Analysis of interatomic Contacts of Structural Units in PDB entry:
1PP3


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 1PP3 entry

There are 2 chains in PDB entry 1PP3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1ALA 207
B
 ALA 1ALA 207
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 8 helices in PDB entry 1PP3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
135 139Right-handed 310
Helix 2
2
A
147 153Right-handed alpha
Helix 3
3
A
154 159Right-handed alpha
Helix 4
4
A
167 177Right-handed alpha
Helix 5
5
B
135 139Right-handed 310
Helix 6
6
B
147 153Right-handed alpha
Helix 7
7
B
154 159Right-handed alpha
Helix 8
8
B
167 177Right-handed alpha
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There are 6 sheets in PDB entry 1PP3. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 5 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
36 40first strand
Strand 2
A
2 7anti-parallel
Strand 3
A
199 203parallel
Strand 4
A
112 116anti-parallel
Strand 5
A
124 126anti-parallel
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There are 6 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
23 31first strand
Strand 2
A
13 18anti-parallel
Strand 3
A
48 58anti-parallel
Strand 4
A
87 94anti-parallel
Strand 5
A
97 103anti-parallel
Strand 6
A
180 181parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
64 68first strand
Strand 2
A
48 58anti-parallel
Strand 3
A
87 94anti-parallel
Strand 4
A
97 103anti-parallel
Strand 5
A
191 194anti-parallel
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There are 5 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
36 40first strand
Strand 2
B
2 7anti-parallel
Strand 3
B
199 203parallel
Strand 4
B
112 116anti-parallel
Strand 5
B
124 126anti-parallel
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There are 6 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
23 31first strand
Strand 2
B
13 18anti-parallel
Strand 3
B
48 51anti-parallel
Strand 4
B
87 94anti-parallel
Strand 5
B
97 103anti-parallel
Strand 6
B
191 194anti-parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
54 58first strand
Strand 2
B
64 68anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il