Analysis of interatomic Contacts of Structural Units in PDB entry:
8IL4

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 8IL4 entry

There are 3 chains in PDB entry 8IL4 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PRO 4	PRO 637
B	PRO 4	HIS 635
C	PRO 4	LEU 93

There are 89 helices in PDB entry 8IL4. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	15	29	Right-handed alpha
Helix 2	AA2	A	77	81	Right-handed 310
Helix 3	AA3	A	94	99	Right-handed 310
Helix 4	AA4	A	108	114	Right-handed alpha
Helix 5	AA5	A	121	132	Right-handed alpha
Helix 6	AA6	A	159	172	Right-handed alpha
Helix 7	AA7	A	205	211	Right-handed alpha
Helix 8	AA8	A	211	216	Right-handed alpha
Helix 9	AA9	A	270	281	Right-handed alpha
Helix 10	AB1	A	286	293	Right-handed alpha
Helix 11	AB2	A	327	333	Right-handed alpha
Helix 12	AB3	A	334	348	Right-handed alpha
Helix 13	AB4	A	349	352	Right-handed 310
Helix 14	AB5	A	370	374	Right-handed 310
Helix 15	AB6	A	375	387	Right-handed alpha
Helix 16	AB7	A	407	411	Right-handed 310
Helix 17	AB8	A	452	454	Right-handed 310
Helix 18	AB9	A	455	472	Right-handed alpha
Helix 19	AC1	A	499	507	Right-handed alpha
Helix 20	AC2	A	539	554	Right-handed alpha
Helix 21	AC3	A	568	572	Right-handed 310
Helix 22	AC4	A	591	595	Right-handed 310
Helix 23	AC5	A	603	622	Right-handed alpha
Helix 24	AC6	B	15	29	Right-handed alpha
Helix 25	AC7	B	94	99	Right-handed 310
Helix 26	AC8	B	108	114	Right-handed alpha
Helix 27	AC9	B	121	132	Right-handed alpha
Helix 28	AD1	B	159	172	Right-handed alpha
Helix 29	AD2	B	205	211	Right-handed alpha
Helix 30	AD3	B	211	216	Right-handed alpha
Helix 31	AD4	B	270	281	Right-handed alpha
Helix 32	AD5	B	286	293	Right-handed alpha
Helix 33	AD6	B	327	333	Right-handed alpha
Helix 34	AD7	B	334	348	Right-handed alpha
Helix 35	AD8	B	349	356	Right-handed 310
Helix 36	AD9	B	368	373	Right-handed alpha
Helix 37	AE1	B	375	387	Right-handed alpha
Helix 38	AE2	B	452	454	Right-handed 310
Helix 39	AE3	B	455	472	Right-handed alpha
Helix 40	AE4	B	481	484	Right-handed 310
Helix 41	AE5	B	499	507	Right-handed alpha
Helix 42	AE6	B	539	554	Right-handed alpha
Helix 43	AE7	B	568	572	Right-handed 310
Helix 44	AE8	B	591	595	Right-handed 310
Helix 45	AE9	B	603	623	Right-handed alpha
Helix 46	AF1	C	15	29	Right-handed alpha
Helix 47	AF2	C	94	99	Right-handed 310
Helix 48	AF3	C	108	114	Right-handed alpha
Helix 49	AF4	C	121	132	Right-handed alpha
Helix 50	AF5	C	159	172	Right-handed alpha
Helix 51	AF6	C	205	211	Right-handed alpha
Helix 52	AF7	C	211	216	Right-handed alpha
Helix 53	AF8	C	274	283	Right-handed alpha
Helix 54	AF9	C	286	293	Right-handed alpha
Helix 55	AG1	C	327	333	Right-handed alpha
Helix 56	AG2	C	336	341	Right-handed alpha
Helix 57	AG3	C	368	373	Right-handed alpha
Helix 58	AG4	C	375	387	Right-handed alpha
Helix 59	AG5	C	452	454	Right-handed 310
Helix 60	AG6	C	455	472	Right-handed alpha
Helix 61	AG7	C	481	484	Right-handed 310
Helix 62	AG8	C	499	507	Right-handed alpha
Helix 63	AG9	C	539	554	Right-handed alpha
Helix 64	AH1	C	568	572	Right-handed 310
Helix 65	AH2	C	591	595	Right-handed 310
Helix 66	AH3	C	603	622	Right-handed alpha
Helix 67	AH4	D	15	29	Right-handed alpha
Helix 68	AH5	D	77	81	Right-handed 310
Helix 69	AH6	D	94	99	Right-handed 310
Helix 70	AH7	D	108	114	Right-handed alpha
Helix 71	AH8	D	121	132	Right-handed alpha
Helix 72	AH9	D	159	172	Right-handed alpha
Helix 73	AI1	D	205	211	Right-handed alpha
Helix 74	AI2	D	211	216	Right-handed alpha
Helix 75	AI3	D	274	282	Right-handed alpha
Helix 76	AI4	D	286	293	Right-handed alpha
Helix 77	AI5	D	327	332	Right-handed alpha
Helix 78	AI6	D	337	342	Right-handed alpha
Helix 79	AI7	D	348	352	Right-handed 310
Helix 80	AI8	D	368	373	Right-handed alpha
Helix 81	AI9	D	375	387	Right-handed alpha
Helix 82	AJ1	D	452	454	Right-handed 310
Helix 83	AJ2	D	455	472	Right-handed alpha
Helix 84	AJ3	D	481	484	Right-handed 310
Helix 85	AJ4	D	499	507	Right-handed alpha
Helix 86	AJ5	D	539	554	Right-handed alpha
Helix 87	AJ6	D	568	572	Right-handed 310
Helix 88	AJ7	D	591	595	Right-handed 310
Helix 89	AJ8	D	603	623	Right-handed alpha

