Analysis of interatomic Contacts of Structural Units in PDB entry:
1I9S


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 1I9S entry

There is 1 chain in PDB entry 1I9S (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 5ASP 198
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 1I9S. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
32 36Right-handed 310
Helix 2
2
A
40 44Right-handed 310
Helix 3
3
A
46 57Right-handed alpha
Helix 4
4
A
76 81Right-handed alpha
Helix 5
5
A
99 111Right-handed alpha
Helix 6
6
A
130 146Right-handed alpha
Helix 7
7
A
148 160Right-handed alpha
Helix 8
8
A
166 178Right-handed alpha
Helix 9
9
A
179 183Right-handed 310
Helix 10
10
A
190 195Right-handed 310
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There is 1 sheet ( A) in PDB entry 1I9S.

There are 4 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
24 27first strand
Strand 2
A
121 125parallel
Strand 3
A
61 66parallel
Strand 4
A
85 88parallel
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