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


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 2PQS entry

There are 4 chains in PDB entry 2PQS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 0CYS 158
B
 VAL 0CYS 158
C
 VAL 0CYS 158
D
 VAL 0CYS 158
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 12 helices in PDB entry 2PQS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
13 15Right-handed 310
Helix 2
2
A
24 32Right-handed 310
Helix 3
3
A
34 38Right-handed 310
Helix 4
4
B
13 15Right-handed 310
Helix 5
5
B
24 32Right-handed 310
Helix 6
6
B
34 38Right-handed 310
Helix 7
7
C
13 15Right-handed 310
Helix 8
8
C
28 32Right-handed 310
Helix 9
9
C
34 38Right-handed 310
Helix 10
10
D
13 15Right-handed 310
Helix 11
11
D
24 32Right-handed 310
Helix 12
12
D
34 38Right-handed 310
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There are 16 sheets in PDB entry 2PQS. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P,

There are 4 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
3 4first strand
Strand 2
A
150 158anti-parallel
Strand 3
A
60 76anti-parallel
Strand 4
A
17 19anti-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
17 19first strand
Strand 2
A
60 76anti-parallel
Strand 3
A
125 146anti-parallel
Strand 4
A
83 95anti-parallel
Strand 5
A
78 80anti-parallel
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There are 5 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
150 158first strand
Strand 2
A
60 76anti-parallel
Strand 3
A
125 146anti-parallel
Strand 4
A
83 95anti-parallel
Strand 5
A
115 116anti-parallel
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There are 6 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
49 50first strand
Strand 2
A
150 158anti-parallel
Strand 3
A
60 76anti-parallel
Strand 4
A
125 146anti-parallel
Strand 5
A
83 95anti-parallel
Strand 6
A
102 103anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
3 4first strand
Strand 2
B
150 158anti-parallel
Strand 3
B
60 76anti-parallel
Strand 4
B
17 19anti-parallel
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There are 5 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
17 19first strand
Strand 2
B
60 76anti-parallel
Strand 3
B
125 146anti-parallel
Strand 4
B
83 95anti-parallel
Strand 5
B
78 80anti-parallel
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There are 5 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
150 158first strand
Strand 2
B
60 76anti-parallel
Strand 3
B
125 146anti-parallel
Strand 4
B
83 95anti-parallel
Strand 5
B
115 116anti-parallel
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There are 6 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
49 50first strand
Strand 2
B
150 158anti-parallel
Strand 3
B
60 76anti-parallel
Strand 4
B
125 146anti-parallel
Strand 5
B
83 95anti-parallel
Strand 6
B
102 103anti-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
C
3 4first strand
Strand 2
C
150 158anti-parallel
Strand 3
C
60 76anti-parallel
Strand 4
C
17 19anti-parallel
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There are 5 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
17 19first strand
Strand 2
C
60 76anti-parallel
Strand 3
C
125 146anti-parallel
Strand 4
C
83 95anti-parallel
Strand 5
C
78 80anti-parallel
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There are 5 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
150 158first strand
Strand 2
C
60 76anti-parallel
Strand 3
C
125 146anti-parallel
Strand 4
C
83 95anti-parallel
Strand 5
C
115 116anti-parallel
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There are 6 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
49 50first strand
Strand 2
C
150 158anti-parallel
Strand 3
C
60 76anti-parallel
Strand 4
C
125 146anti-parallel
Strand 5
C
83 95anti-parallel
Strand 6
C
102 103anti-parallel
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There are 4 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
3 4first strand
Strand 2
D
150 158anti-parallel
Strand 3
D
60 76anti-parallel
Strand 4
D
17 19anti-parallel
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There are 5 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
17 19first strand
Strand 2
D
60 76anti-parallel
Strand 3
D
125 146anti-parallel
Strand 4
D
83 95anti-parallel
Strand 5
D
78 80anti-parallel
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There are 5 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
150 158first strand
Strand 2
D
60 76anti-parallel
Strand 3
D
125 146anti-parallel
Strand 4
D
83 95anti-parallel
Strand 5
D
115 116anti-parallel
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There are 6 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
49 50first strand
Strand 2
D
150 158anti-parallel
Strand 3
D
60 76anti-parallel
Strand 4
D
125 146anti-parallel
Strand 5
D
83 95anti-parallel
Strand 6
D
102 103anti-parallel
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