Analysis of interatomic Contacts of Structural Units in PDB entry:
3EX7


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 3EX7 entry

There are 7 chains in PDB entry 3EX7 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 3ILE 146
B
 PRO 64GLY 157
C
 ASP 22GLU 413
D
 ASP 172ASN 249
E
 PHE 5ILE 146
G
 PRO 64PRO 154
H
 ASP 22ASP 335
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 61 helices in PDB entry 3EX7. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
39 43Right-handed 310
Helix 2
2
A
53 68Right-handed alpha
Helix 3
3
A
69 72Right-handed 310
Helix 4
4
A
106 112Right-handed alpha
Helix 5
5
A
115 142Right-handed alpha
Helix 6
6
B
85 95Right-handed alpha
Helix 7
7
B
123 135Right-handed alpha
Helix 8
8
C
39 43Right-handed 310
Helix 9
9
C
46 57Right-handed alpha
Helix 10
10
C
64 74Right-handed alpha
Helix 11
11
C
87 99Right-handed alpha
Helix 12
12
C
115 130Right-handed alpha
Helix 13
13
C
145 156Right-handed alpha
Helix 14
14
C
163 173Right-handed alpha
Helix 15
15
C
188 193Right-handed alpha
Helix 16
16
C
197 206Right-handed alpha
Helix 17
17
C
222 227Right-handed alpha
Helix 18
18
C
228 232Right-handed 310
Helix 19
19
C
242 246Right-handed 310
Helix 20
20
C
262 276Right-handed alpha
Helix 21
21
C
286 300Right-handed alpha
Helix 22
22
C
312 325Right-handed alpha
Helix 23
23
C
335 338Right-handed 310
Helix 24
24
C
357 366Right-handed alpha
Helix 25
25
C
367 368Right-handed 310
Helix 26
26
C
369 373Right-handed 310
Helix 27
27
C
385 397Right-handed alpha
Helix 28
28
C
406 412Right-handed alpha
Helix 29
29
D
232 241Right-handed alpha
Helix 30
30
E
39 43Right-handed 310
Helix 31
31
E
53 68Right-handed alpha
Helix 32
32
E
69 72Right-handed 310
Helix 33
33
E
73 77Right-handed 310
Helix 34
34
E
106 112Right-handed alpha
Helix 35
35
E
115 142Right-handed alpha
Helix 36
36
G
85 95Right-handed alpha
Helix 37
37
G
123 135Right-handed alpha
Helix 38
38
H
39 43Right-handed 310
Helix 39
39
H
46 56Right-handed alpha
Helix 40
40
H
62 75Right-handed alpha
Helix 41
41
H
87 99Right-handed alpha
Helix 42
42
H
115 130Right-handed alpha
Helix 43
43
H
131 134Right-handed 310
Helix 44
44
H
145 156Right-handed alpha
Helix 45
45
H
163 173Right-handed alpha
Helix 46
46
H
188 193Right-handed alpha
Helix 47
47
H
197 207Right-handed alpha
Helix 48
48
H
222 229Right-handed alpha
Helix 49
49
H
230 232Right-handed 310
Helix 50
50
H
262 271Right-handed alpha
Helix 51
51
H
271 276Right-handed alpha
Helix 52
52
H
286 300Right-handed alpha
Helix 53
53
H
312 325Right-handed alpha
Helix 54
54
H
357 366Right-handed alpha
Helix 55
55
H
367 368Right-handed 310
Helix 56
56
H
369 373Right-handed 310
Helix 57
57
H
385 397Right-handed alpha
Helix 58
58
H
406 412Right-handed alpha
Helix 59
59
I
171 175Right-handed 310
Helix 60
60
I
225 229Right-handed 310
Helix 61
61
I
232 241Right-handed alpha
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There are 8 sheets in PDB entry 3EX7. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 7 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
95 101first strand
Strand 2
A
85 92anti-parallel
Strand 3
A
5 15anti-parallel
Strand 4
A
18 26anti-parallel
Strand 5
A
31 37anti-parallel
Strand 6
A
46 52anti-parallel
Strand 7
B
150 151anti-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
99 103first strand
Strand 2
B
117 121anti-parallel
Strand 3
B
73 78anti-parallel
Strand 4
B
145 148anti-parallel
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There are 7 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
137 140first strand
Strand 2
C
159 162parallel
Strand 3
C
109 112parallel
Strand 4
C
183 187parallel
Strand 5
C
213 218parallel
Strand 6
C
78 81parallel
Strand 7
C
237 239parallel
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There are 7 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
305 307first strand
Strand 2
C
330 333parallel
Strand 3
C
279 283parallel
Strand 4
C
346 351parallel
Strand 5
C
375 381parallel
Strand 6
C
251 257parallel
Strand 7
C
400 402parallel
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There are 7 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
95 101first strand
Strand 2
E
85 92anti-parallel
Strand 3
E
7 15anti-parallel
Strand 4
E
18 26anti-parallel
Strand 5
E
31 37anti-parallel
Strand 6
E
46 52anti-parallel
Strand 7
G
150 151anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
99 103first strand
Strand 2
G
116 121anti-parallel
Strand 3
G
73 78anti-parallel
Strand 4
G
145 148anti-parallel
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There are 7 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
137 140first strand
Strand 2
H
159 162parallel
Strand 3
H
109 112parallel
Strand 4
H
183 187parallel
Strand 5
H
213 217parallel
Strand 6
H
78 80parallel
Strand 7
H
237 239parallel
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There are 7 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
305 307first strand
Strand 2
H
330 333parallel
Strand 3
H
280 283parallel
Strand 4
H
348 351parallel
Strand 5
H
375 381parallel
Strand 6
H
251 257parallel
Strand 7
H
400 402parallel
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