Analysis of interatomic Contacts of Structural Units in PDB entry:
2PEX


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 2PEX entry

There are 2 chains in PDB entry 2PEX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 10ALA 152
B
 ALA 9ALA 152
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 19 helices in PDB entry 2PEX. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
12 19Right-handed 310
Helix 2
2
A
20 40Right-handed alpha
Helix 3
3
A
46 59Right-handed alpha
Helix 4
4
A
64 72Right-handed alpha
Helix 5
5
A
74 88Right-handed alpha
Helix 6
6
A
108 114Right-handed alpha
Helix 7
7
A
115 118Right-handed 310
Helix 8
8
A
120 130Right-handed alpha
Helix 9
9
A
132 151Right-handed alpha
Helix 10
10
B
10 15Right-handed alpha
Helix 11
11
B
16 19Right-handed 310
Helix 12
12
B
20 40Right-handed alpha
Helix 13
13
B
41 43Right-handed 310
Helix 14
14
B
46 59Right-handed alpha
Helix 15
15
B
63 72Right-handed alpha
Helix 16
16
B
74 88Right-handed alpha
Helix 17
17
B
108 119Right-handed alpha
Helix 18
18
B
119 130Right-handed alpha
Helix 19
19
B
132 152Right-handed alpha
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There are 2 sheets in PDB entry 2PEX. Click on sheet of interest to get list of strands forming it: A, B,

There are 3 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
62 63first strand
Strand 2
A
104 107anti-parallel
Strand 3
A
91 94anti-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
B
91 93first strand
Strand 2
B
105 107anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il