Analysis of interatomic Contacts of Structural Units in PDB entry:
2IWR


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 2IWR entry

There are 3 chains in PDB entry 2IWR (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 64LEU 199
A
 ALA 201THR 211
A
 ALA 213LEU 239
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 6 helices in PDB entry 2IWR. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
78 81Right-handed 310
Helix 2
2
A
82 93Right-handed alpha
Helix 3
3
A
129 136Right-handed alpha
Helix 4
4
A
147 166Right-handed alpha
Helix 5
5
A
192 204Right-handed alpha
Helix 6
6
A
218 239Right-handed alpha
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There is 1 sheet ( AA) in PDB entry 2IWR.

There are 6 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
105 112first strand
Strand 2
A
115 123anti-parallel
Strand 3
A
70 76parallel
Strand 4
A
138 144parallel
Strand 5
A
173 179parallel
Strand 6
A
206 211parallel
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