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


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 4ILS entry

There are 3 chains in PDB entry 4ILS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 2GLY 382
B
 MET 1ILE 381
C
 ASN 2ILE 381
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 42 helices in PDB entry 4ILS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
14 28Right-handed alpha
Helix 2
2
A
38 44Right-handed alpha
Helix 3
3
A
46 57Right-handed alpha
Helix 4
4
A
66 76Right-handed alpha
Helix 5
5
A
89 91Right-handed 310
Helix 6
6
A
92 99Right-handed alpha
Helix 7
7
A
107 118Right-handed alpha
Helix 8
8
A
141 155Right-handed alpha
Helix 9
9
A
181 191Right-handed alpha
Helix 10
10
A
221 226Right-handed 310
Helix 11
11
A
283 287Right-handed 310
Helix 12
12
A
289 293Right-handed 310
Helix 13
13
A
341 350Right-handed alpha
Helix 14
14
A
354 360Right-handed alpha
Helix 15
15
B
14 28Right-handed alpha
Helix 16
16
B
38 45Right-handed alpha
Helix 17
17
B
46 58Right-handed alpha
Helix 18
18
B
66 76Right-handed alpha
Helix 19
19
B
89 91Right-handed 310
Helix 20
20
B
92 99Right-handed alpha
Helix 21
21
B
107 118Right-handed alpha
Helix 22
22
B
141 155Right-handed alpha
Helix 23
23
B
181 191Right-handed alpha
Helix 24
24
B
221 226Right-handed 310
Helix 25
25
B
283 287Right-handed 310
Helix 26
26
B
289 293Right-handed 310
Helix 27
27
B
341 350Right-handed alpha
Helix 28
28
B
354 360Right-handed alpha
Helix 29
29
C
14 28Right-handed alpha
Helix 30
30
C
38 44Right-handed alpha
Helix 31
31
C
46 57Right-handed alpha
Helix 32
32
C
66 76Right-handed alpha
Helix 33
33
C
89 91Right-handed 310
Helix 34
34
C
92 99Right-handed alpha
Helix 35
35
C
107 118Right-handed alpha
Helix 36
36
C
141 155Right-handed alpha
Helix 37
37
C
182 191Right-handed alpha
Helix 38
38
C
221 226Right-handed 310
Helix 39
39
C
283 287Right-handed 310
Helix 40
40
C
289 293Right-handed 310
Helix 41
41
C
341 350Right-handed alpha
Helix 42
42
C
354 360Right-handed alpha
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There are 10 sheets in PDB entry 4ILS. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

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
253 257first strand
Strand 2
A
275 280anti-parallel
Strand 3
A
315 319anti-parallel
Strand 4
A
302 307anti-parallel
Strand 5
A
296 299anti-parallel
Strand 6
A
328 335anti-parallel
Strand 7
A
338 340anti-parallel
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There are 10 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
253 257first strand
Strand 2
A
275 280anti-parallel
Strand 3
A
315 319anti-parallel
Strand 4
A
302 307anti-parallel
Strand 5
A
296 299anti-parallel
Strand 6
A
328 335anti-parallel
Strand 7
A
245 250anti-parallel
Strand 8
A
8 13anti-parallel
Strand 9
A
366 370parallel
Strand 10
A
373 378anti-parallel
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There are 8 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
198 201first strand
Strand 2
A
158 165parallel
Strand 3
A
124 129parallel
Strand 4
A
101 105parallel
Strand 5
A
82 84parallel
Strand 6
A
61 64parallel
Strand 7
A
33 37parallel
Strand 8
A
217 220parallel
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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
262 263first strand
Strand 2
A
269 270anti-parallel
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There are 7 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
253 257first strand
Strand 2
B
275 280anti-parallel
Strand 3
B
315 318anti-parallel
Strand 4
B
302 307anti-parallel
Strand 5
B
296 299anti-parallel
Strand 6
B
328 335anti-parallel
Strand 7
B
338 340anti-parallel
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There are 10 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
253 257first strand
Strand 2
B
275 280anti-parallel
Strand 3
B
315 318anti-parallel
Strand 4
B
302 307anti-parallel
Strand 5
B
296 299anti-parallel
Strand 6
B
328 335anti-parallel
Strand 7
B
245 250anti-parallel
Strand 8
B
8 13anti-parallel
Strand 9
B
366 370parallel
Strand 10
B
373 378anti-parallel
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There are 8 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
198 200first strand
Strand 2
B
158 164parallel
Strand 3
B
124 129parallel
Strand 4
B
101 105parallel
Strand 5
B
82 84parallel
Strand 6
B
61 64parallel
Strand 7
B
33 37parallel
Strand 8
B
217 220parallel
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There are 7 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
253 257first strand
Strand 2
C
275 280anti-parallel
Strand 3
C
315 318anti-parallel
Strand 4
C
302 307anti-parallel
Strand 5
C
296 299anti-parallel
Strand 6
C
328 335anti-parallel
Strand 7
C
338 340anti-parallel
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There are 10 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
253 257first strand
Strand 2
C
275 280anti-parallel
Strand 3
C
315 318anti-parallel
Strand 4
C
302 307anti-parallel
Strand 5
C
296 299anti-parallel
Strand 6
C
328 335anti-parallel
Strand 7
C
245 250anti-parallel
Strand 8
C
8 13anti-parallel
Strand 9
C
366 370parallel
Strand 10
C
373 378anti-parallel
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There are 8 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
198 201first strand
Strand 2
C
158 165parallel
Strand 3
C
124 129parallel
Strand 4
C
101 105parallel
Strand 5
C
82 84parallel
Strand 6
C
61 64parallel
Strand 7
C
33 37parallel
Strand 8
C
217 220parallel
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