Analysis of interatomic Contacts of Structural Units in PDB entry:
2ISN


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 2ISN entry

There are 2 chains in PDB entry 2ISN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 3VAL 347
B
 LYS 3VAL 347
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 18 helices in PDB entry 2ISN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
55 70Right-handed alpha
Helix 2
2
A
76 96Right-handed alpha
Helix 3
3
A
137 148Right-handed alpha
Helix 4
4
A
205 215Right-handed alpha
Helix 5
5
A
240 243Right-handed 310
Helix 6
6
A
249 253Right-handed 310
Helix 7
7
A
276 281Right-handed alpha
Helix 8
8
A
286 301Right-handed alpha
Helix 9
9
A
304 319Right-handed alpha
Helix 10
10
B
55 70Right-handed alpha
Helix 11
11
B
76 96Right-handed alpha
Helix 12
12
B
137 148Right-handed alpha
Helix 13
13
B
205 215Right-handed alpha
Helix 14
14
B
240 243Right-handed 310
Helix 15
15
B
249 253Right-handed 310
Helix 16
16
B
276 281Right-handed alpha
Helix 17
17
B
286 301Right-handed alpha
Helix 18
18
B
304 319Right-handed alpha
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There are 8 sheets in PDB entry 2ISN. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 11 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
194 196first strand
Strand 2
A
184 188anti-parallel
Strand 3
A
271 275anti-parallel
Strand 4
A
325 332anti-parallel
Strand 5
A
13 20anti-parallel
Strand 6
A
4 10anti-parallel
Strand 7
A
341 346anti-parallel
Strand 8
B
29 35anti-parallel
Strand 9
B
43 52anti-parallel
Strand 10
B
102 103anti-parallel
Strand 11
B
237 238anti-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
194 196first strand
Strand 2
A
184 188anti-parallel
Strand 3
A
271 275anti-parallel
Strand 4
A
325 332anti-parallel
Strand 5
A
13 20anti-parallel
Strand 6
A
4 10anti-parallel
Strand 7
A
341 346anti-parallel
Strand 8
B
29 35anti-parallel
Strand 9
B
43 52anti-parallel
Strand 10
B
105 112anti-parallel
Strand 11
B
173 180anti-parallel
Strand 12
B
260 266anti-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
237 238first strand
Strand 2
A
102 103anti-parallel
Strand 3
A
43 52anti-parallel
Strand 4
A
105 112anti-parallel
Strand 5
A
173 180anti-parallel
Strand 6
A
260 266anti-parallel
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There are 11 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
237 238first strand
Strand 2
A
102 103anti-parallel
Strand 3
A
43 52anti-parallel
Strand 4
A
29 34anti-parallel
Strand 5
B
341 346anti-parallel
Strand 6
B
4 10anti-parallel
Strand 7
B
13 20anti-parallel
Strand 8
B
325 332anti-parallel
Strand 9
B
271 275anti-parallel
Strand 10
B
184 188anti-parallel
Strand 11
B
194 196anti-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
125 126first strand
Strand 2
A
117 122anti-parallel
Strand 3
A
164 168anti-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
A
219 221first strand
Strand 2
A
225 227anti-parallel
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There are 3 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
125 126first strand
Strand 2
B
117 122anti-parallel
Strand 3
B
164 168anti-parallel
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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
219 221first strand
Strand 2
B
225 227anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il