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


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 1QEX entry

There are 2 chains in PDB entry 1QEX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1GLN 288
B
 MET 1GLN 288
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 7 helices in PDB entry 1QEX. 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 39Right-handed alpha
Helix 2
2
A
45 49Right-handed 310
Helix 3
3
A
74 76Right-handed 310
Helix 4
4
B
20 42Right-handed 310
Helix 5
5
B
45 49Right-handed 310
Helix 6
6
B
51 53Right-handed 310
Helix 7
7
B
73 76Right-handed 310
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There are 8 sheets in PDB entry 1QEX. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 4 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
84 86first strand
Strand 2
A
106 110parallel
Strand 3
A
144 152anti-parallel
Strand 4
A
159 166anti-parallel
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There are 3 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
94 98first strand
Strand 2
A
122 126parallel
Strand 3
A
137 139anti-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
A
176 180first strand
Strand 2
A
272 282anti-parallel
Strand 3
A
199 208anti-parallel
Strand 4
A
214 224anti-parallel
Strand 5
A
229 235anti-parallel
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There are 3 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
251 257first strand
Strand 2
A
260 266anti-parallel
Strand 3
A
186 193anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
84 86first strand
Strand 2
B
106 110parallel
Strand 3
B
144 152anti-parallel
Strand 4
B
159 166anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
94 98first strand
Strand 2
B
122 126parallel
Strand 3
B
137 139anti-parallel
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There are 5 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
176 180first strand
Strand 2
B
272 282anti-parallel
Strand 3
B
199 208anti-parallel
Strand 4
B
214 224anti-parallel
Strand 5
B
229 235anti-parallel
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There are 3 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
251 257first strand
Strand 2
B
260 266anti-parallel
Strand 3
B
186 193anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il