel
Strand 3	A	445	450	anti-parallel
Strand 4	A	468	475	anti-parallel
Strand 5	A	361	368	anti-parallel
Strand 6	A	530	532	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	237	238	first strand
Strand 2	A	434	436	anti-parallel
Strand 3	A	445	450	anti-parallel
Strand 4	A	468	475	anti-parallel
Strand 5	A	361	368	anti-parallel
Strand 6	A	539	540	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	A	381	383	first strand
Strand 2	A	392	394	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	484	492	first strand
Strand 2	A	498	503	anti-parallel

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There are 7 strands in I sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	265	267	first strand
Strand 2	B	270	278	anti-parallel
Strand 3	B	71	75	parallel
Strand 4	B	46	52	parallel
Strand 5	B	308	318	parallel
Strand 6	B	295	302	anti-parallel
Strand 7	B	281	288	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	265	267	first strand
Strand 2	B	270	278	anti-parallel
Strand 3	B	71	75	parallel
Strand 4	B	46	52	parallel
Strand 5	B	308	318	parallel
Strand 6	B	578	580	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	112	113	first strand
Strand 2	B	156	157	anti-parallel

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There are 3 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	208	209	first strand
Strand 2	B	241	247	anti-parallel
Strand 3	B	250	253	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	237	238	first strand
Strand 2	B	434	436	anti-parallel
Strand 3	B	445	450	anti-parallel
Strand 4	B	468	475	anti-parallel
Strand 5	B	361	368	anti-parallel
Strand 6	B	530	532	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	237	238	first strand
Strand 2	B	434	436	anti-parallel
Strand 3	B	445	450	anti-parallel
Strand 4	B	468	475	anti-parallel
Strand 5	B	361	368	anti-parallel
Strand 6	B	539	540	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	B	381	383	first strand
Strand 2	B	392	394	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	484	492	first strand
Strand 2	B	498	503	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	274	278	first strand
Strand 2	D	71	75	parallel
Strand 3	D	46	52	parallel
Strand 4	D	308	318	parallel
Strand 5	D	295	302	anti-parallel
Strand 6	D	281	288	anti-parallel

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There are 5 strands in R sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	274	278	first strand
Strand 2	D	71	75	parallel
Strand 3	D	46	52	parallel
Strand 4	D	308	318	parallel
Strand 5	D	578	580	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	112	113	first strand
Strand 2	D	156	157	anti-parallel

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There are 3 strands in T sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	208	209	first strand
Strand 2	D	241	247	anti-parallel
Strand 3	D	250	253	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	237	238	first strand
Strand 2	D	434	436	anti-parallel
Strand 3	D	445	450	anti-parallel
Strand 4	D	468	475	anti-parallel
Strand 5	D	361	368	anti-parallel
Strand 6	D	530	532	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	237	238	first strand
Strand 2	D	434	436	anti-parallel
Strand 3	D	445	450	anti-parallel
Strand 4	D	468	475	anti-parallel
Strand 5	D	361	368	anti-parallel
Strand 6	D	539	540	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	D	381	383	first strand
Strand 2	D	392	394	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	484	492	first strand
Strand 2	D	498	503	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	274	278	first strand
Strand 2	C	71	75	parallel
Strand 3	C	46	52	parallel
Strand 4	C	308	318	parallel
Strand 5	C	295	302	anti-parallel
Strand 6	C	281	288	anti-parallel

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There are 5 strands in Z sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	274	278	first strand
Strand 2	C	71	75	parallel
Strand 3	C	46	52	parallel
Strand 4	C	308	318	parallel
Strand 5	C	578	580	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	112	113	first strand
Strand 2	C	156	157	anti-parallel

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There are 3 strands in AB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	208	209	first strand
Strand 2	C	241	247	anti-parallel
Strand 3	C	250	253	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	237	238	first strand
Strand 2	C	434	436	anti-parallel
Strand 3	C	445	450	anti-parallel
Strand 4	C	468	475	anti-parallel
Strand 5	C	361	368	anti-parallel
Strand 6	C	530	532	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	237	238	first strand
Strand 2	C	434	436	anti-parallel
Strand 3	C	445	450	anti-parallel
Strand 4	C	468	475	anti-parallel
Strand 5	C	361	368	anti-parallel
Strand 6	C	539	540	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	C	381	383	first strand
Strand 2	C	392	394	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	484	492	first strand
Strand 2	C	498	503	anti-parallel

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There are 7 strands in AG sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	265	267	first strand
Strand 2	E	270	278	anti-parallel
Strand 3	E	71	75	parallel
Strand 4	E	46	52	parallel
Strand 5	E	308	318	parallel
Strand 6	E	295	302	anti-parallel
Strand 7	E	281	288	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	265	267	first strand
Strand 2	E	270	278	anti-parallel
Strand 3	E	71	75	parallel
Strand 4	E	46	52	parallel
Strand 5	E	308	318	parallel
Strand 6	E	578	580	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	112	113	first strand
Strand 2	E	156	157	anti-parallel