There are 28 sheets in PDB entry 8IL4. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2, AB3, AB4, AB5, AB6, AB7, AB8, AB9, AC1, AC2, AC3, AC4, AC5, AC6, AC7, AC8, AC9, AD1,

There are 6 strands in AA1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	221	224	first strand
Strand 2	A	34	37	parallel
Strand 3	A	6	12	parallel
Strand 4	A	258	268	parallel
Strand 5	A	240	247	anti-parallel
Strand 6	A	227	234	anti-parallel

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There are 5 strands in AA2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	221	224	first strand
Strand 2	A	34	37	parallel
Strand 3	A	6	12	parallel
Strand 4	A	258	268	parallel
Strand 5	A	587	589	parallel

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There are 2 strands in AA3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	68	72	first strand
Strand 2	A	86	90	anti-parallel

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There are 2 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	133	135	first strand
Strand 2	A	150	152	parallel

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There are 6 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	188	191	first strand
Strand 2	A	359	365	anti-parallel
Strand 3	A	396	401	anti-parallel
Strand 4	A	415	423	anti-parallel
Strand 5	A	312	320	anti-parallel
Strand 6	A	476	479	anti-parallel

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There are 2 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	284	285	first strand
Strand 2	A	299	300	parallel

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There are 2 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	431	433	first strand
Strand 2	A	444	446	anti-parallel

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There are 6 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	221	224	first strand
Strand 2	B	34	37	parallel
Strand 3	B	6	12	parallel
Strand 4	B	258	268	parallel
Strand 5	B	240	247	anti-parallel
Strand 6	B	227	234	anti-parallel

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There are 5 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	221	224	first strand
Strand 2	B	34	37	parallel
Strand 3	B	6	12	parallel
Strand 4	B	258	268	parallel
Strand 5	B	587	589	parallel

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There are 2 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	68	72	first strand
Strand 2	B	86	90	anti-parallel

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There are 2 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	133	135	first strand
Strand 2	B	150	152	parallel

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There are 6 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	188	191	first strand
Strand 2	B	361	365	anti-parallel
Strand 3	B	396	401	anti-parallel
Strand 4	B	415	423	anti-parallel
Strand 5	B	312	320	anti-parallel
Strand 6	B	476	479	anti-parallel

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There are 2 strands in AB4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	284	285	first strand
Strand 2	B	299	300	parallel

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There are 3 strands in AB5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	306	308	first strand
Strand 2	B	430	433	anti-parallel
Strand 3	B	444	446	anti-parallel

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There are 6 strands in AB6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	221	224	first strand
Strand 2	C	34	37	parallel
Strand 3	C	6	12	parallel
Strand 4	C	258	268	parallel
Strand 5	C	240	247	anti-parallel
Strand 6	C	227	234	anti-parallel

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There are 5 strands in AB7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	221	224	first strand
Strand 2	C	34	37	parallel
Strand 3	C	6	12	parallel
Strand 4	C	258	268	parallel
Strand 5	C	587	589	parallel

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There are 2 strands in AB8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	68	72	first strand
Strand 2	C	86	90	anti-parallel

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There are 2 strands in AB9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	133	135	first strand
Strand 2	C	150	152	parallel

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There are 6 strands in AC1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	188	191	first strand
Strand 2	C	361	365	anti-parallel
Strand 3	C	396	401	anti-parallel
Strand 4	C	415	423	anti-parallel
Strand 5	C	313	320	anti-parallel
Strand 6	C	476	479	anti-parallel

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There are 2 strands in AC2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	284	285	first strand
Strand 2	C	299	300	parallel

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There are 2 strands in AC3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	431	433	first strand
Strand 2	C	444	446	anti-parallel

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There are 6 strands in AC4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	221	224	first strand
Strand 2	D	34	37	parallel
Strand 3	D	6	12	parallel
Strand 4	D	258	268	parallel
Strand 5	D	240	247	anti-parallel
Strand 6	D	227	234	anti-parallel

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There are 5 strands in AC5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	221	224	first strand
Strand 2	D	34	37	parallel
Strand 3	D	6	12	parallel
Strand 4	D	258	268	parallel
Strand 5	D	587	589	parallel

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There are 2 strands in AC6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	68	72	first strand
Strand 2	D	86	90	anti-parallel

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There are 2 strands in AC7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	133	135	first strand
Strand 2	D	150	152	parallel

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There are 6 strands in AC8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	188	191	first strand
Strand 2	D	361	365	anti-parallel
Strand 3	D	396	401	anti-parallel
Strand 4	D	416	423	anti-parallel
Strand 5	D	312	320	anti-parallel
Strand 6	D	476	479	anti-parallel

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There are 2 strands in AC9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	284	285	first strand
Strand 2	D	299	300	parallel

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There are 2 strands in AD1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	431	433	first strand
Strand 2	D	444	446	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: 8IL4

Analysis of interatomic Contacts of Structural Units in PDB entry:
8IL4