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


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 2QOS entry

There are 2 chains in PDB entry 2QOS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
C
 ALA 10ARG 182
A
 LEU 158TYR 168
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 7 helices in PDB entry 2QOS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
C
11 16Right-handed 310
Helix 2
2
C
23 28Right-handed alpha
Helix 3
3
C
40 47Right-handed alpha
Helix 4
4
C
48 50Right-handed 310
Helix 5
5
C
138 152Right-handed alpha
Helix 6
6
C
155 157Right-handed 310
Helix 7
7
C
172 174Right-handed 310
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There are 3 sheets in PDB entry 2QOS. Click on sheet of interest to get list of strands forming it: A, B, C,

There are 6 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
159 161first strand
Strand 2
C
29 37anti-parallel
Strand 3
C
54 60anti-parallel
Strand 4
C
63 72anti-parallel
Strand 5
C
75 85anti-parallel
Strand 6
C
176 178parallel
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There are 8 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
159 161first strand
Strand 2
C
29 37anti-parallel
Strand 3
C
125 132anti-parallel
Strand 4
C
115 122anti-parallel
Strand 5
C
103 110anti-parallel
Strand 6
C
91 94anti-parallel
Strand 7
C
75 85anti-parallel
Strand 8
C
176 178parallel
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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
159 161first strand
Strand 2
A
166 168anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il