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


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 1QSC entry

There are 6 chains in PDB entry 1QSC (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 323LEU 501
B
 GLN 323LEU 501
C
 GLN 323LEU 501
D
 TYR 249THR 254
E
 TYR 249THR 254
F
 TYR 249THR 254
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 15 helices in PDB entry 1QSC. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
323 346Right-handed alpha
Helix 2
2
A
360 370Right-handed alpha
Helix 3
3
A
399 403Right-handed 310
Helix 4
4
A
418 422Right-handed 310
Helix 5
5
A
453 457Right-handed 310
Helix 6
6
B
323 348Right-handed alpha
Helix 7
7
B
360 370Right-handed alpha
Helix 8
8
B
399 403Right-handed 310
Helix 9
9
B
418 422Right-handed 310
Helix 10
10
B
453 457Right-handed 310
Helix 11
11
C
324 348Right-handed alpha
Helix 12
12
C
360 370Right-handed alpha
Helix 13
13
C
399 403Right-handed 310
Helix 14
14
C
418 422Right-handed 310
Helix 15
15
C
453 457Right-handed 310
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There are 9 sheets in PDB entry 1QSC. Click on sheet of interest to get list of strands forming it: A, B, B1, C, D, D1, E, F, F1,

There are 4 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
353 359first strand
Strand 2
A
489 496anti-parallel
Strand 3
A
430 434anti-parallel
Strand 4
A
443 447anti-parallel
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There are 5 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
251 252first strand
Strand 2
A
467 474anti-parallel
Strand 3
A
406 414anti-parallel
Strand 4
A
389 395anti-parallel
Strand 5
A
376 377anti-parallel
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There are 5 strands in B1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
251 252first strand
Strand 2
A
467 474anti-parallel
Strand 3
A
406 414anti-parallel
Strand 4
A
389 395anti-parallel
Strand 5
A
381 382anti-parallel
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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
353 359first strand
Strand 2
B
489 496anti-parallel
Strand 3
B
430 434anti-parallel
Strand 4
B
443 447anti-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
E
251 252first strand
Strand 2
B
467 474anti-parallel
Strand 3
B
406 414anti-parallel
Strand 4
B
389 395anti-parallel
Strand 5
B
376 377anti-parallel
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There are 5 strands in D1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
251 252first strand
Strand 2
B
467 474anti-parallel
Strand 3
B
406 414anti-parallel
Strand 4
B
389 395anti-parallel
Strand 5
B
381 382anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
353 359first strand
Strand 2
C
489 496anti-parallel
Strand 3
C
430 434anti-parallel
Strand 4
C
443 447anti-parallel
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There are 5 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
251 252first strand
Strand 2
C
467 474anti-parallel
Strand 3
C
406 414anti-parallel
Strand 4
C
389 395anti-parallel
Strand 5
C
376 377anti-parallel
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There are 5 strands in F1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
251 252first strand
Strand 2
C
467 474anti-parallel
Strand 3
C
406 414anti-parallel
Strand 4
C
389 395anti-parallel
Strand 5
C
381 382anti-parallel
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