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


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 1PPG entry

There are 2 chains in PDB entry 1PPG (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
E
 ILE 16GLN 243
I
 ALA 2PRO 4
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 3 helices in PDB entry 1PPG. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
E
55 60Right-handed 310
Helix 2
2
E
63 64Right-handed 310
Helix 3
3
E
230 243Right-handed 310
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There are 2 sheets in PDB entry 1PPG. Click on sheet of interest to get list of strands forming it: B1, B2,

There are 7 strands in B1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
28 36first strand
Strand 2
E
38 49anti-parallel
Strand 3
E
50 54anti-parallel
Strand 4
E
98 109anti-parallel
Strand 5
E
74 97anti-parallel
Strand 6
E
66 73anti-parallel
Strand 7
E
28 36anti-parallel
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There are 7 strands in B2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
133 146first strand
Strand 2
E
147 163anti-parallel
Strand 3
E
181 184anti-parallel
Strand 4
E
226 229anti-parallel
Strand 5
E
207 215anti-parallel
Strand 6
E
197 202anti-parallel
Strand 7
E
133 146anti-parallel
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