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


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 1PEK entry

There are 3 chains in PDB entry 1PEK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
E
 ALA 1ALA 279
C
 PRO 1PHE 4
D
 ALA 6ALA 6
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 1PEK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
E
7 15Right-handed alpha
Helix 2
2
E
68 79Right-handed alpha
Helix 3
3
E
103 121Right-handed alpha
Helix 4
4
E
138 153Right-handed alpha
Helix 5
5
E
222 242Right-handed alpha
Helix 6
6
E
244 256Right-handed alpha
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There are 2 sheets in PDB entry 1PEK. Click on sheet of interest to get list of strands forming it: 1, 2,

There are 2 strands in 1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
1 6first strand
Strand 2
E
21 25anti-parallel
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There are 9 strands in 2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
52 59first strand
Strand 2
E
89 95parallel
Strand 3
E
33 39parallel
Strand 4
E
127 131parallel
Strand 5
E
153 159parallel
Strand 6
E
178 184parallel
Strand 7
E
201 205parallel
Strand 8
E
256 259anti-parallel
Strand 9
E
270 273parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il