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


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 3QBT entry

There are 8 chains in PDB entry 3QBT (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 TYR 7LYS 176
C
 ASP 6LYS 176
E
 TYR 7LYS 175
G
 TYR 7LYS 175
B
 ASP 549SER 678
D
 ASP 549SER 678
F
 GLU 540SER 678
H
 GLU 540SER 678
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 43 helices in PDB entry 3QBT. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
20 31Right-handed alpha
Helix 2
2
A
67 69Right-handed 310
Helix 3
3
A
70 75Right-handed alpha
Helix 4
4
A
76 78Right-handed 310
Helix 5
5
A
92 98Right-handed alpha
Helix 6
6
A
98 110Right-handed alpha
Helix 7
7
A
125 129Right-handed 310
Helix 8
8
A
132 143Right-handed alpha
Helix 9
9
A
157 176Right-handed alpha
Helix 10
10
C
20 31Right-handed alpha
Helix 11
11
C
67 69Right-handed 310
Helix 12
12
C
70 75Right-handed alpha
Helix 13
13
C
76 78Right-handed 310
Helix 14
14
C
92 98Right-handed alpha
Helix 15
15
C
98 110Right-handed alpha
Helix 16
16
C
125 129Right-handed 310
Helix 17
17
C
132 144Right-handed alpha
Helix 18
18
C
157 176Right-handed alpha
Helix 19
19
E
20 31Right-handed alpha
Helix 20
20
E
67 69Right-handed 310
Helix 21
21
E
70 76Right-handed alpha
Helix 22
22
E
92 98Right-handed alpha
Helix 23
23
E
98 110Right-handed alpha
Helix 24
24
E
125 129Right-handed 310
Helix 25
25
E
132 143Right-handed alpha
Helix 26
26
E
157 175Right-handed alpha
Helix 27
27
G
20 31Right-handed alpha
Helix 28
28
G
67 69Right-handed 310
Helix 29
29
G
70 75Right-handed alpha
Helix 30
30
G
76 79Right-handed 310
Helix 31
31
G
92 98Right-handed alpha
Helix 32
32
G
98 110Right-handed alpha
Helix 33
33
G
125 129Right-handed 310
Helix 34
34
G
132 144Right-handed alpha
Helix 35
35
G
157 174Right-handed alpha
Helix 36
36
B
552 561Right-handed alpha
Helix 37
37
B
639 649Right-handed alpha
Helix 38
38
D
552 561Right-handed alpha
Helix 39
39
D
639 649Right-handed alpha
Helix 40
40
F
540 561Right-handed alpha
Helix 41
41
F
642 647Right-handed alpha
Helix 42
42
H
540 561Right-handed alpha
Helix 43
43
H
639 647Right-handed alpha
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There are 12 sheets in PDB entry 3QBT. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 8 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
146 149first strand
Strand 2
A
115 121parallel
Strand 3
A
83 89parallel
Strand 4
A
8 14parallel
Strand 5
A
55 63parallel
Strand 6
A
42 52anti-parallel
Strand 7
B
666 675anti-parallel
Strand 8
B
571 577parallel
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There are 10 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
146 149first strand
Strand 2
A
115 121parallel
Strand 3
A
83 89parallel
Strand 4
A
8 14parallel
Strand 5
A
55 63parallel
Strand 6
A
42 52anti-parallel
Strand 7
B
666 675anti-parallel
Strand 8
B
655 661anti-parallel
Strand 9
B
597 602anti-parallel
Strand 10
B
621 624anti-parallel
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There are 8 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
146 149first strand
Strand 2
C
115 121parallel
Strand 3
C
83 89parallel
Strand 4
C
7 14parallel
Strand 5
C
55 63parallel
Strand 6
C
42 52anti-parallel
Strand 7
D
666 676anti-parallel
Strand 8
D
571 578parallel
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There are 10 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
146 149first strand
Strand 2
C
115 121parallel
Strand 3
C
83 89parallel
Strand 4
C
7 14parallel
Strand 5
C
55 63parallel
Strand 6
C
42 52anti-parallel
Strand 7
D
666 676anti-parallel
Strand 8
D
655 661anti-parallel
Strand 9
D
597 602anti-parallel
Strand 10
D
621 624anti-parallel
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There are 8 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
146 149first strand
Strand 2
E
115 121parallel
Strand 3
E
83 89parallel
Strand 4
E
8 15parallel
Strand 5
E
55 64parallel
Strand 6
E
42 52anti-parallel
Strand 7
F
666 676anti-parallel
Strand 8
F
571 578parallel
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There are 10 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
146 149first strand
Strand 2
E
115 121parallel
Strand 3
E
83 89parallel
Strand 4
E
8 15parallel
Strand 5
E
55 64parallel
Strand 6
E
42 52anti-parallel
Strand 7
F
666 676anti-parallel
Strand 8
F
652 661anti-parallel
Strand 9
F
597 602anti-parallel
Strand 10
F
621 624anti-parallel
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There are 8 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
146 149first strand
Strand 2
G
115 121parallel
Strand 3
G
83 89parallel
Strand 4
G
8 14parallel
Strand 5
G
55 64parallel
Strand 6
G
42 52anti-parallel
Strand 7
H
666 675anti-parallel
Strand 8
H
571 577parallel
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There are 10 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
146 149first strand
Strand 2
G
115 121parallel
Strand 3
G
83 89parallel
Strand 4
G
8 14parallel
Strand 5
G
55 64parallel
Strand 6
G
42 52anti-parallel
Strand 7
H
666 675anti-parallel
Strand 8
H
652 661anti-parallel
Strand 9
H
597 601anti-parallel
Strand 10
H
621 624anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
565 567first strand
Strand 2
B
583 591anti-parallel
Strand 3
B
629 636anti-parallel
Strand 4
B
615 618anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
565 567first strand
Strand 2
D
583 591anti-parallel
Strand 3
D
629 636anti-parallel
Strand 4
D
615 618anti-parallel
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There are 4 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
565 567first strand
Strand 2
F
583 591anti-parallel
Strand 3
F
629 636anti-parallel
Strand 4
F
615 618anti-parallel
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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
565 567first strand
Strand 2
H
583 591anti-parallel
Strand 3
H
629 636anti-parallel
Strand 4
H
615 618anti-parallel
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