Analysis of interatomic Contacts of Structural Units in PDB entry:
4QDS


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 4QDS entry

There are 2 chains in PDB entry 4QDS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 272SER 453
B
 PHE 275SER 453
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 4QDS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
289 291Right-handed 310
Helix 2
2
A
305 309Right-handed 310
Helix 3
3
A
430 432Right-handed 310
Helix 4
4
A
433 452Right-handed alpha
Helix 5
5
B
289 291Right-handed 310
Helix 6
6
B
305 309Right-handed 310
Helix 7
7
B
430 432Right-handed 310
Helix 8
8
B
433 452Right-handed alpha
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There are 8 sheets in PDB entry 4QDS. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 6 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
279 280first strand
Strand 2
A
421 428anti-parallel
Strand 3
A
329 345anti-parallel
Strand 4
A
394 415anti-parallel
Strand 5
A
355 366anti-parallel
Strand 6
A
384 385anti-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
293 295first strand
Strand 2
A
329 345anti-parallel
Strand 3
A
394 415anti-parallel
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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
347 348first strand
Strand 2
A
355 366anti-parallel
Strand 3
A
373 374anti-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
376 377first strand
Strand 2
A
380 381anti-parallel
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There are 6 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
279 280first strand
Strand 2
B
421 428anti-parallel
Strand 3
B
329 345anti-parallel
Strand 4
B
394 415anti-parallel
Strand 5
B
355 366anti-parallel
Strand 6
B
384 385anti-parallel
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There are 3 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
293 295first strand
Strand 2
B
329 345anti-parallel
Strand 3
B
394 415anti-parallel
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There are 3 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
347 348first strand
Strand 2
B
355 366anti-parallel
Strand 3
B
373 374anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
376 377first strand
Strand 2
B
380 381anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il