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


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 1ETT entry

There are 2 chains in PDB entry 1ETT (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
L
 THR 1ARG 15
H
 ILE 16SER 247
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 8 helices in PDB entry 1ETT. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
L
14 14Right-handed alpha
Helix 2
2
H
55 59Right-handed 310
Helix 3
3
H
60 60Right-handed 310
Helix 4
4
H
125 129Right-handed alpha
Helix 5
5
H
164 169Right-handed alpha
Helix 6
6
H
168 172Right-handed 310
Helix 7
7
H
231 235Right-handed 310
Helix 8
8
H
234 243Right-handed alpha
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There are 2 sheets in PDB entry 1ETT. Click on sheet of interest to get list of strands forming it: S1, S2,

There are 7 strands in S1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
81 95first strand
Strand 2
H
100 109anti-parallel
Strand 3
H
52 54anti-parallel
Strand 4
H
39 46anti-parallel
Strand 5
H
29 35anti-parallel
Strand 6
H
66 68anti-parallel
Strand 7
H
81 95anti-parallel
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There are 7 strands in S2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
150 162first strand
Strand 2
H
134 144anti-parallel
Strand 3
H
199 203anti-parallel
Strand 4
H
206 215anti-parallel
Strand 5
H
226 229anti-parallel
Strand 6
H
181 183anti-parallel
Strand 7
H
150 162anti-parallel
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