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


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 4IUS entry

There is 1 chain in PDB entry 4IUS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 0ARG 258
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 12 helices in PDB entry 4IUS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 17Right-handed alpha
Helix 2
2
A
36 40Right-handed 310
Helix 3
3
A
52 54Right-handed 310
Helix 4
4
A
55 69Right-handed alpha
Helix 5
5
A
85 93Right-handed alpha
Helix 6
6
A
107 111Right-handed 310
Helix 7
7
A
127 139Right-handed alpha
Helix 8
8
A
154 156Right-handed 310
Helix 9
9
A
192 195Right-handed 310
Helix 10
10
A
198 214Right-handed alpha
Helix 11
11
A
232 237Right-handed 310
Helix 12
12
A
253 257Right-handed 310
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There are 3 sheets in PDB entry 4IUS. Click on sheet of interest to get list of strands forming it: A, B, C,

There are 3 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
20 24first strand
Strand 2
A
27 31anti-parallel
Strand 3
A
41 44anti-parallel
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There are 3 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
75 79first strand
Strand 2
A
239 248anti-parallel
Strand 3
A
96 99anti-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
75 79first strand
Strand 2
A
239 248anti-parallel
Strand 3
A
102 106anti-parallel
Strand 4
A
219 222anti-parallel
Strand 5
A
182 190parallel
Strand 6
A
168 176anti-parallel
Strand 7
A
158 165anti-parallel
Strand 8
A
120 124anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il