Analysis of interatomic Contacts of Structural Units in PDB entry:
1X87


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 1X87 entry

There are 2 chains in PDB entry 1X87 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 7LYS 551
B
 ALA 11LEU 550
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 40 helices in PDB entry 1X87. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
19 33Right-handed alpha
Helix 2
2
A
56 70Right-handed alpha
Helix 3
3
A
105 109Right-handed 310
Helix 4
4
A
137 156Right-handed alpha
Helix 5
5
A
173 175Right-handed 310
Helix 6
6
A
176 184Right-handed alpha
Helix 7
7
A
194 204Right-handed alpha
Helix 8
8
A
213 227Right-handed alpha
Helix 9
9
A
238 249Right-handed alpha
Helix 10
10
A
275 286Right-handed alpha
Helix 11
11
A
286 311Right-handed alpha
Helix 12
12
A
321 329Right-handed alpha
Helix 13
13
A
333 337Right-handed 310
Helix 14
14
A
339 344Right-handed alpha
Helix 15
15
A
345 351Right-handed alpha
Helix 16
16
A
364 379Right-handed alpha
Helix 17
17
A
382 396Right-handed alpha
Helix 18
18
A
411 426Right-handed alpha
Helix 19
19
A
463 477Right-handed alpha
Helix 20
20
A
506 531Right-handed alpha
Helix 21
21
A
533 544Right-handed alpha
Helix 22
22
B
19 33Right-handed alpha
Helix 23
23
B
56 70Right-handed alpha
Helix 24
24
B
137 156Right-handed alpha
Helix 25
25
B
175 184Right-handed alpha
Helix 26
26
B
194 204Right-handed alpha
Helix 27
27
B
213 227Right-handed alpha
Helix 28
28
B
238 249Right-handed alpha
Helix 29
29
B
275 286Right-handed alpha
Helix 30
30
B
286 311Right-handed alpha
Helix 31
31
B
321 330Right-handed alpha
Helix 32
32
B
331 337Right-handed 310
Helix 33
33
B
339 344Right-handed alpha
Helix 34
34
B
345 351Right-handed alpha
Helix 35
35
B
364 379Right-handed alpha
Helix 36
36
B
382 396Right-handed alpha
Helix 37
37
B
411 426Right-handed alpha
Helix 38
38
B
463 477Right-handed alpha
Helix 39
39
B
506 531Right-handed alpha
Helix 40
40
B
533 544Right-handed alpha
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There are 4 sheets in PDB entry 1X87. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 8 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
82 88first strand
Strand 2
A
74 79anti-parallel
Strand 3
A
96 103parallel
Strand 4
A
480 488parallel
Strand 5
A
492 503anti-parallel
Strand 6
A
433 437anti-parallel
Strand 7
A
354 360anti-parallel
Strand 8
A
403 408anti-parallel
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There are 6 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
209 211first strand
Strand 2
A
231 236parallel
Strand 3
A
187 192parallel
Strand 4
A
164 168parallel
Strand 5
A
255 256parallel
Strand 6
A
314 315parallel
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There are 8 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
82 88first strand
Strand 2
B
74 79anti-parallel
Strand 3
B
96 102parallel
Strand 4
B
480 488parallel
Strand 5
B
492 503anti-parallel
Strand 6
B
433 437anti-parallel
Strand 7
B
354 360anti-parallel
Strand 8
B
403 408anti-parallel
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There are 6 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
209 211first strand
Strand 2
B
231 236parallel
Strand 3
B
187 192parallel
Strand 4
B
164 168parallel
Strand 5
B
255 256parallel
Strand 6
B
314 315parallel
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