Analysis of interatomic Contacts of Structural Units in PDB entry:
3IL4


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 3IL4 entry

There are 12 chains in PDB entry 3IL4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 6SER 12
A
 THR 14ASN 21
A
 VAL 23LEU 325
B
 ASN 7SER 12
B
 THR 14ASN 21
B
 VAL 23LEU 325
C
 ASN 7SER 12
C
 THR 14ASN 21
C
 VAL 23LEU 325
D
 LYS 6SER 12
D
 THR 14ASN 21
D
 VAL 23LEU 325
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 68 helices in PDB entry 3IL4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
25 30Right-handed alpha
Helix 2
2
A
35 44Right-handed alpha
Helix 3
3
A
55 72Right-handed alpha
Helix 4
4
A
74 78Right-handed 310
Helix 5
5
A
94 104Right-handed alpha
Helix 6
6
A
115 117Right-handed 310
Helix 7
7
A
118 133Right-handed alpha
Helix 8
8
A
148 150Right-handed 310
Helix 9
9
A
155 160Right-handed alpha
Helix 10
10
A
188 192Right-handed 310
Helix 11
11
A
219 239Right-handed alpha
Helix 12
12
A
240 244Right-handed 310
Helix 13
13
A
253 265Right-handed alpha
Helix 14
14
A
267 271Right-handed 310
Helix 15
15
A
274 279Right-handed alpha
Helix 16
16
A
281 283Right-handed 310
Helix 17
17
A
284 296Right-handed alpha
Helix 18
18
B
25 30Right-handed alpha
Helix 19
19
B
35 44Right-handed alpha
Helix 20
20
B
55 72Right-handed alpha
Helix 21
21
B
74 78Right-handed 310
Helix 22
22
B
94 104Right-handed alpha
Helix 23
23
B
115 117Right-handed 310
Helix 24
24
B
118 133Right-handed alpha
Helix 25
25
B
148 150Right-handed 310
Helix 26
26
B
155 160Right-handed alpha
Helix 27
27
B
188 192Right-handed 310
Helix 28
28
B
219 239Right-handed alpha
Helix 29
29
B
240 244Right-handed 310
Helix 30
30
B
253 265Right-handed alpha
Helix 31
31
B
267 271Right-handed 310
Helix 32
32
B
274 279Right-handed alpha
Helix 33
33
B
281 283Right-handed 310
Helix 34
34
B
284 296Right-handed alpha
Helix 35
35
C
25 30Right-handed alpha
Helix 36
36
C
35 44Right-handed alpha
Helix 37
37
C
55 72Right-handed alpha
Helix 38
38
C
74 78Right-handed 310
Helix 39
39
C
94 104Right-handed alpha
Helix 40
40
C
115 117Right-handed 310
Helix 41
41
C
118 133Right-handed alpha
Helix 42
42
C
148 150Right-handed 310
Helix 43
43
C
155 160Right-handed alpha
Helix 44
44
C
188 192Right-handed 310
Helix 45
45
C
219 239Right-handed alpha
Helix 46
46
C
240 244Right-handed 310
Helix 47
47
C
253 265Right-handed alpha
Helix 48
48
C
267 271Right-handed 310
Helix 49
49
C
274 279Right-handed alpha
Helix 50
50
C
281 283Right-handed 310
Helix 51
51
C
284 296Right-handed alpha
Helix 52
52
D
25 30Right-handed alpha
Helix 53
53
D
35 44Right-handed alpha
Helix 54
54
D
55 72Right-handed alpha
Helix 55
55
D
74 78Right-handed 310
Helix 56
56
D
94 104Right-handed alpha
Helix 57
57
D
115 117Right-handed 310
Helix 58
58
D
118 133Right-handed alpha
Helix 59
59
D
148 150Right-handed 310
Helix 60
60
D
155 160Right-handed alpha
Helix 61
61
D
188 192Right-handed 310
Helix 62
62
D
219 239Right-handed alpha
Helix 63
63
D
240 244Right-handed 310
Helix 64
64
D
253 265Right-handed alpha
Helix 65
65
D
267 271Right-handed 310
Helix 66
66
D
274 279Right-handed alpha
Helix 67
67
D
281 283Right-handed 310
Helix 68
68
D
284 296Right-handed alpha
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There are 14 sheets in PDB entry 3IL4. 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,

There are 10 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
8 17first strand
Strand 2
A
164 174anti-parallel
Strand 3
A
138 146anti-parallel
Strand 4
A
80 84parallel
Strand 5
A
109 114parallel
Strand 6
B
109 114anti-parallel
Strand 7
B
80 84parallel
Strand 8
B
138 146parallel
Strand 9
B
164 174anti-parallel
Strand 10
B
8 17anti-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
22 24first strand
Strand 2
A
47 49anti-parallel
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There are 4 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
179 186first strand
Strand 2
A
317 324anti-parallel
Strand 3
A
306 313anti-parallel
Strand 4
A
246 249parallel
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There are 2 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
194 195first strand
Strand 2
A
217 218anti-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
22 24first strand
Strand 2
B
47 49anti-parallel
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There are 4 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
179 186first strand
Strand 2
B
317 324anti-parallel
Strand 3
B
306 313anti-parallel
Strand 4
B
246 249parallel
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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
194 195first strand
Strand 2
B
217 218anti-parallel
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There are 10 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
8 17first strand
Strand 2
C
164 174anti-parallel
Strand 3
C
138 146anti-parallel
Strand 4
C
80 84parallel
Strand 5
C
109 114parallel
Strand 6
D
109 114anti-parallel
Strand 7
D
80 84parallel
Strand 8
D
138 146parallel
Strand 9
D
164 174anti-parallel
Strand 10
D
8 17anti-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
22 24first strand
Strand 2
C
47 49anti-parallel
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There are 4 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
179 186first strand
Strand 2
C
317 324anti-parallel
Strand 3
C
306 313anti-parallel
Strand 4
C
246 249parallel
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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
C
194 195first strand
Strand 2
C
217 218anti-parallel
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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
22 24first strand
Strand 2
D
47 49anti-parallel
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There are 4 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
179 186first strand
Strand 2
D
317 324anti-parallel
Strand 3
D
306 313anti-parallel
Strand 4
D
246 249parallel
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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
194 195first strand
Strand 2
D
217 218anti-parallel
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