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


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 1XTO entry

There is 1 chain in PDB entry 1XTO (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 1LEU 304
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 13 helices in PDB entry 1XTO. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
21 29Right-handed alpha
Helix 2
2
A
59 66Right-handed alpha
Helix 3
3
A
67 71Right-handed 310
Helix 4
4
A
90 95Right-handed alpha
Helix 5
5
A
96 104Right-handed 310
Helix 6
6
A
111 118Right-handed alpha
Helix 7
7
A
123 129Right-handed alpha
Helix 8
8
A
204 212Right-handed alpha
Helix 9
9
A
227 232Right-handed alpha
Helix 10
10
A
252 257Right-handed alpha
Helix 11
11
A
258 260Right-handed 310
Helix 12
12
A
274 278Right-handed 310
Helix 13
13
A
281 290Right-handed alpha
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There are 2 sheets in PDB entry 1XTO. Click on sheet of interest to get list of strands forming it: A, B,

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
135 139first strand
Strand 2
A
106 110parallel
Strand 3
A
81 85parallel
Strand 4
A
51 54parallel
Strand 5
A
41 45anti-parallel
Strand 6
A
2 7anti-parallel
Strand 7
A
300 302anti-parallel
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There are 6 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
154 160first strand
Strand 2
A
181 187anti-parallel
Strand 3
A
193 197anti-parallel
Strand 4
A
216 220parallel
Strand 5
A
264 268parallel
Strand 6
A
292 294parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il