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


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 4PSR entry

There are 2 chains in PDB entry 4PSR (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 5ILE 585
B
 ALA 3ILE 585
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 38 helices in PDB entry 4PSR. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
10 15Right-handed alpha
Helix 2
2
A
21 28Right-handed alpha
Helix 3
3
A
36 40Right-handed 310
Helix 4
4
A
47 52Right-handed alpha
Helix 5
5
A
57 67Right-handed alpha
Helix 6
6
A
75 81Right-handed alpha
Helix 7
7
A
96 100Right-handed 310
Helix 8
8
A
104 115Right-handed alpha
Helix 9
9
A
150 162Right-handed alpha
Helix 10
10
A
173 177Right-handed 310
Helix 11
11
A
188 195Right-handed alpha
Helix 12
12
A
199 219Right-handed alpha
Helix 13
13
A
245 264Right-handed alpha
Helix 14
14
A
321 335Right-handed alpha
Helix 15
15
A
352 370Right-handed alpha
Helix 16
16
A
371 373Right-handed 310
Helix 17
17
A
432 435Right-handed 310
Helix 18
18
A
525 533Right-handed alpha
Helix 19
19
A
535 539Right-handed 310
Helix 20
20
B
10 15Right-handed alpha
Helix 21
21
B
21 28Right-handed alpha
Helix 22
22
B
36 40Right-handed 310
Helix 23
23
B
47 52Right-handed alpha
Helix 24
24
B
57 67Right-handed alpha
Helix 25
25
B
75 81Right-handed alpha
Helix 26
26
B
96 100Right-handed 310
Helix 27
27
B
104 115Right-handed alpha
Helix 28
28
B
150 162Right-handed alpha
Helix 29
29
B
173 177Right-handed 310
Helix 30
30
B
188 195Right-handed alpha
Helix 31
31
B
199 219Right-handed alpha
Helix 32
32
B
245 264Right-handed alpha
Helix 33
33
B
321 335Right-handed alpha
Helix 34
34
B
352 370Right-handed alpha
Helix 35
35
B
371 373Right-handed 310
Helix 36
36
B
432 439Right-handed 310
Helix 37
37
B
525 532Right-handed alpha
Helix 38
38
B
535 539Right-handed 310
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There are 12 sheets in PDB entry 4PSR. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 9 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
29 33first strand
Strand 2
A
119 125parallel
Strand 3
A
165 170parallel
Strand 4
A
222 225parallel
Strand 5
A
268 272parallel
Strand 6
A
284 287parallel
Strand 7
A
300 305parallel
Strand 8
A
337 343parallel
Strand 9
A
29 33parallel
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There are 2 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
82 83first strand
Strand 2
A
89 90anti-parallel
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There are 6 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
383 384first strand
Strand 2
A
405 409anti-parallel
Strand 3
A
415 420anti-parallel
Strand 4
A
485 491anti-parallel
Strand 5
A
445 451anti-parallel
Strand 6
A
458 460anti-parallel
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There are 3 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
428 431first strand
Strand 2
A
471 474anti-parallel
Strand 3
A
464 466anti-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
A
516 519first strand
Strand 2
A
504 507anti-parallel
Strand 3
A
541 544anti-parallel
Strand 4
A
568 571anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
522 524first strand
Strand 2
A
579 584anti-parallel
Strand 3
A
548 553anti-parallel
Strand 4
A
562 565anti-parallel
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There are 9 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
29 33first strand
Strand 2
B
119 125parallel
Strand 3
B
165 170parallel
Strand 4
B
222 225parallel
Strand 5
B
268 272parallel
Strand 6
B
284 287parallel
Strand 7
B
300 305parallel
Strand 8
B
337 343parallel
Strand 9
B
29 33parallel
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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
82 83first strand
Strand 2
B
89 90anti-parallel
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There are 6 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
383 384first strand
Strand 2
B
405 409anti-parallel
Strand 3
B
415 420anti-parallel
Strand 4
B
485 491anti-parallel
Strand 5
B
445 451anti-parallel
Strand 6
B
458 460anti-parallel
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There are 3 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
428 431first strand
Strand 2
B
471 474anti-parallel
Strand 3
B
464 466anti-parallel
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There are 4 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
516 519first strand
Strand 2
B
504 507anti-parallel
Strand 3
B
541 544anti-parallel
Strand 4
B
568 571anti-parallel
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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
522 524first strand
Strand 2
B
579 584anti-parallel
Strand 3
B
548 553anti-parallel
Strand 4
B
562 565anti-parallel
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