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


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 1PPB entry

There are 2 chains in PDB entry 1PPB (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
L
 THR 1ARG 15
H
 ILE 16GLU 247
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 9 helices in PDB entry 1PPB. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
L
14 14Right-handed alpha
Helix 2
2
H
56 59Right-handed 310
Helix 3
3
H
60 60Right-handed 310
Helix 4
4
H
126 129Right-handed alpha
Helix 5
5
H
165 169Right-handed alpha
Helix 6
6
H
169 171Right-handed 310
Helix 7
7
H
231 237Right-handed 310
Helix 8
8
H
238 242Right-handed alpha
Helix 9
9
H
241 244Right-handed 310
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There are 2 sheets in PDB entry 1PPB. 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
H
28 36first strand
Strand 2
H
37 49anti-parallel
Strand 3
H
50 54anti-parallel
Strand 4
H
99 109anti-parallel
Strand 5
H
81 95anti-parallel
Strand 6
H
66 68anti-parallel
Strand 7
H
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
H
133 144first strand
Strand 2
H
150 162anti-parallel
Strand 3
H
179 184anti-parallel
Strand 4
H
226 230anti-parallel
Strand 5
H
206 213anti-parallel
Strand 6
H
196 203anti-parallel
Strand 7
H
133 144anti-parallel
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