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There are 3 strands in AJ sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	208	209	first strand
Strand 2	E	241	247	anti-parallel
Strand 3	E	250	253	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	237	238	first strand
Strand 2	E	434	436	anti-parallel
Strand 3	E	445	450	anti-parallel
Strand 4	E	468	475	anti-parallel
Strand 5	E	361	368	anti-parallel
Strand 6	E	530	532	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	237	238	first strand
Strand 2	E	434	436	anti-parallel
Strand 3	E	445	450	anti-parallel
Strand 4	E	468	475	anti-parallel
Strand 5	E	361	368	anti-parallel
Strand 6	E	539	540	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	E	381	383	first strand
Strand 2	E	392	394	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	484	492	first strand
Strand 2	E	498	503	anti-parallel

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There are 7 strands in AO sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	265	267	first strand
Strand 2	F	270	278	anti-parallel
Strand 3	F	71	75	parallel
Strand 4	F	46	52	parallel
Strand 5	F	308	318	parallel
Strand 6	F	295	302	anti-parallel
Strand 7	F	281	288	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	265	267	first strand
Strand 2	F	270	278	anti-parallel
Strand 3	F	71	75	parallel
Strand 4	F	46	52	parallel
Strand 5	F	308	318	parallel
Strand 6	F	578	580	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	112	113	first strand
Strand 2	F	156	157	anti-parallel

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There are 3 strands in AR sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	208	209	first strand
Strand 2	F	241	247	anti-parallel
Strand 3	F	250	253	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	237	238	first strand
Strand 2	F	434	436	anti-parallel
Strand 3	F	445	450	anti-parallel
Strand 4	F	468	475	anti-parallel
Strand 5	F	361	368	anti-parallel
Strand 6	F	530	532	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	237	238	first strand
Strand 2	F	434	436	anti-parallel
Strand 3	F	445	450	anti-parallel
Strand 4	F	468	475	anti-parallel
Strand 5	F	361	368	anti-parallel
Strand 6	F	539	540	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	F	381	383	first strand
Strand 2	F	392	394	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	484	492	first strand
Strand 2	F	498	503	anti-parallel

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There are 7 strands in AW sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	265	267	first strand
Strand 2	H	270	278	anti-parallel
Strand 3	H	71	75	parallel
Strand 4	H	46	52	parallel
Strand 5	H	308	318	parallel
Strand 6	H	295	302	anti-parallel
Strand 7	H	281	288	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	265	267	first strand
Strand 2	H	270	278	anti-parallel
Strand 3	H	71	75	parallel
Strand 4	H	46	52	parallel
Strand 5	H	308	318	parallel
Strand 6	H	578	580	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	112	113	first strand
Strand 2	H	156	157	anti-parallel

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There are 3 strands in AZ sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	208	209	first strand
Strand 2	H	241	247	anti-parallel
Strand 3	H	250	253	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	237	238	first strand
Strand 2	H	434	436	anti-parallel
Strand 3	H	445	450	anti-parallel
Strand 4	H	468	475	anti-parallel
Strand 5	H	361	368	anti-parallel
Strand 6	H	530	532	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	237	238	first strand
Strand 2	H	434	436	anti-parallel
Strand 3	H	445	450	anti-parallel
Strand 4	H	468	475	anti-parallel
Strand 5	H	361	368	anti-parallel
Strand 6	H	539	540	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	381	383	first strand
Strand 2	H	392	394	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	484	492	first strand
Strand 2	H	498	503	anti-parallel

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There are 7 strands in BE sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	265	267	first strand
Strand 2	G	270	278	anti-parallel
Strand 3	G	71	75	parallel
Strand 4	G	46	52	parallel
Strand 5	G	308	318	parallel
Strand 6	G	295	302	anti-parallel
Strand 7	G	281	288	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	265	267	first strand
Strand 2	G	270	278	anti-parallel
Strand 3	G	71	75	parallel
Strand 4	G	46	52	parallel
Strand 5	G	308	318	parallel
Strand 6	G	578	580	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	112	113	first strand
Strand 2	G	156	157	anti-parallel

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There are 3 strands in BH sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	208	209	first strand
Strand 2	G	241	247	anti-parallel
Strand 3	G	250	253	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	237	238	first strand
Strand 2	G	434	436	anti-parallel
Strand 3	G	445	450	anti-parallel
Strand 4	G	468	475	anti-parallel
Strand 5	G	361	368	anti-parallel
Strand 6	G	530	532	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	237	238	first strand
Strand 2	G	434	436	anti-parallel
Strand 3	G	445	450	anti-parallel
Strand 4	G	468	475	anti-parallel
Strand 5	G	361	368	anti-parallel
Strand 6	G	539	540	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	381	383	first strand
Strand 2	G	392	394	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	484	492	first strand
Strand 2	G	498	503	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: 2IGN

Analysis of interatomic Contacts of Structural Units in PDB entry:
2IGN