Analysis of interatomic Contacts of Structural Units in PDB entry:
3PSQ


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 3PSQ entry

There are 2 chains in PDB entry 3PSQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 52GLU 237
B
 LYS 52GLU 237
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 10 helices in PDB entry 3PSQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
52 64Right-handed alpha
Helix 2
2
A
126 134Right-handed alpha
Helix 3
3
A
136 141Right-handed 310
Helix 4
4
A
142 149Right-handed alpha
Helix 5
5
A
181 187Right-handed alpha
Helix 6
6
A
189 199Right-handed alpha
Helix 7
7
B
52 64Right-handed alpha
Helix 8
8
B
136 141Right-handed 310
Helix 9
9
B
142 149Right-handed alpha
Helix 10
10
B
189 200Right-handed alpha
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There are 2 sheets in PDB entry 3PSQ. Click on sheet of interest to get list of strands forming it: A, B,

There are 10 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
201 204first strand
Strand 2
A
161 173anti-parallel
Strand 3
A
228 236anti-parallel
Strand 4
A
215 221anti-parallel
Strand 5
A
120 124parallel
Strand 6
A
107 108anti-parallel
Strand 7
A
79 84parallel
Strand 8
A
67 72anti-parallel
Strand 9
A
151 156anti-parallel
Strand 10
A
161 173anti-parallel
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There are 10 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
201 204first strand
Strand 2
B
161 172anti-parallel
Strand 3
B
229 236anti-parallel
Strand 4
B
215 219anti-parallel
Strand 5
B
120 124parallel
Strand 6
B
106 108anti-parallel
Strand 7
B
79 84parallel
Strand 8
B
67 72anti-parallel
Strand 9
B
151 156anti-parallel
Strand 10
B
161 172anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il