Analysis of interatomic Contacts of Structural Units in PDB entry:
1IU3


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 1IU3 entry

There are 6 chains in PDB entry 1IU3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 A 201 A 210
B
 T 211 T 220
D
 A 201 A 210
E
 T 211 T 220
C
 PRO 2ILE 116
F
 PRO 2ILE 116
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 14 helices in PDB entry 1IU3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
C
4 13Right-handed alpha
Helix 2
2
C
13 19Right-handed alpha
Helix 3
3
C
21 37Right-handed alpha
Helix 4
4
C
37 47Right-handed alpha
Helix 5
5
C
59 66Right-handed alpha
Helix 6
6
C
87 102Right-handed alpha
Helix 7
7
C
105 116Right-handed alpha
Helix 8
8
F
4 13Right-handed alpha
Helix 9
9
F
13 19Right-handed alpha
Helix 10
10
F
21 37Right-handed alpha
Helix 11
11
F
37 47Right-handed alpha
Helix 12
12
F
59 66Right-handed alpha
Helix 13
13
F
87 101Right-handed alpha
Helix 14
14
F
105 116Right-handed alpha
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There are 2 sheets in PDB entry 1IU3. Click on sheet of interest to get list of strands forming it: A, B,

There are 2 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
56 57first strand
Strand 2
C
81 82anti-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
F
56 57first strand
Strand 2
F
81 82anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il