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


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 4NSO entry

There are 2 chains in PDB entry 4NSO (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 816HIS 1012
B
 THR 31LEU 124
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 4NSO. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
820 822Right-handed 310
Helix 2
2
A
823 828Right-handed alpha
Helix 3
3
A
858 867Right-handed alpha
Helix 4
4
A
869 874Right-handed 310
Helix 5
5
A
880 894Right-handed alpha
Helix 6
6
A
894 910Right-handed alpha
Helix 7
7
A
910 921Right-handed alpha
Helix 8
8
A
929 944Right-handed alpha
Helix 9
9
A
948 954Right-handed alpha
Helix 10
10
A
963 978Right-handed alpha
Helix 11
11
A
978 983Right-handed alpha
Helix 12
12
A
986 988Right-handed 310
Helix 13
13
A
989 1012Right-handed alpha
Helix 14
14
B
34 59Right-handed alpha
Helix 15
15
B
69 84Right-handed alpha
Helix 16
16
B
85 88Right-handed 310
Helix 17
17
B
89 98Right-handed alpha
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There is 1 sheet ( A) in PDB entry 4NSO.

There are 3 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
836 838first strand
Strand 2
A
846 848anti-parallel
Strand 3
A
853 854anti-parallel
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