Analysis of interatomic Contacts of Structural Units in PDB entry:
2Q4X


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 2Q4X entry

There are 2 chains in PDB entry 2Q4X (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 5GLY 219
B
 ARG 4GLY 219
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 22 helices in PDB entry 2Q4X. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
5 14Right-handed alpha
Helix 2
2
A
14 22Right-handed alpha
Helix 3
3
A
37 66Right-handed alpha
Helix 4
4
A
73 99Right-handed alpha
Helix 5
5
A
102 106Right-handed 310
Helix 6
6
A
109 121Right-handed alpha
Helix 7
7
A
128 148Right-handed alpha
Helix 8
8
A
151 156Right-handed 310
Helix 9
9
A
164 169Right-handed alpha
Helix 10
10
A
170 189Right-handed alpha
Helix 11
11
A
192 218Right-handed alpha
Helix 12
12
B
5 14Right-handed alpha
Helix 13
13
B
14 23Right-handed alpha
Helix 14
14
B
24 32Right-handed alpha
Helix 15
15
B
36 68Right-handed alpha
Helix 16
16
B
74 99Right-handed alpha
Helix 17
17
B
109 124Right-handed alpha
Helix 18
18
B
128 148Right-handed alpha
Helix 19
19
B
158 160Right-handed 310
Helix 20
20
B
161 169Right-handed alpha
Helix 21
21
B
170 190Right-handed alpha
Helix 22
22
B
192 219Right-handed alpha
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There is 1 sheet ( A) in PDB entry 2Q4X.

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
29 31first strand
Strand 2
A
34 36anti-parallel
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