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


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 1IQW entry

There are 2 chains in PDB entry 1IQW (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
L
 ASP 1ARG 215
H
 GLN 1ARG 221
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 7 helices in PDB entry 1IQW. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
L
83 87Right-handed 310
Helix 2
2
L
125 131Right-handed alpha
Helix 3
3
L
187 191Right-handed alpha
Helix 4
4
H
28 32Right-handed 310
Helix 5
5
H
62 65Right-handed 310
Helix 6
6
H
87 91Right-handed 310
Helix 7
7
H
164 166Right-handed 310
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There are 11 sheets in PDB entry 1IQW. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K,

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
L
4 7first strand
Strand 2
L
19 25anti-parallel
Strand 3
L
74 79anti-parallel
Strand 4
L
66 71anti-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
L
10 14first strand
Strand 2
L
106 111parallel
Strand 3
L
88 94anti-parallel
Strand 4
L
37 42first strand
Strand 5
L
49 53anti-parallel
Strand 6
L
57 58anti-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
L
10 14first strand
Strand 2
L
106 111parallel
Strand 3
L
88 94anti-parallel
Strand 4
L
101 102first strand
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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
L
30 31first strand
Strand 2
L
34 35anti-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
L
118 122first strand
Strand 2
L
133 143anti-parallel
Strand 3
L
177 186anti-parallel
Strand 4
L
163 167anti-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
L
157 159first strand
Strand 2
L
149 154anti-parallel
Strand 3
L
195 201anti-parallel
Strand 4
L
209 214anti-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
H
3 5first strand
Strand 2
H
18 25anti-parallel
Strand 3
H
78 83anti-parallel
Strand 4
H
68 73anti-parallel
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There are 5 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
105 111first strand
Strand 2
H
92 102anti-parallel
Strand 3
H
34 40first strand
Strand 4
H
44 52anti-parallel
Strand 5
H
57 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
H
105 111first strand
Strand 2
H
92 102anti-parallel
Strand 3
H
115 119first strand
Strand 4
H
9 12parallel
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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
H
128 132first strand
Strand 2
H
143 153anti-parallel
Strand 3
H
183 192anti-parallel
Strand 4
H
171 178anti-parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
159 162first strand
Strand 2
H
202 207anti-parallel
Strand 3
H
212 217anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il