Analysis of interatomic Contacts of Structural Units in PDB entry:
3QPI


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 3QPI entry

There are 2 chains in PDB entry 3QPI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE 3ALA 182
B
 PHE 3ARG 181
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 3QPI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
63 74Right-handed alpha
Helix 2
2
A
93 99Right-handed alpha
Helix 3
3
A
100 109Right-handed alpha
Helix 4
4
A
118 122Right-handed 310
Helix 5
5
A
133 136Right-handed 310
Helix 6
6
A
148 150Right-handed 310
Helix 7
7
A
151 164Right-handed alpha
Helix 8
8
A
165 169Right-handed 310
Helix 9
9
B
63 74Right-handed alpha
Helix 10
10
B
93 99Right-handed alpha
Helix 11
11
B
100 109Right-handed alpha
Helix 12
12
B
115 122Right-handed 310
Helix 13
13
B
148 150Right-handed 310
Helix 14
14
B
151 164Right-handed alpha
Helix 15
15
B
165 169Right-handed 310
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There are 2 sheets in PDB entry 3QPI. Click on sheet of interest to get list of strands forming it: A, B,

There are 8 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
50 54first strand
Strand 2
A
4 9anti-parallel
Strand 3
A
32 37anti-parallel
Strand 4
A
14 23anti-parallel
Strand 5
A
171 181anti-parallel
Strand 6
A
84 92anti-parallel
Strand 7
A
141 147anti-parallel
Strand 8
A
126 131anti-parallel
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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
B
50 54first strand
Strand 2
B
4 9anti-parallel
Strand 3
B
32 37anti-parallel
Strand 4
B
14 23anti-parallel
Strand 5
B
171 180anti-parallel
Strand 6
B
84 92anti-parallel
Strand 7
B
141 147anti-parallel
Strand 8
B
126 131anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il