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


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 1ONS entry

There is 1 chain in PDB entry 1ONS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 4ALA 281
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 15 helices in PDB entry 1ONS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
21 29Right-handed alpha
Helix 2
2
A
73 87Right-handed alpha
Helix 3
3
A
104 108Right-handed 310
Helix 4
4
A
114 121Right-handed alpha
Helix 5
5
A
122 128Right-handed alpha
Helix 6
6
A
132 138Right-handed alpha
Helix 7
7
A
153 158Right-handed 310
Helix 8
8
A
159 162Right-handed 310
Helix 9
9
A
163 176Right-handed alpha
Helix 10
10
A
185 194Right-handed 310
Helix 11
11
A
209 214Right-handed alpha
Helix 12
12
A
215 220Right-handed 310
Helix 13
13
A
229 237Right-handed alpha
Helix 14
14
A
261 263Right-handed 310
Helix 15
15
A
264 280Right-handed alpha
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There are 3 sheets in PDB entry 1ONS. Click on sheet of interest to get list of strands forming it: A, B, C,

There are 4 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
9 10first strand
Strand 2
A
17 19anti-parallel
Strand 3
A
67 69parallel
Strand 4
A
59 61anti-parallel
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There are 7 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
130 131first strand
Strand 2
A
91 95parallel
Strand 3
A
49 53parallel
Strand 4
A
145 150parallel
Strand 5
A
179 183parallel
Strand 6
A
256 259parallel
Strand 7
A
250 253anti-parallel
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There are 2 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
204 205first strand
Strand 2
A
240 241parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il