Analysis of interatomic Contacts of Structural Units in PDB entry:
2NPN


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 2NPN entry

There is 1 chain in PDB entry 2NPN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 0ASP 250
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 10 helices in PDB entry 2NPN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
13 17Right-handed 310
Helix 2
2
A
18 28Right-handed alpha
Helix 3
3
A
40 55Right-handed alpha
Helix 4
4
A
76 98Right-handed alpha
Helix 5
5
A
117 130Right-handed alpha
Helix 6
6
A
142 152Right-handed alpha
Helix 7
7
A
169 173Right-handed 310
Helix 8
8
A
176 178Right-handed 310
Helix 9
9
A
190 195Right-handed alpha
Helix 10
10
A
219 238Right-handed alpha
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There are 2 sheets in PDB entry 2NPN. Click on sheet of interest to get list of strands forming it: A, B,

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
60 63first strand
Strand 2
A
30 34parallel
Strand 3
A
103 108parallel
Strand 4
A
2 8parallel
Strand 5
A
133 138parallel
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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
163 166first strand
Strand 2
A
180 184parallel
Strand 3
A
242 248anti-parallel
Strand 4
A
199 205anti-parallel
Strand 5
A
213 218anti-parallel
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