Analysis of interatomic Contacts of Structural Units in PDB entry:
1IL1


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 1IL1 entry

There are 2 chains in PDB entry 1IL1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 3ARG 221
B
 ASP 1CYS 219
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 8 helices in PDB entry 1IL1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
28 32Right-handed 310
Helix 2
2
A
62 65Right-handed 310
Helix 3
3
A
87 91Right-handed 310
Helix 4
4
A
164 166Right-handed 310
Helix 5
5
A
208 211Right-handed 310
Helix 6
6
B
85 89Right-handed 310
Helix 7
7
B
126 131Right-handed alpha
Helix 8
8
B
188 194Right-handed alpha
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There are 12 sheets in PDB entry 1IL1. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 4 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
5 6first strand
Strand 2
A
18 23anti-parallel
Strand 3
A
78 83anti-parallel
Strand 4
A
68 73anti-parallel
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There are 5 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
58 60first strand
Strand 2
A
45 51anti-parallel
Strand 3
A
33 39anti-parallel
Strand 4
A
92 100anti-parallel
Strand 5
A
108 111anti-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
58 60first strand
Strand 2
A
45 51anti-parallel
Strand 3
A
33 39anti-parallel
Strand 4
A
92 100anti-parallel
Strand 5
A
115 119anti-parallel
Strand 6
A
10 12parallel
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There are 4 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
128 132first strand
Strand 2
A
143 153anti-parallel
Strand 3
A
182 192anti-parallel
Strand 4
A
171 173anti-parallel
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There are 4 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
128 132first strand
Strand 2
A
143 153anti-parallel
Strand 3
A
182 192anti-parallel
Strand 4
A
177 179anti-parallel
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There are 3 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
159 162first strand
Strand 2
A
201 207anti-parallel
Strand 3
A
212 218anti-parallel
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There are 4 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
4 7first strand
Strand 2
B
19 25anti-parallel
Strand 3
B
76 81anti-parallel
Strand 4
B
68 73anti-parallel
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There are 6 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
10 14first strand
Strand 2
B
107 112parallel
Strand 3
B
90 96anti-parallel
Strand 4
B
39 44anti-parallel
Strand 5
B
51 55anti-parallel
Strand 6
B
59 60anti-parallel
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There are 4 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
10 14first strand
Strand 2
B
107 112parallel
Strand 3
B
90 96anti-parallel
Strand 4
B
102 103anti-parallel
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There are 2 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
30 31first strand
Strand 2
B
36 37anti-parallel
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There are 4 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
119 123first strand
Strand 2
B
134 144anti-parallel
Strand 3
B
178 187anti-parallel
Strand 4
B
164 168anti-parallel
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There are 4 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
158 160first strand
Strand 2
B
150 155anti-parallel
Strand 3
B
196 202anti-parallel
Strand 4
B
210 215anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il