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


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 2IWG entry

There are 4 chains in PDB entry 2IWG (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 237LEU 443
B
 HIS 2LEU 182
D
 GLY 237LEU 443
E
 HIS 2LEU 182
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 11 helices in PDB entry 2IWG. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
246 251Right-handed 310
Helix 2
2
A
309 315Right-handed alpha
Helix 3
3
A
354 360Right-handed 310
Helix 4
4
A
414 420Right-handed alpha
Helix 5
5
A
432 434Right-handed 310
Helix 6
6
D
246 251Right-handed 310
Helix 7
7
D
309 315Right-handed alpha
Helix 8
8
D
354 360Right-handed 310
Helix 9
9
D
414 420Right-handed alpha
Helix 10
10
D
432 434Right-handed 310
Helix 11
11
E
168 172Right-handed 310
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There are 15 sheets in PDB entry 2IWG. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, BA, BB, A, DB, C, DD, DE, EA, EB,

There are 4 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
239 243first strand
Strand 2
A
258 267anti-parallel
Strand 3
A
299 307anti-parallel
Strand 4
A
288 289anti-parallel
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There are 4 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
239 243first strand
Strand 2
A
258 267anti-parallel
Strand 3
A
299 307anti-parallel
Strand 4
A
293 295anti-parallel
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There are 4 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
283 284first strand
Strand 2
A
274 279anti-parallel
Strand 3
A
319 324anti-parallel
Strand 4
A
332 336anti-parallel
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There are 4 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
347 351first strand
Strand 2
A
362 372anti-parallel
Strand 3
A
404 413anti-parallel
Strand 4
A
391 393anti-parallel
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There are 4 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
347 351first strand
Strand 2
A
362 372anti-parallel
Strand 3
A
404 413anti-parallel
Strand 4
A
397 398anti-parallel
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There are 4 strands in AF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
386 387first strand
Strand 2
A
378 383anti-parallel
Strand 3
A
423 428anti-parallel
Strand 4
A
436 441anti-parallel
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There are 7 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
17 19first strand
Strand 2
B
25 28anti-parallel
Strand 3
B
177 179anti-parallel
Strand 4
B
58 64anti-parallel
Strand 5
B
123 129anti-parallel
Strand 6
B
134 139anti-parallel
Strand 7
B
146 150anti-parallel
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There are 6 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
48 49first strand
Strand 2
B
159 164anti-parallel
Strand 3
B
71 77anti-parallel
Strand 4
B
94 100anti-parallel
Strand 5
B
104 107anti-parallel
Strand 6
B
113 115anti-parallel
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There are 4 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
239 243first strand
Strand 2
D
258 267anti-parallel
Strand 3
D
299 307anti-parallel
Strand 4
D
288 289anti-parallel
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There are 4 strands in DB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
239 243first strand
Strand 2
D
258 267anti-parallel
Strand 3
D
299 307anti-parallel
Strand 4
D
293 295anti-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
D
283 284first strand
Strand 2
D
274 279anti-parallel
Strand 3
D
319 324anti-parallel
Strand 4
D
332 336anti-parallel
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There are 7 strands in DD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
347 351first strand
Strand 2
D
362 372anti-parallel
Strand 3
D
404 413anti-parallel
Strand 4
D
391 393anti-parallel
Strand 5
D
404 413anti-parallel
Strand 6
D
397 398anti-parallel
Strand 7
D
404 413anti-parallel
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There are 4 strands in DE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
386 388first strand
Strand 2
D
378 383anti-parallel
Strand 3
D
423 428anti-parallel
Strand 4
D
436 441anti-parallel
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There are 7 strands in EA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
17 19first strand
Strand 2
E
25 28anti-parallel
Strand 3
E
177 179anti-parallel
Strand 4
E
58 64anti-parallel
Strand 5
E
123 129anti-parallel
Strand 6
E
134 139anti-parallel
Strand 7
E
146 150anti-parallel
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There are 6 strands in EB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
48 49first strand
Strand 2
E
159 164anti-parallel
Strand 3
E
71 77anti-parallel
Strand 4
E
94 100anti-parallel
Strand 5
E
104 107anti-parallel
Strand 6
E
113 114anti-parallel
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