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


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 3EXW entry

There are 3 chains in PDB entry 3EXW (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 128ASP 325
B
 ASP 128ASP 325
C
 ASP 128ASP 325
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 16 helices in PDB entry 3EXW. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
128 131Right-handed 310
Helix 2
2
A
179 184Right-handed alpha
Helix 3
3
A
185 188Right-handed 310
Helix 4
4
A
231 236Right-handed 310
Helix 5
5
A
246 252Right-handed 310
Helix 6
6
B
129 131Right-handed 310
Helix 7
7
B
179 184Right-handed alpha
Helix 8
8
B
185 188Right-handed 310
Helix 9
9
B
231 236Right-handed 310
Helix 10
10
B
246 252Right-handed 310
Helix 11
11
C
128 131Right-handed 310
Helix 12
12
C
179 184Right-handed alpha
Helix 13
13
C
185 188Right-handed 310
Helix 14
14
C
231 236Right-handed 310
Helix 15
15
C
246 252Right-handed 310
Helix 16
16
C
304 308Right-handed 310
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There are 9 sheets in PDB entry 3EXW. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I,

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
133 135first strand
Strand 2
A
156 165anti-parallel
Strand 3
A
168 177anti-parallel
Strand 4
A
316 321anti-parallel
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There are 4 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
190 199first strand
Strand 2
A
288 297anti-parallel
Strand 3
A
268 277anti-parallel
Strand 4
A
254 262anti-parallel
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There are 2 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
219 220first strand
Strand 2
A
223 224anti-parallel
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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
B
133 135first strand
Strand 2
B
156 165anti-parallel
Strand 3
B
168 177anti-parallel
Strand 4
B
316 321anti-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
190 199first strand
Strand 2
B
288 297anti-parallel
Strand 3
B
268 277anti-parallel
Strand 4
B
254 262anti-parallel
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There are 2 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
219 220first strand
Strand 2
B
223 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
C
133 135first strand
Strand 2
C
156 165anti-parallel
Strand 3
C
168 177anti-parallel
Strand 4
C
316 321anti-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
C
190 199first strand
Strand 2
C
288 297anti-parallel
Strand 3
C
268 277anti-parallel
Strand 4
C
254 262anti-parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
219 220first strand
Strand 2
C
223 224anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il