Analysis of interatomic Contacts of Structural Units in PDB entry:
4IL1


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).
For CSU analysis of other PDB entry

This page provides analyses of contacts formed by:
For analysis of ligand-protein contacts, use: 3D structure can be seen in additional window with STING software for 4IL1 entry

There are 4 chains in PDB entry 4IL1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 163ARG 809
B
 SER 163ASP 811
C
 SER 163ARG 809
D
 SER 163ARG 810
Residue contacts

1. List of contacts for up to 10 consecutive residues:
Chain ID from residue number to residue number


2. Detailed analyses of contacts for any single residue:
Residue number chain ID
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There are 99 helices in PDB entry 4IL1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
173 188Right-handed alpha
Helix 2
2
A
196 201Right-handed alpha
Helix 3
3
A
211 220Right-handed alpha
Helix 4
4
A
229 238Right-handed alpha
Helix 5
5
A
244 257Right-handed alpha
Helix 6
6
A
265 278Right-handed alpha
Helix 7
7
A
282 298Right-handed alpha
Helix 8
8
A
306 315Right-handed alpha
Helix 9
9
A
363 368Right-handed alpha
Helix 10
10
A
375 385Right-handed alpha
Helix 11
11
A
390 406Right-handed alpha
Helix 12
12
A
427 439Right-handed alpha
Helix 13
13
A
458 473Right-handed alpha
Helix 14
14
A
486 493Right-handed alpha
Helix 15
15
A
494 502Right-handed alpha
Helix 16
16
A
504 518Right-handed alpha
Helix 17
17
A
541 547Right-handed alpha
Helix 18
18
A
558 566Right-handed alpha
Helix 19
19
A
594 605Right-handed alpha
Helix 20
20
A
643 647Right-handed 310
Helix 21
21
A
676 680Right-handed 310
Helix 22
22
A
681 700Right-handed alpha
Helix 23
23
A
795 800Right-handed alpha
Helix 24
24
A
801 805Right-handed 310
Helix 25
25
B
173 188Right-handed alpha
Helix 26
26
B
196 202Right-handed alpha
Helix 27
27
B
203 207Right-handed 310
Helix 28
28
B
211 220Right-handed alpha
Helix 29
29
B
229 241Right-handed alpha
Helix 30
30
B
244 257Right-handed alpha
Helix 31
31
B
265 278Right-handed alpha
Helix 32
32
B
282 298Right-handed alpha
Helix 33
33
B
306 315Right-handed alpha
Helix 34
34
B
363 368Right-handed alpha
Helix 35
35
B
375 385Right-handed alpha
Helix 36
36
B
390 408Right-handed alpha
Helix 37
37
B
427 439Right-handed alpha
Helix 38
38
B
458 473Right-handed alpha
Helix 39
39
B
486 493Right-handed alpha
Helix 40
40
B
494 502Right-handed alpha
Helix 41
41
B
504 518Right-handed alpha
Helix 42
42
B
541 547Right-handed alpha
Helix 43
43
B
558 566Right-handed alpha
Helix 44
44
B
594 605Right-handed alpha
Helix 45
45
B
643 647Right-handed 310
Helix 46
46
B
676 680Right-handed 310
Helix 47
47
B
681 700Right-handed alpha
Helix 48
48
B
795 801Right-handed alpha
Helix 49
49
B
802 805Right-handed 310
Helix 50
50
C
173 188Right-handed alpha
Helix 51
51
C
196 202Right-handed alpha
Helix 52
52
C
203 207Right-handed 310
Helix 53
53
C
211 220Right-handed alpha
Helix 54
54
C
229 240Right-handed alpha
Helix 55
55
C
246 257Right-handed alpha
Helix 56
56
C
265 278Right-handed alpha
Helix 57
57
C
282 298Right-handed alpha
Helix 58
58
C
306 315Right-handed alpha
Helix 59
59
C
363 368Right-handed alpha
Helix 60
60
C
375 385Right-handed alpha
Helix 61
61
C
390 406Right-handed alpha
Helix 62
62
C
427 439Right-handed alpha
Helix 63
63
C
458 473Right-handed alpha
Helix 64
64
C
486 493Right-handed alpha
Helix 65
65
C
494 502Right-handed alpha
Helix 66
66
C
504 518Right-handed alpha
Helix 67
67
C
541 547Right-handed alpha
Helix 68
68
C
558 566Right-handed alpha
Helix 69
69
C
594 605Right-handed alpha
Helix 70
70
C
643 647Right-handed 310
Helix 71
71
C
676 680Right-handed 310
Helix 72
72
C
681 700Right-handed alpha
Helix 73
73
C
795 801Right-handed alpha
Helix 74
74
C
802 805Right-handed 310
Helix 75
75
D
173 188Right-handed alpha
Helix 76
76
D
196 202Right-handed alpha
Helix 77
77
D
203 207Right-handed 310
Helix 78
78
D
211 220Right-handed alpha
Helix 79
79
D
229 238Right-handed alpha
Helix 80
80
D
244 257Right-handed alpha
Helix 81
81
D
265 278Right-handed alpha
Helix 82
82
D
282 298Right-handed alpha
Helix 83
83
D
306 314Right-handed alpha
Helix 84
84
D
363 368Right-handed alpha
Helix 85
85
D
375 385Right-handed alpha
Helix 86
86
D
390 408Right-handed alpha
Helix 87
87
D
427 439Right-handed alpha
Helix 88
88
D
458 473Right-handed alpha
Helix 89
89
D
486 493Right-handed alpha
Helix 90
90
D
494 502Right-handed alpha
Helix 91
91
D
504 518Right-handed alpha
Helix 92
92
D
541 547Right-handed alpha
Helix 93
93
D
558 566Right-handed alpha
Helix 94
94
D
594 605Right-handed alpha
Helix 95
95
D
643 647Right-handed 310
Helix 96
96
D
676 680Right-handed 310
Helix 97
97
D
681 700Right-handed alpha
Helix 98
98
D
795 801Right-handed alpha
Helix 99
99
D
802 805Right-handed 310
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There are 16 sheets in PDB entry 4IL1. 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,

