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


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 1XAO entry

There are 2 chains in PDB entry 1XAO (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 258ALA 378
B
 SER 258ALA 378
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 1XAO. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
274 280Right-handed alpha
Helix 2
2
A
342 353Right-handed alpha
Helix 3
3
B
274 280Right-handed alpha
Helix 4
4
B
342 353Right-handed alpha
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There are 4 sheets in PDB entry 1XAO. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
260 262first strand
Strand 2
A
265 273anti-parallel
Strand 3
A
327 334parallel
Strand 4
A
308 311anti-parallel
Strand 5
B
373 374anti-parallel
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There are 3 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
281 286first strand
Strand 2
A
292 297anti-parallel
Strand 3
B
367 370parallel
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There are 3 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
367 371first strand
Strand 2
B
292 297parallel
Strand 3
B
281 286anti-parallel
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There are 5 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
373 374first strand
Strand 2
B
308 311anti-parallel
Strand 3
B
327 334anti-parallel
Strand 4
B
265 273parallel
Strand 5
B
260 262anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il