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


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 2CHG entry

There are 4 chains in PDB entry 2CHG (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE 4ALA 226
B
 PHE 4THR 225
C
 PHE 4ALA 224
D
 PHE 4ALA 224
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 56 helices in PDB entry 2CHG. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
6 11Right-handed alpha
Helix 2
2
A
15 19Right-handed 310
Helix 3
3
A
22 35Right-handed alpha
Helix 4
4
A
50 64Right-handed alpha
Helix 5
5
A
65 69Right-handed 310
Helix 6
6
A
81 94Right-handed alpha
Helix 7
7
A
110 114Right-handed 310
Helix 8
8
A
115 129Right-handed alpha
Helix 9
9
A
141 145Right-handed 310
Helix 10
10
A
146 151Right-handed alpha
Helix 11
11
A
162 178Right-handed alpha
Helix 12
12
A
182 194Right-handed alpha
Helix 13
13
A
196 210Right-handed alpha
Helix 14
14
A
215 225Right-handed alpha
Helix 15
15
B
6 11Right-handed alpha
Helix 16
16
B
15 19Right-handed 310
Helix 17
17
B
22 35Right-handed alpha
Helix 18
18
B
50 64Right-handed alpha
Helix 19
19
B
65 69Right-handed 310
Helix 20
20
B
81 94Right-handed alpha
Helix 21
21
B
110 114Right-handed 310
Helix 22
22
B
115 130Right-handed alpha
Helix 23
23
B
141 145Right-handed 310
Helix 24
24
B
146 152Right-handed alpha
Helix 25
25
B
162 178Right-handed alpha
Helix 26
26
B
182 194Right-handed alpha
Helix 27
27
B
196 209Right-handed alpha
Helix 28
28
B
215 225Right-handed alpha
Helix 29
29
C
6 11Right-handed alpha
Helix 30
30
C
15 19Right-handed 310
Helix 31
31
C
22 35Right-handed alpha
Helix 32
32
C
50 64Right-handed alpha
Helix 33
33
C
65 69Right-handed 310
Helix 34
34
C
81 93Right-handed alpha
Helix 35
35
C
110 114Right-handed 310
Helix 36
36
C
115 129Right-handed alpha
Helix 37
37
C
141 145Right-handed 310
Helix 38
38
C
146 151Right-handed alpha
Helix 39
39
C
162 178Right-handed alpha
Helix 40
40
C
182 194Right-handed alpha
Helix 41
41
C
196 210Right-handed alpha
Helix 42
42
C
215 224Right-handed alpha
Helix 43
43
D
6 11Right-handed alpha
Helix 44
44
D
15 19Right-handed 310
Helix 45
45
D
22 35Right-handed alpha
Helix 46
46
D
50 64Right-handed alpha
Helix 47
47
D
65 69Right-handed 310
Helix 48
48
D
81 94Right-handed alpha
Helix 49
49
D
110 114Right-handed 310
Helix 50
50
D
115 129Right-handed alpha
Helix 51
51
D
141 145Right-handed 310
Helix 52
52
D
146 151Right-handed alpha
Helix 53
53
D
162 177Right-handed alpha
Helix 54
54
D
182 194Right-handed alpha
Helix 55
55
D
196 209Right-handed alpha
Helix 56
56
D
215 224Right-handed alpha
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There are 5 sheets in PDB entry 2CHG. Click on sheet of interest to get list of strands forming it: AA, BA, BB, CA, A,

There are 5 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
71 75first strand
Strand 2
A
104 109parallel
Strand 3
A
133 139parallel
Strand 4
A
41 44parallel
Strand 5
A
154 157parallel
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There are 5 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
71 75first strand
Strand 2
B
104 109parallel
Strand 3
B
133 139parallel
Strand 4
B
40 44parallel
Strand 5
B
153 157parallel
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There are 2 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
180 181first strand
Strand 2
B
213 214parallel
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There are 5 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
71 75first strand
Strand 2
C
104 109parallel
Strand 3
C
133 139parallel
Strand 4
C
40 44parallel
Strand 5
C
153 157parallel
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There are 5 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
71 75first strand
Strand 2
D
104 109parallel
Strand 3
D
133 139parallel
Strand 4
D
40 44parallel
Strand 5
D
153 157parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il