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


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 4QPA entry

There are 4 chains in PDB entry 4QPA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 10ASP 122
A
 ILE 124GLY 355
B
 GLU 10ASP 122
B
 ILE 124SER 358
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 32 helices in PDB entry 4QPA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
60 76Right-handed alpha
Helix 2
2
A
110 117Right-handed alpha
Helix 3
3
A
120 141Right-handed alpha
Helix 4
4
A
149 151Right-handed 310
Helix 5
5
A
188 192Right-handed 310
Helix 6
6
A
193 198Right-handed alpha
Helix 7
7
A
205 220Right-handed alpha
Helix 8
8
A
230 243Right-handed alpha
Helix 9
9
A
272 277Right-handed alpha
Helix 10
10
A
281 292Right-handed alpha
Helix 11
11
A
301 307Right-handed alpha
Helix 12
12
A
308 312Right-handed 310
Helix 13
13
A
316 320Right-handed 310
Helix 14
14
A
337 349Right-handed alpha
Helix 15
15
A
350 353Right-handed 310
Helix 16
16
B
59 76Right-handed alpha
Helix 17
17
B
110 117Right-handed alpha
Helix 18
18
B
120 141Right-handed alpha
Helix 19
19
B
149 151Right-handed 310
Helix 20
20
B
188 192Right-handed 310
Helix 21
21
B
193 198Right-handed alpha
Helix 22
22
B
205 222Right-handed alpha
Helix 23
23
B
230 243Right-handed alpha
Helix 24
24
B
246 252Right-handed alpha
Helix 25
25
B
255 263Right-handed alpha
Helix 26
26
B
272 277Right-handed alpha
Helix 27
27
B
281 292Right-handed alpha
Helix 28
28
B
301 307Right-handed alpha
Helix 29
29
B
308 312Right-handed 310
Helix 30
30
B
316 320Right-handed 310
Helix 31
31
B
337 349Right-handed alpha
Helix 32
32
B
350 353Right-handed 310
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There are 6 sheets in PDB entry 4QPA. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

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
A
23 24first strand
Strand 2
A
37 42anti-parallel
Strand 3
A
47 54anti-parallel
Strand 4
A
99 104anti-parallel
Strand 5
A
86 88anti-parallel
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There are 3 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
108 109first strand
Strand 2
A
153 157anti-parallel
Strand 3
A
160 163anti-parallel
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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
A
143 144first strand
Strand 2
A
170 171anti-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
23 28first strand
Strand 2
B
37 42anti-parallel
Strand 3
B
47 54anti-parallel
Strand 4
B
99 104anti-parallel
Strand 5
B
86 88anti-parallel
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There are 3 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
108 109first strand
Strand 2
B
153 155anti-parallel
Strand 3
B
161 163anti-parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
143 144first strand
Strand 2
B
170 171anti-parallel
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