Analysis of interatomic Contacts of Structural Units in PDB entry:
2R26


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 2R26 entry

There are 4 chains in PDB entry 2R26 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 3ARG 383
B
 GLU 4ARG 383
C
 GLU 5ARG 383
D
 GLU 5ARG 383
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 80 helices in PDB entry 2R26. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
7 11Right-handed 310
Helix 2
2
A
37 43Right-handed alpha
Helix 3
3
A
46 57Right-handed alpha
Helix 4
4
A
61 74Right-handed alpha
Helix 5
5
A
75 77Right-handed 310
Helix 6
6
A
79 88Right-handed alpha
Helix 7
7
A
94 110Right-handed alpha
Helix 8
8
A
119 143Right-handed alpha
Helix 9
9
A
155 166Right-handed alpha
Helix 10
10
A
170 184Right-handed alpha
Helix 11
11
A
190 201Right-handed alpha
Helix 12
12
A
205 218Right-handed alpha
Helix 13
13
A
224 237Right-handed alpha
Helix 14
14
A
238 240Right-handed 310
Helix 15
15
A
241 250Right-handed alpha
Helix 16
16
A
269 284Right-handed alpha
Helix 17
17
A
286 308Right-handed alpha
Helix 18
18
A
309 311Right-handed 310
Helix 19
19
A
316 328Right-handed alpha
Helix 20
20
A
334 360Right-handed alpha
Helix 21
21
A
379 383Right-handed 310
Helix 22
22
B
7 11Right-handed 310
Helix 23
23
B
37 44Right-handed alpha
Helix 24
24
B
46 57Right-handed alpha
Helix 25
25
B
61 74Right-handed alpha
Helix 26
26
B
75 77Right-handed 310
Helix 27
27
B
79 88Right-handed alpha
Helix 28
28
B
94 110Right-handed alpha
Helix 29
29
B
119 143Right-handed alpha
Helix 30
30
B
155 166Right-handed alpha
Helix 31
31
B
170 184Right-handed alpha
Helix 32
32
B
190 201Right-handed alpha
Helix 33
33
B
205 219Right-handed alpha
Helix 34
34
B
224 237Right-handed alpha
Helix 35
35
B
238 240Right-handed 310
Helix 36
36
B
241 250Right-handed alpha
Helix 37
37
B
269 284Right-handed alpha
Helix 38
38
B
286 308Right-handed alpha
Helix 39
39
B
309 311Right-handed 310
Helix 40
40
B
316 328Right-handed alpha
Helix 41
41
B
334 359Right-handed alpha
Helix 42
42
C
7 11Right-handed 310
Helix 43
43
C
37 43Right-handed alpha
Helix 44
44
C
46 57Right-handed alpha
Helix 45
45
C
61 75Right-handed alpha
Helix 46
46
C
79 88Right-handed alpha
Helix 47
47
C
94 110Right-handed alpha
Helix 48
48
C
119 143Right-handed alpha
Helix 49
49
C
155 166Right-handed alpha
Helix 50
50
C
170 184Right-handed alpha
Helix 51
51
C
190 201Right-handed alpha
Helix 52
52
C
205 218Right-handed alpha
Helix 53
53
C
224 237Right-handed alpha
Helix 54
54
C
238 240Right-handed 310
Helix 55
55
C
241 250Right-handed alpha
Helix 56
56
C
269 284Right-handed alpha
Helix 57
57
C
286 308Right-handed alpha
Helix 58
58
C
309 311Right-handed 310
Helix 59
59
C
319 328Right-handed alpha
Helix 60
60
C
334 359Right-handed alpha
Helix 61
61
D
7 11Right-handed 310
Helix 62
62
D
37 43Right-handed alpha
Helix 63
63
D
46 57Right-handed alpha
Helix 64
64
D
61 74Right-handed alpha
Helix 65
65
D
75 77Right-handed 310
Helix 66
66
D
79 88Right-handed alpha
Helix 67
67
D
94 110Right-handed alpha
Helix 68
68
D
119 143Right-handed alpha
Helix 69
69
D
155 166Right-handed alpha
Helix 70
70
D
170 184Right-handed alpha
Helix 71
71
D
190 201Right-handed alpha
Helix 72
72
D
205 218Right-handed alpha
Helix 73
73
D
224 237Right-handed alpha
Helix 74
74
D
238 240Right-handed 310
Helix 75
75
D
241 250Right-handed alpha
Helix 76
76
D
269 285Right-handed alpha
Helix 77
77
D
286 308Right-handed alpha
Helix 78
78
D
309 311Right-handed 310
Helix 79
79
D
316 328Right-handed alpha
Helix 80
80
D
334 359Right-handed alpha
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There are 8 sheets in PDB entry 2R26. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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
14 18first strand
Strand 2
B
366 369parallel
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There are 3 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
21 24first strand
Strand 2
A
29 32anti-parallel
Strand 3
A
35 36anti-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
A
366 369first strand
Strand 2
B
14 18parallel
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There are 3 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
21 24first strand
Strand 2
B
29 32anti-parallel
Strand 3
B
35 36anti-parallel
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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
C
14 18first strand
Strand 2
D
366 369parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
21 24first strand
Strand 2
C
29 32anti-parallel
Strand 3
C
35 36anti-parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
366 369first strand
Strand 2
D
14 18parallel
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There are 3 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
21 24first strand
Strand 2
D
29 32anti-parallel
Strand 3
D
35 36anti-parallel
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