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


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 3REK entry

There are 10 chains in PDB entry 3REK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
PRO 38ALA 135
B
LYS 20GLY 102
C
THR 16LYS 118
D
LYS 24LYS 122
E
HIS 39ALA 135
F
ASN 25GLY 102
G
ALA 14LYS 118
H
THR 29LYS 122
I
A -72 T 73
J
A -73 T 72
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 36 helices in PDB entry 3REK. Click on helix of interest for CSU analysis.
Helix
number
Helix
ID
Chain
ID
Initial
residue
Terminal
residue
Helix class
Helix 1
1
A
44 57Right-handed alpha
Helix 2
2
A
63 77Right-handed alpha
Helix 3
3
A
85 114Right-handed alpha
Helix 4
4
A
120 131Right-handed alpha
Helix 5
5
B
24 29Right-handed 310
Helix 6
6
B
30 41Right-handed alpha
Helix 7
7
B
49 76Right-handed alpha
Helix 8
8
B
82 93Right-handed alpha
Helix 9
9
C
16 21Right-handed alpha
Helix 10
10
C
26 36Right-handed alpha
Helix 11
11
C
45 73Right-handed alpha
Helix 12
12
C
79 90Right-handed alpha
Helix 13
13
C
90 97Right-handed alpha
Helix 14
14
C
112 116Right-handed 310
Helix 15
15
D
34 46Right-handed alpha
Helix 16
16
D
52 81Right-handed alpha
Helix 17
17
D
87 99Right-handed alpha
Helix 18
18
D
100 121Right-handed alpha
Helix 19
19
E
44 57Right-handed alpha
Helix 20
20
E
63 77Right-handed alpha
Helix 21
21
E
85 114Right-handed alpha
Helix 22
22
E
120 131Right-handed alpha
Helix 23
23
F
25 29Right-handed 310
Helix 24
24
F
30 41Right-handed alpha
Helix 25
25
F
49 76Right-handed alpha
Helix 26
26
F
82 93Right-handed alpha
Helix 27
27
G
16 22Right-handed alpha
Helix 28
28
G
26 36Right-handed alpha
Helix 29
29
G
46 73Right-handed alpha
Helix 30
30
G
79 90Right-handed alpha
Helix 31
31
G
90 97Right-handed alpha
Helix 32
32
G
112 116Right-handed 310
Helix 33
33
H
34 46Right-handed alpha
Helix 34
34
H
52 81Right-handed alpha
Helix 35
35
H
87 99Right-handed alpha
Helix 36
36
H
100 120Right-handed alpha
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There are 10 sheets in PDB entry 3REK. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

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
83 84first strand
Strand 2
B
80 81parallel
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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
A
118 119first strand
Strand 2
B
45 46parallel
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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
B
96 98first strand
Strand 2
G
100 102parallel
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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
C
42 43first strand
Strand 2
D
85 86parallel
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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
77 78first strand
Strand 2
D
50 51parallel
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There are 2 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
100 102first strand
Strand 2
F
96 98parallel
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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
E
83 84first strand
Strand 2
F
80 81parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
E
118 119first strand
Strand 2
F
45 46parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
G
42 43first strand
Strand 2
H
85 86parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
G
77 78first strand
Strand 2
H
50 51parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il