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


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 4EXN entry

There are 4 chains in PDB entry 4EXN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 23PRO 194
B
 LYS 33PRO 194
E
 GLU 25ALA 195
F
 ASN 23PRO 194
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 37 helices in PDB entry 4EXN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
36 45Right-handed alpha
Helix 2
2
A
46 55Right-handed alpha
Helix 3
3
A
67 71Right-handed 310
Helix 4
4
A
73 82Right-handed alpha
Helix 5
5
A
86 107Right-handed alpha
Helix 6
6
A
115 132Right-handed alpha
Helix 7
7
A
139 151Right-handed alpha
Helix 8
8
A
160 181Right-handed alpha
Helix 9
9
A
185 189Right-handed 310
Helix 10
10
B
36 45Right-handed alpha
Helix 11
11
B
46 55Right-handed alpha
Helix 12
12
B
67 71Right-handed 310
Helix 13
13
B
73 82Right-handed alpha
Helix 14
14
B
86 107Right-handed alpha
Helix 15
15
B
115 132Right-handed alpha
Helix 16
16
B
139 148Right-handed alpha
Helix 17
17
B
160 178Right-handed alpha
Helix 18
18
B
185 189Right-handed 310
Helix 19
19
E
36 45Right-handed alpha
Helix 20
20
E
46 55Right-handed alpha
Helix 21
21
E
67 71Right-handed 310
Helix 22
22
E
73 82Right-handed alpha
Helix 23
23
E
86 107Right-handed alpha
Helix 24
24
E
115 132Right-handed alpha
Helix 25
25
E
139 151Right-handed alpha
Helix 26
26
E
160 177Right-handed alpha
Helix 27
27
E
178 180Right-handed 310
Helix 28
28
F
36 45Right-handed alpha
Helix 29
29
F
46 55Right-handed alpha
Helix 30
30
F
67 71Right-handed 310
Helix 31
31
F
73 82Right-handed alpha
Helix 32
32
F
86 107Right-handed alpha
Helix 33
33
F
115 132Right-handed alpha
Helix 34
34
F
139 147Right-handed alpha
Helix 35
35
F
160 177Right-handed alpha
Helix 36
36
F
178 180Right-handed 310
Helix 37
37
F
185 189Right-handed 310
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There are 4 sheets in PDB entry 4EXN. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 2 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
64 66first strand
Strand 2
A
157 159anti-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
B
64 66first strand
Strand 2
B
157 159anti-parallel
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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
64 66first strand
Strand 2
E
157 159anti-parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
64 66first strand
Strand 2
F
157 159anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il