Analysis of interatomic Contacts of Structural Units in PDB entry:
3Q81


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 3Q81 entry

There are 2 chains in PDB entry 3Q81 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 2ASN 253
B
 GLN 2ASN 253
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 22 helices in PDB entry 3Q81. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
22 27Right-handed alpha
Helix 2
2
A
49 52Right-handed 310
Helix 3
3
A
57 60Right-handed 310
Helix 4
4
A
61 72Right-handed alpha
Helix 5
5
A
99 106Right-handed alpha
Helix 6
6
A
108 118Right-handed alpha
Helix 7
7
A
120 132Right-handed alpha
Helix 8
8
A
154 167Right-handed alpha
Helix 9
9
A
172 183Right-handed alpha
Helix 10
10
A
234 249Right-handed alpha
Helix 11
11
B
4 8Right-handed 310
Helix 12
12
B
22 27Right-handed alpha
Helix 13
13
B
49 52Right-handed 310
Helix 14
14
B
57 60Right-handed 310
Helix 15
15
B
61 72Right-handed alpha
Helix 16
16
B
91 95Right-handed 310
Helix 17
17
B
99 106Right-handed alpha
Helix 18
18
B
108 117Right-handed alpha
Helix 19
19
B
120 132Right-handed alpha
Helix 20
20
B
154 167Right-handed alpha
Helix 21
21
B
172 183Right-handed alpha
Helix 22
22
B
234 249Right-handed alpha
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There are 4 sheets in PDB entry 3Q81. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 7 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
16 19first strand
Strand 2
A
42 46parallel
Strand 3
A
30 37anti-parallel
Strand 4
A
221 230anti-parallel
Strand 5
A
205 217anti-parallel
Strand 6
A
191 202anti-parallel
Strand 7
A
184 187anti-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
A
54 55first strand
Strand 2
A
152 153anti-parallel
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There are 7 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
16 20first strand
Strand 2
B
42 46parallel
Strand 3
B
30 37anti-parallel
Strand 4
B
221 230anti-parallel
Strand 5
B
205 217anti-parallel
Strand 6
B
191 202anti-parallel
Strand 7
B
184 187anti-parallel
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There are 2 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
54 55first strand
Strand 2
B
152 153anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il