Analysis of interatomic Contacts of Structural Units in PDB entry:
1DQ4


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 1DQ4 entry

There are 2 chains in PDB entry 1DQ4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1ASN 237
B
 ALA 1ASN 237
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 6 helices in PDB entry 1DQ4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
80 85Right-handed alpha
Helix 2
2
A
150 152Right-handed 310
Helix 3
3
A
226 230Right-handed 310
Helix 4
4
B
80 85Right-handed alpha
Helix 5
5
B
150 152Right-handed 310
Helix 6
6
B
226 230Right-handed 310
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There are 3 sheets in PDB entry 1DQ4. Click on sheet of interest to get list of strands forming it: A, B, C,

There are 9 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
140 144first strand
Strand 2
A
170 175anti-parallel
Strand 3
A
88 97anti-parallel
Strand 4
A
179 180anti-parallel
Strand 5
A
88 97anti-parallel
Strand 6
A
208 216anti-parallel
Strand 7
A
5 10anti-parallel
Strand 8
A
24 29anti-parallel
Strand 9
A
36 39anti-parallel
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There are 20 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
72 78first strand
Strand 2
A
60 66anti-parallel
Strand 3
A
47 55anti-parallel
Strand 4
A
186 198anti-parallel
Strand 5
A
105 117anti-parallel
Strand 6
A
154 155anti-parallel
Strand 7
A
147 148anti-parallel
Strand 8
A
154 155anti-parallel
Strand 9
A
105 117anti-parallel
Strand 10
A
123 130anti-parallel
Strand 11
B
123 130anti-parallel
Strand 12
B
105 117anti-parallel
Strand 13
B
154 155anti-parallel
Strand 14
B
147 148anti-parallel
Strand 15
B
154 155anti-parallel
Strand 16
B
105 117anti-parallel
Strand 17
B
186 198anti-parallel
Strand 18
B
47 55anti-parallel
Strand 19
B
60 66anti-parallel
Strand 20
B
72 78anti-parallel
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There are 9 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
140 144first strand
Strand 2
B
170 175anti-parallel
Strand 3
B
88 97anti-parallel
Strand 4
B
179 180anti-parallel
Strand 5
B
88 97anti-parallel
Strand 6
B
208 216anti-parallel
Strand 7
B
5 10anti-parallel
Strand 8
B
24 29anti-parallel
Strand 9
B
36 39anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il