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
194 195first strand
Strand 2
A
227 228anti-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
411 414first strand
Strand 2
A
521 524parallel
Strand 3
A
528 531anti-parallel
Strand 4
A
609 612parallel
Strand 5
A
635 638parallel
Strand 6
A
621 623anti-parallel
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There are 6 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
477 479first strand
Strand 2
A
446 448parallel
Strand 3
A
418 421parallel
Strand 4
A
652 658anti-parallel
Strand 5
A
661 667anti-parallel
Strand 6
C
166 169parallel
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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
567 568first strand
Strand 2
A
591 593parallel
Strand 3
A
581 583anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
194 195first strand
Strand 2
B
227 228anti-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
B
411 414first strand
Strand 2
B
521 524parallel
Strand 3
B
528 531anti-parallel
Strand 4
B
609 612parallel
Strand 5
B
635 638parallel
Strand 6
B
621 623anti-parallel
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There are 6 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
477 479first strand
Strand 2
B
446 448parallel
Strand 3
B
418 421parallel
Strand 4
B
652 658anti-parallel
Strand 5
B
661 667anti-parallel
Strand 6
D
166 169parallel
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There are 3 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
567 568first strand
Strand 2
B
591 593parallel
Strand 3
B
581 583anti-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
194 195first strand
Strand 2
C
227 228anti-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
C
411 414first strand
Strand 2
C
521 524parallel
Strand 3
C
528 531anti-parallel
Strand 4
C
609 612parallel
Strand 5
C
635 638parallel
Strand 6
C
621 623anti-parallel
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There are 5 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
477 479first strand
Strand 2
C
446 448parallel
Strand 3
C
418 421parallel
Strand 4
C
652 658anti-parallel
Strand 5
C
661 667anti-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
C
567 568first strand
Strand 2
C
591 593parallel
Strand 3
C
581 583anti-parallel
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There are 2 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
194 195first strand
Strand 2
D
227 228anti-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
D
411 414first strand
Strand 2
D
521 524parallel
Strand 3
D
528 531anti-parallel
Strand 4
D
609 612parallel
Strand 5
D
635 638parallel
Strand 6
D
621 623anti-parallel
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There are 5 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
477 479first strand
Strand 2
D
446 448parallel
Strand 3
D
418 421parallel
Strand 4
D
652 658anti-parallel
Strand 5
D
661 667anti-parallel
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There are 3 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
567 568first strand
Strand 2
D
591 593parallel
Strand 3
D
581 583anti-parallel
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