Analysis of interatomic Contacts of Structural Units in PDB entry:
3A26


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 3A26 entry

There is 1 chain in PDB entry 3A26 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 6SER 278
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 13 helices in PDB entry 3A26. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
6 15Right-handed alpha
Helix 2
2
A
19 24Right-handed alpha
Helix 3
3
A
42 47Right-handed 310
Helix 4
4
A
48 61Right-handed alpha
Helix 5
5
A
109 111Right-handed 310
Helix 6
6
A
112 120Right-handed alpha
Helix 7
7
A
139 147Right-handed alpha
Helix 8
8
A
157 171Right-handed alpha
Helix 9
9
A
183 187Right-handed 310
Helix 10
10
A
203 206Right-handed 310
Helix 11
11
A
207 214Right-handed alpha
Helix 12
12
A
228 232Right-handed 310
Helix 13
13
A
236 246Right-handed alpha
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There are 3 sheets in PDB entry 3A26. Click on sheet of interest to get list of strands forming it: A, B, C,

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
31 33first strand
Strand 2
A
36 39anti-parallel
Strand 3
A
64 67parallel
Strand 4
A
82 84anti-parallel
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There are 2 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
89 94first strand
Strand 2
A
97 102anti-parallel
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There are 7 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
177 180first strand
Strand 2
A
150 154parallel
Strand 3
A
128 131parallel
Strand 4
A
193 198parallel
Strand 5
A
215 225parallel
Strand 6
A
269 276anti-parallel
Strand 7
A
250 258anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il