Analysis of interatomic Contacts of Structural Units in PDB entry:
3V20


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 3V20 entry

There are 4 chains in PDB entry 3V20 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 3LYS 292
B
 LEU 5LYS 292
C
 T 1 G 13
D
 T 1 G 13
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 28 helices in PDB entry 3V20. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
4 8Right-handed 310
Helix 2
2
A
25 35Right-handed alpha
Helix 3
3
A
42 62Right-handed alpha
Helix 4
4
A
67 94Right-handed alpha
Helix 5
5
A
111 116Right-handed 310
Helix 6
6
A
117 133Right-handed alpha
Helix 7
7
A
153 156Right-handed 310
Helix 8
8
A
157 162Right-handed 310
Helix 9
9
A
168 176Right-handed alpha
Helix 10
10
A
177 183Right-handed 310
Helix 11
11
A
187 189Right-handed 310
Helix 12
12
A
206 227Right-handed alpha
Helix 13
13
A
245 253Right-handed alpha
Helix 14
14
A
256 260Right-handed 310
Helix 15
15
A
279 292Right-handed alpha
Helix 16
16
B
25 34Right-handed alpha
Helix 17
17
B
43 62Right-handed alpha
Helix 18
18
B
67 94Right-handed alpha
Helix 19
19
B
111 116Right-handed 310
Helix 20
20
B
117 131Right-handed alpha
Helix 21
21
B
153 156Right-handed 310
Helix 22
22
B
157 162Right-handed 310
Helix 23
23
B
168 177Right-handed alpha
Helix 24
24
B
178 183Right-handed 310
Helix 25
25
B
206 227Right-handed alpha
Helix 26
26
B
245 252Right-handed alpha
Helix 27
27
B
256 260Right-handed 310
Helix 28
28
B
279 291Right-handed alpha
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There are 4 sheets in PDB entry 3V20. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
11 15first strand
Strand 2
A
20 24anti-parallel
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There are 5 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
99 103first strand
Strand 2
A
147 151anti-parallel
Strand 3
A
191 198anti-parallel
Strand 4
A
235 240parallel
Strand 5
A
273 276parallel
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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
11 16first strand
Strand 2
B
19 24anti-parallel
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There are 5 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
99 103first strand
Strand 2
B
147 151anti-parallel
Strand 3
B
191 198anti-parallel
Strand 4
B
235 240parallel
Strand 5
B
273 276parallel
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