Analysis of interatomic Contacts of Structural Units in PDB entry:
3S4O


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 3S4O entry

There are 2 chains in PDB entry 3S4O (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 1ARG 163
B
 MSE 1ARG 163
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 3S4O. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
28 30Right-handed 310
Helix 2
2
A
31 41Right-handed alpha
Helix 3
3
A
57 62Right-handed alpha
Helix 4
4
A
79 100Right-handed alpha
Helix 5
5
A
117 130Right-handed alpha
Helix 6
6
A
134 146Right-handed alpha
Helix 7
7
A
151 161Right-handed alpha
Helix 8
8
B
28 30Right-handed 310
Helix 9
9
B
31 41Right-handed alpha
Helix 10
10
B
57 62Right-handed alpha
Helix 11
11
B
79 100Right-handed alpha
Helix 12
12
B
118 130Right-handed alpha
Helix 13
13
B
134 146Right-handed alpha
Helix 14
14
B
151 161Right-handed alpha
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There are 2 sheets in PDB entry 3S4O. Click on sheet of interest to get list of strands forming it: A, B,

There are 5 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 9first strand
Strand 2
A
17 24anti-parallel
Strand 3
A
107 111parallel
Strand 4
A
44 49parallel
Strand 5
A
66 69parallel
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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
B
4 9first strand
Strand 2
B
17 24anti-parallel
Strand 3
B
107 111parallel
Strand 4
B
44 49parallel
Strand 5
B
66 69parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il