Analysis of interatomic Contacts of Structural Units in PDB entry:
2B4Q


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 2B4Q entry

There are 2 chains in PDB entry 2B4Q (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LEU 256
B
 MET 1LEU 256
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 24 helices in PDB entry 2B4Q. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
19 32Right-handed alpha
Helix 2
2
A
42 54Right-handed alpha
Helix 3
3
A
68 83Right-handed alpha
Helix 4
4
A
106 117Right-handed alpha
Helix 5
5
A
117 135Right-handed alpha
Helix 6
6
A
148 152Right-handed 310
Helix 7
7
A
161 181Right-handed alpha
Helix 8
8
A
200 206Right-handed alpha
Helix 9
9
A
206 216Right-handed alpha
Helix 10
10
A
224 237Right-handed alpha
Helix 11
11
A
238 241Right-handed 310
Helix 12
12
B
19 33Right-handed alpha
Helix 13
13
B
42 54Right-handed alpha
Helix 14
14
B
68 81Right-handed alpha
Helix 15
15
B
105 107Right-handed 310
Helix 16
16
B
108 117Right-handed alpha
Helix 17
17
B
117 135Right-handed alpha
Helix 18
18
B
148 152Right-handed 310
Helix 19
19
B
161 181Right-handed alpha
Helix 20
20
B
197 199Right-handed 310
Helix 21
21
B
200 206Right-handed alpha
Helix 22
22
B
206 215Right-handed alpha
Helix 23
23
B
224 237Right-handed alpha
Helix 24
24
B
238 241Right-handed 310
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There are 2 sheets in PDB entry 2B4Q. Click on sheet of interest to get list of strands forming it: A, B,

There are 7 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
59 61first strand
Strand 2
A
35 39parallel
Strand 3
A
11 15parallel
Strand 4
A
88 91parallel
Strand 5
A
141 146parallel
Strand 6
A
185 192parallel
Strand 7
A
247 250parallel
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There are 7 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
59 61first strand
Strand 2
B
35 39parallel
Strand 3
B
11 15parallel
Strand 4
B
88 91parallel
Strand 5
B
141 146parallel
Strand 6
B
185 192parallel
Strand 7
B
247 250parallel
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