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


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 3SAO entry

There are 2 chains in PDB entry 3SAO (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 6ARG 160
B
 SER 6ASP 154
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 8 helices in PDB entry 3SAO. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
21 28Right-handed alpha
Helix 2
2
A
29 31Right-handed 310
Helix 3
3
A
121 134Right-handed alpha
Helix 4
4
A
138 140Right-handed 310
Helix 5
5
B
21 28Right-handed alpha
Helix 6
6
B
29 31Right-handed 310
Helix 7
7
B
121 135Right-handed alpha
Helix 8
8
B
138 140Right-handed 310
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There are 2 sheets in PDB entry 3SAO. 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
142 144first strand
Strand 2
A
10 18anti-parallel
Strand 3
A
106 115anti-parallel
Strand 4
A
94 103anti-parallel
Strand 5
A
82 89anti-parallel
Strand 6
A
74 77anti-parallel
Strand 7
A
59 66anti-parallel
Strand 8
A
45 52anti-parallel
Strand 9
A
34 41anti-parallel
Strand 10
A
10 18anti-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
142 144first strand
Strand 2
B
10 18anti-parallel
Strand 3
B
106 115anti-parallel
Strand 4
B
94 103anti-parallel
Strand 5
B
82 89anti-parallel
Strand 6
B
74 77anti-parallel
Strand 7
B
57 67anti-parallel
Strand 8
B
45 54anti-parallel
Strand 9
B
34 42anti-parallel
Strand 10
B
10 18anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il