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


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 2QKS entry

There are 2 chains in PDB entry 2QKS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 3MET 311
B
 ARG 5LEU 318
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 2QKS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
30 40Right-handed alpha
Helix 2
2
A
41 66Right-handed alpha
Helix 3
3
A
78 91Right-handed alpha
Helix 4
4
A
102 133Right-handed alpha
Helix 5
5
A
136 139Right-handed 310
Helix 6
6
A
231 236Right-handed alpha
Helix 7
7
A
289 292Right-handed 310
Helix 8
8
A
304 310Right-handed alpha
Helix 9
9
B
32 40Right-handed alpha
Helix 10
10
B
41 66Right-handed alpha
Helix 11
11
B
78 91Right-handed alpha
Helix 12
12
B
102 132Right-handed alpha
Helix 13
13
B
231 236Right-handed alpha
Helix 14
14
B
289 292Right-handed 310
Helix 15
15
B
304 314Right-handed alpha
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There are 12 sheets in PDB entry 2QKS. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 3 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
141 143first strand
Strand 2
A
155 164anti-parallel
Strand 3
A
215 220anti-parallel
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There are 4 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
141 143first strand
Strand 2
A
155 164anti-parallel
Strand 3
A
147 152anti-parallel
Strand 4
A
268 270parallel
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There are 4 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
190 198first strand
Strand 2
A
170 184anti-parallel
Strand 3
A
241 250anti-parallel
Strand 4
A
255 264anti-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
A
272 274first strand
Strand 2
A
295 297anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
278 280first strand
Strand 2
A
285 287anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
141 143first strand
Strand 2
B
155 164anti-parallel
Strand 3
B
215 220anti-parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
141 143first strand
Strand 2
B
155 164anti-parallel
Strand 3
B
147 152anti-parallel
Strand 4
B
268 270parallel
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There are 3 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
195 198first strand
Strand 2
B
172 180anti-parallel
Strand 3
B
208 210anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
195 198first strand
Strand 2
B
172 180anti-parallel
Strand 3
B
241 249anti-parallel
Strand 4
B
256 264anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
183 184first strand
Strand 2
B
190 191anti-parallel
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There are 2 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
272 274first strand
Strand 2
B
295 297anti-parallel
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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
278 280first strand
Strand 2
B
285 287anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il