Analysis of interatomic Contacts of Structural Units in PDB entry:
3ISM


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 3ISM entry

There are 3 chains in PDB entry 3ISM (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 67ALA 311
B
 SER 65ALA 311
C
 ALA 21GLU 353
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 37 helices in PDB entry 3ISM. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
71 77Right-handed alpha
Helix 2
2
A
123 127Right-handed 310
Helix 3
3
A
136 140Right-handed 310
Helix 4
4
A
142 147Right-handed alpha
Helix 5
5
A
158 162Right-handed 310
Helix 6
6
A
165 171Right-handed alpha
Helix 7
7
A
172 176Right-handed 310
Helix 8
8
A
189 201Right-handed alpha
Helix 9
9
A
202 204Right-handed 310
Helix 10
10
A
274 279Right-handed 310
Helix 11
11
A
281 290Right-handed alpha
Helix 12
12
B
69 77Right-handed alpha
Helix 13
13
B
112 117Right-handed alpha
Helix 14
14
B
123 127Right-handed 310
Helix 15
15
B
136 140Right-handed 310
Helix 16
16
B
142 147Right-handed alpha
Helix 17
17
B
158 162Right-handed 310
Helix 18
18
B
165 171Right-handed alpha
Helix 19
19
B
172 176Right-handed 310
Helix 20
20
B
189 201Right-handed alpha
Helix 21
21
B
202 204Right-handed 310
Helix 22
22
B
274 279Right-handed 310
Helix 23
23
B
281 290Right-handed alpha
Helix 24
24
B
298 302Right-handed 310
Helix 25
25
C
31 44Right-handed alpha
Helix 26
26
C
51 76Right-handed alpha
Helix 27
27
C
80 103Right-handed alpha
Helix 28
28
C
103 121Right-handed alpha
Helix 29
29
C
123 130Right-handed alpha
Helix 30
30
C
155 159Right-handed 310
Helix 31
31
C
167 174Right-handed alpha
Helix 32
32
C
219 230Right-handed alpha
Helix 33
33
C
237 262Right-handed alpha
Helix 34
34
C
266 288Right-handed alpha
Helix 35
35
C
289 306Right-handed alpha
Helix 36
36
C
308 315Right-handed alpha
Helix 37
37
C
339 344Right-handed alpha
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There are 6 sheets in PDB entry 3ISM. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

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
87 89first strand
Strand 2
A
94 98anti-parallel
Strand 3
A
103 111anti-parallel
Strand 4
A
207 215anti-parallel
Strand 5
A
243 251anti-parallel
Strand 6
A
257 265anti-parallel
Strand 7
A
304 305parallel
Strand 8
A
308 309anti-parallel
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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
152 155first strand
Strand 2
A
178 181anti-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
A
218 220first strand
Strand 2
A
226 233anti-parallel
Strand 3
B
226 233anti-parallel
Strand 4
B
219 220anti-parallel
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There are 4 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
238 239first strand
Strand 2
A
226 233anti-parallel
Strand 3
B
226 233anti-parallel
Strand 4
B
238 239anti-parallel
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There are 8 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
87 89first strand
Strand 2
B
94 98anti-parallel
Strand 3
B
103 111anti-parallel
Strand 4
B
207 215anti-parallel
Strand 5
B
243 251anti-parallel
Strand 6
B
257 265anti-parallel
Strand 7
B
304 305parallel
Strand 8
B
308 309anti-parallel
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There are 2 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
152 155first strand
Strand 2
B
178 181anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il