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


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 3EXR entry

There are 4 chains in PDB entry 3EXR (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 3GLY 221
B
 GLN 4GLY 221
C
 GLN 4GLY 221
D
 GLN 4GLY 221
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 46 helices in PDB entry 3EXR. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
16 28Right-handed alpha
Helix 2
2
A
29 31Right-handed 310
Helix 3
3
A
37 45Right-handed alpha
Helix 4
4
A
46 56Right-handed alpha
Helix 5
5
A
70 80Right-handed alpha
Helix 6
6
A
93 108Right-handed alpha
Helix 7
7
A
123 133Right-handed alpha
Helix 8
8
A
143 150Right-handed alpha
Helix 9
9
A
154 168Right-handed alpha
Helix 10
10
A
178 186Right-handed 310
Helix 11
11
A
196 201Right-handed alpha
Helix 12
12
A
204 221Right-handed alpha
Helix 13
13
B
16 28Right-handed alpha
Helix 14
14
B
29 31Right-handed 310
Helix 15
15
B
37 45Right-handed alpha
Helix 16
16
B
46 56Right-handed alpha
Helix 17
17
B
70 80Right-handed alpha
Helix 18
18
B
93 108Right-handed alpha
Helix 19
19
B
123 133Right-handed alpha
Helix 20
20
B
154 168Right-handed alpha
Helix 21
21
B
181 186Right-handed 310
Helix 22
22
B
196 201Right-handed alpha
Helix 23
23
B
204 221Right-handed alpha
Helix 24
24
C
16 28Right-handed alpha
Helix 25
25
C
29 31Right-handed 310
Helix 26
26
C
37 45Right-handed alpha
Helix 27
27
C
46 56Right-handed alpha
Helix 28
28
C
70 80Right-handed alpha
Helix 29
29
C
93 108Right-handed alpha
Helix 30
30
C
123 133Right-handed alpha
Helix 31
31
C
154 168Right-handed alpha
Helix 32
32
C
180 186Right-handed 310
Helix 33
33
C
196 201Right-handed alpha
Helix 34
34
C
204 221Right-handed alpha
Helix 35
35
D
16 28Right-handed alpha
Helix 36
36
D
29 31Right-handed 310
Helix 37
37
D
37 45Right-handed alpha
Helix 38
38
D
46 56Right-handed alpha
Helix 39
39
D
70 80Right-handed alpha
Helix 40
40
D
93 108Right-handed alpha
Helix 41
41
D
123 133Right-handed alpha
Helix 42
42
D
143 150Right-handed alpha
Helix 43
43
D
154 168Right-handed alpha
Helix 44
44
D
181 186Right-handed 310
Helix 45
45
D
196 201Right-handed alpha
Helix 46
46
D
204 221Right-handed alpha
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There are 4 sheets in PDB entry 3EXR. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 9 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 12first strand
Strand 2
A
33 36parallel
Strand 3
A
60 67parallel
Strand 4
A
85 89parallel
Strand 5
A
113 117parallel
Strand 6
A
137 141parallel
Strand 7
A
170 174parallel
Strand 8
A
192 195parallel
Strand 9
A
7 12parallel
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There are 9 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
7 12first strand
Strand 2
B
33 36parallel
Strand 3
B
60 67parallel
Strand 4
B
85 89parallel
Strand 5
B
113 117parallel
Strand 6
B
137 141parallel
Strand 7
B
170 174parallel
Strand 8
B
192 195parallel
Strand 9
B
7 12parallel
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There are 9 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
7 12first strand
Strand 2
C
33 36parallel
Strand 3
C
60 67parallel
Strand 4
C
85 89parallel
Strand 5
C
113 117parallel
Strand 6
C
137 141parallel
Strand 7
C
170 174parallel
Strand 8
C
192 195parallel
Strand 9
C
7 12parallel
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There are 9 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
7 12first strand
Strand 2
D
33 36parallel
Strand 3
D
60 67parallel
Strand 4
D
85 89parallel
Strand 5
D
113 117parallel
Strand 6
D
137 141parallel
Strand 7
D
170 174parallel
Strand 8
D
192 195parallel
Strand 9
D
7 12parallel
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