Analysis of interatomic Contacts of Structural Units in PDB entry:
4QN9


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 4QN9 entry

There are 2 chains in PDB entry 4QN9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 57ASN 388
B
 SER 57ASP 389
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 14 helices in PDB entry 4QN9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
96 104Right-handed alpha
Helix 2
2
A
192 203Right-handed alpha
Helix 3
3
A
215 222Right-handed alpha
Helix 4
4
A
290 298Right-handed alpha
Helix 5
5
A
313 318Right-handed alpha
Helix 6
6
A
323 334Right-handed alpha
Helix 7
7
A
355 369Right-handed alpha
Helix 8
8
B
96 104Right-handed alpha
Helix 9
9
B
192 203Right-handed alpha
Helix 10
10
B
215 222Right-handed alpha
Helix 11
11
B
290 298Right-handed alpha
Helix 12
12
B
313 318Right-handed alpha
Helix 13
13
B
323 335Right-handed alpha
Helix 14
14
B
355 368Right-handed alpha
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There are 4 sheets in PDB entry 4QN9. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 7 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
227 230first strand
Strand 2
A
208 212parallel
Strand 3
A
179 182parallel
Strand 4
A
142 146parallel
Strand 5
A
135 139anti-parallel
Strand 6
A
126 129anti-parallel
Strand 7
A
383 385anti-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
235 238first strand
Strand 2
A
241 249anti-parallel
Strand 3
A
269 273anti-parallel
Strand 4
A
278 281anti-parallel
Strand 5
A
303 307parallel
Strand 6
A
339 342parallel
Strand 7
A
375 376parallel
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There are 7 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
227 230first strand
Strand 2
B
208 212parallel
Strand 3
B
179 182parallel
Strand 4
B
142 146parallel
Strand 5
B
135 139anti-parallel
Strand 6
B
126 129anti-parallel
Strand 7
B
383 385anti-parallel
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There are 7 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
235 238first strand
Strand 2
B
241 249anti-parallel
Strand 3
B
269 273anti-parallel
Strand 4
B
278 281anti-parallel
Strand 5
B
303 307parallel
Strand 6
B
339 342parallel
Strand 7
B
375 376parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il