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


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 4ISB entry

There are 2 chains in PDB entry 4ISB (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 9ALA 531
B
 LYS 4ALA 531
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 33 helices in PDB entry 4ISB. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
15 27Right-handed alpha
Helix 2
2
A
44 61Right-handed alpha
Helix 3
3
A
76 89Right-handed alpha
Helix 4
4
A
101 113Right-handed alpha
Helix 5
5
A
123 134Right-handed alpha
Helix 6
6
A
156 161Right-handed alpha
Helix 7
7
A
191 205Right-handed alpha
Helix 8
8
A
225 238Right-handed alpha
Helix 9
9
A
251 259Right-handed alpha
Helix 10
10
A
267 280Right-handed alpha
Helix 11
11
A
299 309Right-handed alpha
Helix 12
12
A
320 323Right-handed 310
Helix 13
13
A
334 342Right-handed alpha
Helix 14
14
A
391 398Right-handed alpha
Helix 15
15
A
436 446Right-handed alpha
Helix 16
16
A
482 495Right-handed alpha
Helix 17
17
A
521 530Right-handed alpha
Helix 18
18
B
15 27Right-handed alpha
Helix 19
19
B
44 61Right-handed alpha
Helix 20
20
B
76 90Right-handed alpha
Helix 21
21
B
101 113Right-handed alpha
Helix 22
22
B
156 160Right-handed 310
Helix 23
23
B
192 194Right-handed 310
Helix 24
24
B
195 204Right-handed alpha
Helix 25
25
B
225 238Right-handed alpha
Helix 26
26
B
251 260Right-handed alpha
Helix 27
27
B
267 282Right-handed alpha
Helix 28
28
B
299 309Right-handed alpha
Helix 29
29
B
334 342Right-handed alpha
Helix 30
30
B
391 398Right-handed alpha
Helix 31
31
B
436 446Right-handed alpha
Helix 32
32
B
482 495Right-handed alpha
Helix 33
33
B
521 531Right-handed alpha
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There are 10 sheets in PDB entry 4ISB. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 13 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
42 43first strand
Strand 2
A
31 34anti-parallel
Strand 3
A
241 243parallel
Strand 4
A
216 218parallel
Strand 5
A
263 266parallel
Strand 6
A
290 293parallel
Strand 7
A
312 319parallel
Strand 8
A
324 330anti-parallel
Strand 9
A
343 347anti-parallel
Strand 10
A
418 419anti-parallel
Strand 11
A
403 412anti-parallel
Strand 12
A
374 380anti-parallel
Strand 13
A
352 356anti-parallel
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There are 12 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
42 43first strand
Strand 2
A
31 34anti-parallel
Strand 3
A
241 243parallel
Strand 4
A
216 218parallel
Strand 5
A
263 266parallel
Strand 6
A
290 293parallel
Strand 7
A
312 319parallel
Strand 8
A
324 330anti-parallel
Strand 9
A
343 347anti-parallel
Strand 10
A
418 419anti-parallel
Strand 11
A
403 412anti-parallel
Strand 12
A
399 400anti-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
139 141first strand
Strand 2
A
116 119parallel
Strand 3
A
68 73parallel
Strand 4
A
92 97parallel
Strand 5
A
171 177parallel
Strand 6
A
185 190anti-parallel
Strand 7
A
387 388anti-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
428 429first strand
Strand 2
A
434 435anti-parallel
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There are 3 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
450 460first strand
Strand 2
A
464 473anti-parallel
Strand 3
A
505 509parallel
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There are 13 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
42 43first strand
Strand 2
B
31 34anti-parallel
Strand 3
B
241 243parallel
Strand 4
B
216 218parallel
Strand 5
B
263 266parallel
Strand 6
B
290 293parallel
Strand 7
B
312 319parallel
Strand 8
B
324 330anti-parallel
Strand 9
B
343 347anti-parallel
Strand 10
B
418 419anti-parallel
Strand 11
B
403 412anti-parallel
Strand 12
B
374 380anti-parallel
Strand 13
B
352 356anti-parallel
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There are 12 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
42 43first strand
Strand 2
B
31 34anti-parallel
Strand 3
B
241 243parallel
Strand 4
B
216 218parallel
Strand 5
B
263 266parallel
Strand 6
B
290 293parallel
Strand 7
B
312 319parallel
Strand 8
B
324 330anti-parallel
Strand 9
B
343 347anti-parallel
Strand 10
B
418 419anti-parallel
Strand 11
B
403 412anti-parallel
Strand 12
B
399 400anti-parallel
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There are 7 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
139 141first strand
Strand 2
B
116 119parallel
Strand 3
B
68 73parallel
Strand 4
B
92 97parallel
Strand 5
B
171 177parallel
Strand 6
B
185 190anti-parallel
Strand 7
B
387 388anti-parallel
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There are 2 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
428 430first strand
Strand 2
B
433 435anti-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
450 460first strand
Strand 2
B
464 473anti-parallel
Strand 3
B
503 509parallel
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