Analysis of interatomic Contacts of Structural Units in PDB entry:
3CQ9


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 3CQ9 entry

There are 4 chains in PDB entry 3CQ9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 3ASP 213
B
 THR 3GLU 221
C
 ALA 2ASP 214
D
 ALA 2ASP 214
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 35 helices in PDB entry 3CQ9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
12 16Right-handed 310
Helix 2
2
A
19 23Right-handed 310
Helix 3
3
A
31 40Right-handed alpha
Helix 4
4
A
61 68Right-handed alpha
Helix 5
5
A
79 92Right-handed alpha
Helix 6
6
A
106 115Right-handed alpha
Helix 7
7
A
116 118Right-handed 310
Helix 8
8
A
119 124Right-handed alpha
Helix 9
9
A
125 127Right-handed 310
Helix 10
10
B
12 16Right-handed 310
Helix 11
11
B
19 23Right-handed 310
Helix 12
12
B
31 40Right-handed alpha
Helix 13
13
B
55 67Right-handed alpha
Helix 14
14
B
79 92Right-handed alpha
Helix 15
15
B
106 115Right-handed alpha
Helix 16
16
B
116 118Right-handed 310
Helix 17
17
B
119 124Right-handed alpha
Helix 18
18
B
125 127Right-handed 310
Helix 19
19
B
214 219Right-handed alpha
Helix 20
20
C
12 16Right-handed 310
Helix 21
21
C
19 23Right-handed 310
Helix 22
22
C
31 40Right-handed alpha
Helix 23
23
C
55 66Right-handed alpha
Helix 24
24
C
79 92Right-handed alpha
Helix 25
25
C
106 115Right-handed alpha
Helix 26
26
C
116 119Right-handed 310
Helix 27
27
C
121 127Right-handed 310
Helix 28
28
D
12 16Right-handed 310
Helix 29
29
D
19 23Right-handed 310
Helix 30
30
D
31 40Right-handed alpha
Helix 31
31
D
79 92Right-handed alpha
Helix 32
32
D
106 115Right-handed alpha
Helix 33
33
D
116 118Right-handed 310
Helix 34
34
D
119 124Right-handed alpha
Helix 35
35
D
125 127Right-handed 310
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There are 8 sheets in PDB entry 3CQ9. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 10 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
70 72first strand
Strand 2
A
46 48parallel
Strand 3
A
27 30parallel
Strand 4
A
4 8parallel
Strand 5
A
96 100parallel
Strand 6
A
129 132parallel
Strand 7
A
136 141anti-parallel
Strand 8
A
206 211anti-parallel
Strand 9
A
156 161anti-parallel
Strand 10
A
187 190anti-parallel
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There are 4 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
144 149first strand
Strand 2
A
196 201anti-parallel
Strand 3
A
165 169anti-parallel
Strand 4
A
176 181anti-parallel
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There are 10 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
70 72first strand
Strand 2
B
46 48parallel
Strand 3
B
27 30parallel
Strand 4
B
4 8parallel
Strand 5
B
96 100parallel
Strand 6
B
129 132parallel
Strand 7
B
136 141anti-parallel
Strand 8
B
206 211anti-parallel
Strand 9
B
156 161anti-parallel
Strand 10
B
187 190anti-parallel
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There are 4 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
144 149first strand
Strand 2
B
196 201anti-parallel
Strand 3
B
165 169anti-parallel
Strand 4
B
176 181anti-parallel
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There are 10 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
70 72first strand
Strand 2
C
46 48parallel
Strand 3
C
27 30parallel
Strand 4
C
4 8parallel
Strand 5
C
96 100parallel
Strand 6
C
129 133parallel
Strand 7
C
136 141anti-parallel
Strand 8
C
206 211anti-parallel
Strand 9
C
156 161anti-parallel
Strand 10
C
187 190anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
144 149first strand
Strand 2
C
196 201anti-parallel
Strand 3
C
165 169anti-parallel
Strand 4
C
176 181anti-parallel
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There are 10 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
70 72first strand
Strand 2
D
46 48parallel
Strand 3
D
27 30parallel
Strand 4
D
4 8parallel
Strand 5
D
96 100parallel
Strand 6
D
129 132parallel
Strand 7
D
136 141anti-parallel
Strand 8
D
206 211anti-parallel
Strand 9
D
156 161anti-parallel
Strand 10
D
187 190anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
144 149first strand
Strand 2
D
196 201anti-parallel
Strand 3
D
165 169anti-parallel
Strand 4
D
176 181anti-parallel
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