Analysis of interatomic Contacts of Structural Units in PDB entry:
4ECB


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 4ECB entry

There are 2 chains in PDB entry 4ECB (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 2PRO 226
B
 SER 2PRO 226
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 16 helices in PDB entry 4ECB. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
11 13Right-handed 310
Helix 2
2
A
14 24Right-handed alpha
Helix 3
3
A
77 89Right-handed alpha
Helix 4
4
A
95 121Right-handed alpha
Helix 5
5
A
124 148Right-handed alpha
Helix 6
6
A
159 176Right-handed alpha
Helix 7
7
A
183 196Right-handed alpha
Helix 8
8
A
196 205Right-handed alpha
Helix 9
9
B
11 13Right-handed 310
Helix 10
10
B
14 24Right-handed alpha
Helix 11
11
B
77 89Right-handed alpha
Helix 12
12
B
95 120Right-handed alpha
Helix 13
13
B
124 147Right-handed alpha
Helix 14
14
B
159 176Right-handed alpha
Helix 15
15
B
183 196Right-handed alpha
Helix 16
16
B
196 204Right-handed alpha
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There are 2 sheets in PDB entry 4ECB. Click on sheet of interest to get list of strands forming it: A, B,

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
29 33first strand
Strand 2
A
4 8parallel
Strand 3
A
67 69anti-parallel
Strand 4
A
74 76anti-parallel
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There are 4 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
29 33first strand
Strand 2
B
4 8parallel
Strand 3
B
67 69anti-parallel
Strand 4
B
74 76anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il