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


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 4EXW entry

There are 5 chains in PDB entry 4EXW (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY -5PRO 143
B
 PRO -2GLY 144
C
 PRO -2PRO 143
D
 PHE -1PRO 143
E
 PRO -2GLY 144
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 25 helices in PDB entry 4EXW. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
20 22Right-handed 310
Helix 2
2
A
23 33Right-handed alpha
Helix 3
3
A
49 53Right-handed 310
Helix 4
4
A
57 62Right-handed 310
Helix 5
5
A
137 141Right-handed 310
Helix 6
6
B
20 22Right-handed 310
Helix 7
7
B
23 33Right-handed alpha
Helix 8
8
B
49 53Right-handed 310
Helix 9
9
B
57 62Right-handed 310
Helix 10
10
B
137 141Right-handed 310
Helix 11
11
C
20 22Right-handed 310
Helix 12
12
C
23 33Right-handed alpha
Helix 13
13
C
49 53Right-handed 310
Helix 14
14
C
57 62Right-handed 310
Helix 15
15
C
137 141Right-handed 310
Helix 16
16
D
20 22Right-handed 310
Helix 17
17
D
23 33Right-handed alpha
Helix 18
18
D
49 53Right-handed 310
Helix 19
19
D
57 62Right-handed 310
Helix 20
20
D
137 141Right-handed 310
Helix 21
21
E
20 22Right-handed 310
Helix 22
22
E
23 33Right-handed alpha
Helix 23
23
E
49 53Right-handed 310
Helix 24
24
E
57 62Right-handed 310
Helix 25
25
E
137 141Right-handed 310
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There are 6 sheets in PDB entry 4EXW. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 11 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
2 7first strand
Strand 2
A
13 18anti-parallel
Strand 3
E
2 7anti-parallel
Strand 4
E
13 18anti-parallel
Strand 5
D
2 7anti-parallel
Strand 6
D
13 18anti-parallel
Strand 7
C
2 7anti-parallel
Strand 8
C
13 18anti-parallel
Strand 9
B
2 7anti-parallel
Strand 10
B
13 18anti-parallel
Strand 11
A
2 7anti-parallel
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There are 6 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
46 48first strand
Strand 2
A
125 132parallel
Strand 3
A
100 106anti-parallel
Strand 4
A
81 87anti-parallel
Strand 5
A
73 76anti-parallel
Strand 6
A
64 67anti-parallel
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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
46 48first strand
Strand 2
B
126 131parallel
Strand 3
B
101 105anti-parallel
Strand 4
B
83 86anti-parallel
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There are 6 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
46 48first strand
Strand 2
C
126 132parallel
Strand 3
C
100 105anti-parallel
Strand 4
C
81 87anti-parallel
Strand 5
C
73 76anti-parallel
Strand 6
C
64 67anti-parallel
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There are 6 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
46 48first strand
Strand 2
D
126 131parallel
Strand 3
D
101 105anti-parallel
Strand 4
D
81 85anti-parallel
Strand 5
D
74 76anti-parallel
Strand 6
D
64 66anti-parallel
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There are 6 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
46 48first strand
Strand 2
E
126 131parallel
Strand 3
E
100 105anti-parallel
Strand 4
E
81 87anti-parallel
Strand 5
E
74 76anti-parallel
Strand 6
E
64 66anti-parallel
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