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


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 1XQB entry

There are 2 chains in PDB entry 1XQB (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 1GLU 231
B
 MSE 1GLU 231
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 1XQB. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
18 22Right-handed 310
Helix 2
2
A
50 54Right-handed 310
Helix 3
3
A
87 91Right-handed 310
Helix 4
4
A
139 144Right-handed alpha
Helix 5
5
A
166 177Right-handed alpha
Helix 6
6
B
18 22Right-handed 310
Helix 7
7
B
50 54Right-handed 310
Helix 8
8
B
87 91Right-handed 310
Helix 9
9
B
139 144Right-handed alpha
Helix 10
10
B
166 177Right-handed alpha
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There are 7 sheets in PDB entry 1XQB. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G,

There are 2 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
4 6first strand
Strand 2
B
4 6anti-parallel
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There are 7 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
10 13first strand
Strand 2
A
33 38anti-parallel
Strand 3
A
116 123anti-parallel
Strand 4
A
100 113anti-parallel
Strand 5
A
56 62anti-parallel
Strand 6
A
131 137anti-parallel
Strand 7
A
10 13anti-parallel
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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
163 165first strand
Strand 2
A
225 227parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
210 213first strand
Strand 2
A
216 219anti-parallel
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There are 7 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
10 13first strand
Strand 2
B
33 38anti-parallel
Strand 3
B
116 123anti-parallel
Strand 4
B
100 113anti-parallel
Strand 5
B
56 62anti-parallel
Strand 6
B
131 137anti-parallel
Strand 7
B
10 13anti-parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
163 165first strand
Strand 2
B
225 227parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
210 213first strand
Strand 2
B
216 219anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il