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


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 2AIO entry

There is 1 chain in PDB entry 2AIO (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 23GLY 311
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 11 helices in PDB entry 2AIO. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
35 40Right-handed 310
Helix 2
2
A
87 90Right-handed 310
Helix 3
3
A
91 102Right-handed alpha
Helix 4
4
A
105 107Right-handed 310
Helix 5
5
A
118 123Right-handed alpha
Helix 6
6
A
124 132Right-handed alpha
Helix 7
7
A
139 148Right-handed alpha
Helix 8
8
A
238 252Right-handed alpha
Helix 9
9
A
263 268Right-handed 310
Helix 10
10
A
270 277Right-handed 310
Helix 11
11
A
289 311Right-handed alpha
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There are 2 sheets in PDB entry 2AIO. Click on sheet of interest to get list of strands forming it: A, B,

There are 7 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
45 49first strand
Strand 2
A
52 54anti-parallel
Strand 3
A
71 75anti-parallel
Strand 4
A
79 83anti-parallel
Strand 5
A
109 113parallel
Strand 6
A
135 138parallel
Strand 7
A
172 173parallel
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There are 5 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
179 182first strand
Strand 2
A
185 191anti-parallel
Strand 3
A
201 209anti-parallel
Strand 4
A
212 218anti-parallel
Strand 5
A
258 260parallel
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