Analysis of interatomic Contacts of Structural Units in PDB entry:
4NK2


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 4NK2 entry

There are 2 chains in PDB entry 4NK2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 30SER 193
B
 ALA 30SER 193
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 17 helices in PDB entry 4NK2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
52 76Right-handed alpha
Helix 2
2
A
79 83Right-handed 310
Helix 3
3
A
86 105Right-handed alpha
Helix 4
4
A
119 125Right-handed alpha
Helix 5
5
A
130 148Right-handed alpha
Helix 6
6
A
154 166Right-handed alpha
Helix 7
7
A
167 170Right-handed 310
Helix 8
8
A
183 193Right-handed alpha
Helix 9
9
B
52 76Right-handed alpha
Helix 10
10
B
79 83Right-handed 310
Helix 11
11
B
86 105Right-handed alpha
Helix 12
12
B
119 125Right-handed alpha
Helix 13
13
B
130 148Right-handed alpha
Helix 14
14
B
151 166Right-handed alpha
Helix 15
15
B
167 170Right-handed 310
Helix 16
16
B
183 188Right-handed alpha
Helix 17
17
B
189 191Right-handed 310
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There are 2 sheets in PDB entry 4NK2. Click on sheet of interest to get list of strands forming it: A, B,

There are 2 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
35 36first strand
Strand 2
B
47 48anti-parallel
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There are 2 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
47 48first strand
Strand 2
B
35 36anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il