Analysis of interatomic Contacts of Structural Units in PDB entry:
4NPR


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 4NPR entry

There are 2 chains in PDB entry 4NPR (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 18ALA 238
B
 THR 20ALA 238
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 4NPR. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
42 46Right-handed 310
Helix 2
2
A
94 96Right-handed 310
Helix 3
3
A
192 203Right-handed alpha
Helix 4
4
B
42 46Right-handed 310
Helix 5
5
B
94 96Right-handed 310
Helix 6
6
B
192 204Right-handed alpha
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There are 6 sheets in PDB entry 4NPR. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 7 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
20 22first strand
Strand 2
A
48 59anti-parallel
Strand 3
A
62 72anti-parallel
Strand 4
A
210 235anti-parallel
Strand 5
A
82 86anti-parallel
Strand 6
A
34 37anti-parallel
Strand 7
A
28 31anti-parallel
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There are 5 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
100 123first strand
Strand 2
A
132 141anti-parallel
Strand 3
A
174 181parallel
Strand 4
A
162 171anti-parallel
Strand 5
A
158 159anti-parallel
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There are 4 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
91 92first strand
Strand 2
A
210 235anti-parallel
Strand 3
A
100 123anti-parallel
Strand 4
A
187 191anti-parallel
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There are 7 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
21 22first strand
Strand 2
B
48 59anti-parallel
Strand 3
B
62 72anti-parallel
Strand 4
B
210 235anti-parallel
Strand 5
B
82 86anti-parallel
Strand 6
B
34 37anti-parallel
Strand 7
B
28 31anti-parallel
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There are 5 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
100 123first strand
Strand 2
B
132 141anti-parallel
Strand 3
B
174 181parallel
Strand 4
B
162 171anti-parallel
Strand 5
B
158 159anti-parallel
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There are 4 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
91 92first strand
Strand 2
B
210 235anti-parallel
Strand 3
B
100 123anti-parallel
Strand 4
B
187 191anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il