Analysis of interatomic Contacts of Structural Units in PDB entry:
4S1N


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 4S1N entry

There is 1 chain in PDB entry 4S1N (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 1THR 180
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 7 helices in PDB entry 4S1N. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
12 22Right-handed alpha
Helix 2
2
A
35 44Right-handed alpha
Helix 3
3
A
51 55Right-handed 310
Helix 4
4
A
57 72Right-handed alpha
Helix 5
5
A
87 92Right-handed alpha
Helix 6
6
A
113 122Right-handed alpha
Helix 7
7
A
155 179Right-handed alpha
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There is 1 sheet ( A) in PDB entry 4S1N.

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
47 49first strand
Strand 2
A
24 29parallel
Strand 3
A
4 7parallel
Strand 4
A
76 79parallel
Strand 5
A
98 102parallel
Strand 6
A
128 132anti-parallel
Strand 7
A
142 146anti-parallel
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