Analysis of interatomic Contacts of Structural Units in PDB entry:
4QUN


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 4QUN entry

There are 2 chains in PDB entry 4QUN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 626GLN 908
B
 ASN 626GLN 908
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 21 helices in PDB entry 4QUN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
629 644Right-handed alpha
Helix 2
2
A
644 653Right-handed alpha
Helix 3
3
A
663 667Right-handed 310
Helix 4
4
A
670 674Right-handed 310
Helix 5
5
A
706 709Right-handed 310
Helix 6
6
A
721 723Right-handed 310
Helix 7
7
A
724 736Right-handed alpha
Helix 8
8
A
817 832Right-handed alpha
Helix 9
9
A
846 864Right-handed alpha
Helix 10
10
A
869 879Right-handed alpha
Helix 11
11
A
887 908Right-handed alpha
Helix 12
12
B
629 644Right-handed alpha
Helix 13
13
B
644 653Right-handed alpha
Helix 14
14
B
663 674Right-handed 310
Helix 15
15
B
706 709Right-handed 310
Helix 16
16
B
721 723Right-handed 310
Helix 17
17
B
724 735Right-handed alpha
Helix 18
18
B
817 832Right-handed alpha
Helix 19
19
B
846 863Right-handed alpha
Helix 20
20
B
869 879Right-handed alpha
Helix 21
21
B
887 908Right-handed alpha
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There are 4 sheets in PDB entry 4QUN. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 9 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
686 688first strand
Strand 2
A
695 705anti-parallel
Strand 3
A
710 717anti-parallel
Strand 4
A
838 841parallel
Strand 5
A
739 742parallel
Strand 6
A
798 806parallel
Strand 7
A
783 792anti-parallel
Strand 8
A
770 779anti-parallel
Strand 9
A
764 767anti-parallel
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There are 2 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
747 748first strand
Strand 2
A
751 752anti-parallel
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There are 9 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
686 688first strand
Strand 2
B
695 705anti-parallel
Strand 3
B
710 717anti-parallel
Strand 4
B
838 841parallel
Strand 5
B
739 742parallel
Strand 6
B
798 806parallel
Strand 7
B
783 792anti-parallel
Strand 8
B
770 779anti-parallel
Strand 9
B
764 767anti-parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
747 748first strand
Strand 2
B
751 752anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il