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


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 4EHC entry

There is 1 chain in PDB entry 4EHC (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY -21THR 271
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 7 helices in PDB entry 4EHC. 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 -16Right-handed 310
Helix 2
2
A
46 51Right-handed 310
Helix 3
3
A
102 107Right-handed alpha
Helix 4
4
A
129 134Right-handed 310
Helix 5
5
A
135 139Right-handed 310
Helix 6
6
A
199 203Right-handed alpha
Helix 7
7
A
250 256Right-handed alpha
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There are 5 sheets in PDB entry 4EHC. Click on sheet of interest to get list of strands forming it: A, B, C, D, E,

There are 6 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
7 10first strand
Strand 2
A
150 153anti-parallel
Strand 3
A
141 145anti-parallel
Strand 4
A
258 261anti-parallel
Strand 5
A
162 165parallel
Strand 6
A
268 270anti-parallel
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There are 8 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
12 14first strand
Strand 2
A
18 25anti-parallel
Strand 3
A
31 36anti-parallel
Strand 4
A
114 118parallel
Strand 5
A
40 44anti-parallel
Strand 6
A
90 99parallel
Strand 7
A
68 77anti-parallel
Strand 8
A
58 64anti-parallel
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There are 3 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
12 14first strand
Strand 2
A
18 25anti-parallel
Strand 3
A
79 80anti-parallel
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There are 5 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
226 231first strand
Strand 2
A
215 220anti-parallel
Strand 3
A
169 176anti-parallel
Strand 4
A
182 187anti-parallel
Strand 5
A
246 247parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
196 198first strand
Strand 2
A
239 241parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il