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


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 1IUQ entry

There is 1 chain in PDB entry 1IUQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2TRP 368
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 20 helices in PDB entry 1IUQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
6 11Right-handed 310
Helix 2
2
A
13 27Right-handed alpha
Helix 3
3
A
31 52Right-handed alpha
Helix 4
4
A
56 78Right-handed alpha
Helix 5
5
A
94 104Right-handed alpha
Helix 6
6
A
105 107Right-handed 310
Helix 7
7
A
108 112Right-handed 310
Helix 8
8
A
116 129Right-handed alpha
Helix 9
9
A
143 153Right-handed alpha
Helix 10
10
A
156 163Right-handed alpha
Helix 11
11
A
169 174Right-handed alpha
Helix 12
12
A
177 183Right-handed alpha
Helix 13
13
A
191 195Right-handed 310
Helix 14
14
A
198 200Right-handed 310
Helix 15
15
A
201 223Right-handed alpha
Helix 16
16
A
251 264Right-handed alpha
Helix 17
17
A
278 282Right-handed 310
Helix 18
18
A
312 319Right-handed alpha
Helix 19
19
A
322 349Right-handed alpha
Helix 20
20
A
353 358Right-handed 310
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There is 1 sheet ( A) in PDB entry 1IUQ.

There are 9 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
85 86first strand
Strand 2
A
185 188anti-parallel
Strand 3
A
164 167parallel
Strand 4
A
226 229parallel
Strand 5
A
132 137parallel
Strand 6
A
269 277parallel
Strand 7
A
304 307anti-parallel
Strand 8
A
113 115parallel
Strand 9
A
364 365anti-parallel
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