Analysis of interatomic Contacts of Structural Units in PDB entry:
1EX3


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 1EX3 entry

There is 1 chain in PDB entry 1EX3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 CYS 1ASN 245
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 1EX3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
11 16Right-handed 310
Helix 2
2
A
57 59Right-handed 310
Helix 3
3
A
141 146Right-handed 310
Helix 4
4
A
164 173Right-handed alpha
Helix 5
5
A
174 176Right-handed 310
Helix 6
6
A
230 244Right-handed alpha
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There are 2 sheets in PDB entry 1EX3. Click on sheet of interest to get list of strands forming it: A, B,

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
20 21first strand
Strand 2
A
156 161anti-parallel
Strand 3
A
135 140anti-parallel
Strand 4
A
198 201anti-parallel
Strand 5
A
208 216anti-parallel
Strand 6
A
225 229anti-parallel
Strand 7
A
180 184anti-parallel
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There are 7 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
30 34first strand
Strand 2
A
40 46anti-parallel
Strand 3
A
51 55anti-parallel
Strand 4
A
103 108anti-parallel
Strand 5
A
81 90anti-parallel
Strand 6
A
65 68anti-parallel
Strand 7
A
30 34anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il