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


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 1XSR entry

There are 2 chains in PDB entry 1XSR (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 1ALA 160
B
 MSE 1ALA 160
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 4 helices in PDB entry 1XSR. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
9 14Right-handed alpha
Helix 2
2
A
101 105Right-handed 310
Helix 3
3
B
9 14Right-handed alpha
Helix 4
4
B
101 105Right-handed 310
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There are 5 sheets in PDB entry 1XSR. Click on sheet of interest to get list of strands forming it: A, B, C, D, E,

There are 5 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
123 124first strand
Strand 2
A
90 94anti-parallel
Strand 3
A
106 109anti-parallel
Strand 4
A
2 7parallel
Strand 5
A
156 158parallel
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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
17 20first strand
Strand 2
A
115 118anti-parallel
Strand 3
A
79 83anti-parallel
Strand 4
A
134 140anti-parallel
Strand 5
A
53 59anti-parallel
Strand 6
B
35 38anti-parallel
Strand 7
B
28 30anti-parallel
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There are 7 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
28 30first strand
Strand 2
A
35 38anti-parallel
Strand 3
B
53 59anti-parallel
Strand 4
B
134 140anti-parallel
Strand 5
B
79 83anti-parallel
Strand 6
B
115 118anti-parallel
Strand 7
B
17 20anti-parallel
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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
70 73first strand
Strand 2
A
148 151anti-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
2 7first strand
Strand 2
B
106 109parallel
Strand 3
B
90 94anti-parallel
Strand 4
B
123 124anti-parallel
Strand 5
B
67 73anti-parallel
Strand 6
B
148 158anti-parallel
Strand 7
B
2 7parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il