Analysis of interatomic Contacts of Structural Units in PDB entry:
4BQN


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 4BQN entry

There are 2 chains in PDB entry 4BQN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 1SER 312
B
 ALA 3SER 312
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 4BQN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
14 25Right-handed alpha
Helix 2
2
A
26 32Right-handed alpha
Helix 3
3
A
45 56Right-handed alpha
Helix 4
4
A
57 60Right-handed 310
Helix 5
5
A
74 77Right-handed 310
Helix 6
6
A
78 84Right-handed alpha
Helix 7
7
A
123 131Right-handed alpha
Helix 8
8
A
134 141Right-handed alpha
Helix 9
9
A
141 152Right-handed alpha
Helix 10
10
A
152 168Right-handed alpha
Helix 11
11
A
169 174Right-handed 310
Helix 12
12
A
182 190Right-handed alpha
Helix 13
13
A
203 218Right-handed alpha
Helix 14
14
A
221 225Right-handed 310
Helix 15
15
A
244 249Right-handed 310
Helix 16
16
A
268 282Right-handed alpha
Helix 17
17
A
284 297Right-handed alpha
Helix 18
18
A
299 311Right-handed alpha
Helix 19
19
B
14 25Right-handed alpha
Helix 20
20
B
26 32Right-handed alpha
Helix 21
21
B
45 56Right-handed alpha
Helix 22
22
B
57 60Right-handed 310
Helix 23
23
B
74 77Right-handed 310
Helix 24
24
B
78 84Right-handed alpha
Helix 25
25
B
123 131Right-handed alpha
Helix 26
26
B
134 141Right-handed alpha
Helix 27
27
B
141 152Right-handed alpha
Helix 28
28
B
152 169Right-handed alpha
Helix 29
29
B
170 174Right-handed 310
Helix 30
30
B
182 190Right-handed alpha
Helix 31
31
B
203 218Right-handed alpha
Helix 32
32
B
221 225Right-handed 310
Helix 33
33
B
244 249Right-handed 310
Helix 34
34
B
268 283Right-handed alpha
Helix 35
35
B
284 297Right-handed alpha
Helix 36
36
B
299 311Right-handed alpha
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There are 8 sheets in PDB entry 4BQN. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, BC, BD,

There are 4 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
33 35first strand
Strand 2
A
6 11parallel
Strand 3
A
62 65parallel
Strand 4
A
91 94parallel
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There are 2 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
107 108first strand
Strand 2
A
121 122anti-parallel
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There are 2 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
196 198first strand
Strand 2
A
201 202anti-parallel
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There are 2 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
260 262first strand
Strand 2
A
265 267anti-parallel
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There are 4 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
33 35first strand
Strand 2
B
6 11parallel
Strand 3
B
62 65parallel
Strand 4
B
91 94parallel
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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
107 108first strand
Strand 2
B
121 122anti-parallel
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There are 2 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
196 198first strand
Strand 2
B
201 202anti-parallel
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There are 2 strands in BD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
260 262first strand
Strand 2
B
265 267anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il