Analysis of interatomic Contacts of Structural Units in PDB entry:
4Q20


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 4Q20 entry

There are 2 chains in PDB entry 4Q20 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 526GLN 758
B
 ALA 526GLU 756
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 13 helices in PDB entry 4Q20. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
526 568Right-handed alpha
Helix 2
2
A
574 605Right-handed alpha
Helix 3
3
A
617 635Right-handed alpha
Helix 4
4
A
644 647Right-handed 310
Helix 5
5
A
653 672Right-handed alpha
Helix 6
6
A
701 706Right-handed alpha
Helix 7
7
A
722 734Right-handed alpha
Helix 8
8
B
527 568Right-handed alpha
Helix 9
9
B
574 605Right-handed alpha
Helix 10
10
B
617 635Right-handed alpha
Helix 11
11
B
653 672Right-handed alpha
Helix 12
12
B
701 706Right-handed alpha
Helix 13
13
B
722 734Right-handed alpha
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There are 4 sheets in PDB entry 4Q20. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 2 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
613 616first strand
Strand 2
A
649 652anti-parallel
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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
638 642first strand
Strand 2
A
677 684parallel
Strand 3
A
688 695anti-parallel
Strand 4
A
748 755anti-parallel
Strand 5
A
737 742anti-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
B
613 616first strand
Strand 2
B
649 652anti-parallel
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There are 5 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
638 643first strand
Strand 2
B
677 684parallel
Strand 3
B
688 695anti-parallel
Strand 4
B
747 755anti-parallel
Strand 5
B
737 743anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il