Analysis of interatomic Contacts of Structural Units in PDB entry:
3QB7


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 3QB7 entry

There are 4 chains in PDB entry 3QB7 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 CYS 3CYS 127
B
 CYS 3CYS 127
C
 LEU 33SER 226
D
 LEU 33SER 226
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 13 helices in PDB entry 3QB7. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
4 20Right-handed alpha
Helix 2
2
A
23 26Right-handed 310
Helix 3
3
A
40 60Right-handed alpha
Helix 4
4
A
69 95Right-handed alpha
Helix 5
5
A
109 127Right-handed alpha
Helix 6
6
B
4 19Right-handed alpha
Helix 7
7
B
40 59Right-handed alpha
Helix 8
8
B
69 95Right-handed alpha
Helix 9
9
B
109 127Right-handed alpha
Helix 10
10
C
96 100Right-handed 310
Helix 11
11
C
157 161Right-handed 310
Helix 12
12
D
98 100Right-handed 310
Helix 13
13
D
125 129Right-handed 310
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There are 10 sheets in PDB entry 3QB7. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 2 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
28 29first strand
Strand 2
A
107 108anti-parallel
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There are 2 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
28 30first strand
Strand 2
B
106 108anti-parallel
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There are 5 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
83 86first strand
Strand 2
C
89 95anti-parallel
Strand 3
C
47 52anti-parallel
Strand 4
C
38 43anti-parallel
Strand 5
C
130 131parallel
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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
C
78 79first strand
Strand 2
C
64 69anti-parallel
Strand 3
C
106 111anti-parallel
Strand 4
C
119 124anti-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
C
136 142first strand
Strand 2
C
148 153anti-parallel
Strand 3
C
186 188anti-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
176 180first strand
Strand 2
C
162 168anti-parallel
Strand 3
C
197 204anti-parallel
Strand 4
C
222 224anti-parallel
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There are 4 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
38 43first strand
Strand 2
D
47 52anti-parallel
Strand 3
D
90 96anti-parallel
Strand 4
D
83 85anti-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
78 79first strand
Strand 2
D
64 69anti-parallel
Strand 3
D
106 111anti-parallel
Strand 4
D
119 124anti-parallel
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There are 3 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
136 141first strand
Strand 2
D
149 153anti-parallel
Strand 3
D
185 187anti-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
176 180first strand
Strand 2
D
161 168anti-parallel
Strand 3
D
197 205anti-parallel
Strand 4
D
222 224anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il