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


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 2IIQ entry

There are 2 chains in PDB entry 2IIQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 25LEU 412
B
 MET 25LEU 412
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 44 helices in PDB entry 2IIQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
36 49Right-handed alpha
Helix 2
2
A
67 72Right-handed alpha
Helix 3
3
A
89 96Right-handed alpha
Helix 4
4
A
112 126Right-handed alpha
Helix 5
5
A
142 151Right-handed alpha
Helix 6
6
A
156 170Right-handed alpha
Helix 7
7
A
181 186Right-handed alpha
Helix 8
8
A
187 192Right-handed 310
Helix 9
9
A
201 208Right-handed alpha
Helix 10
10
A
211 219Right-handed alpha
Helix 11
11
A
228 233Right-handed 310
Helix 12
12
A
234 245Right-handed alpha
Helix 13
13
A
248 255Right-handed alpha
Helix 14
14
A
276 293Right-handed alpha
Helix 15
15
A
315 325Right-handed alpha
Helix 16
16
A
336 343Right-handed alpha
Helix 17
17
A
355 361Right-handed 310
Helix 18
18
A
362 364Right-handed 310
Helix 19
19
A
379 384Right-handed alpha
Helix 20
20
A
386 396Right-handed alpha
Helix 21
21
A
399 401Right-handed 310
Helix 22
22
A
407 409Right-handed 310
Helix 23
23
B
36 49Right-handed alpha
Helix 24
24
B
67 72Right-handed alpha
Helix 25
25
B
89 97Right-handed alpha
Helix 26
26
B
112 127Right-handed alpha
Helix 27
27
B
142 151Right-handed alpha
Helix 28
28
B
156 175Right-handed alpha
Helix 29
29
B
181 186Right-handed alpha
Helix 30
30
B
187 192Right-handed 310
Helix 31
31
B
201 208Right-handed alpha
Helix 32
32
B
211 219Right-handed alpha
Helix 33
33
B
228 233Right-handed alpha
Helix 34
34
B
234 245Right-handed alpha
Helix 35
35
B
248 255Right-handed alpha
Helix 36
36
B
276 293Right-handed alpha
Helix 37
37
B
315 325Right-handed alpha
Helix 38
38
B
336 343Right-handed alpha
Helix 39
39
B
355 361Right-handed 310
Helix 40
40
B
362 364Right-handed 310
Helix 41
41
B
379 385Right-handed alpha
Helix 42
42
B
386 395Right-handed alpha
Helix 43
43
B
399 401Right-handed 310
Helix 44
44
B
407 409Right-handed 310
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There are 6 sheets in PDB entry 2IIQ. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 7 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
77 79first strand
Strand 2
A
57 61parallel
Strand 3
A
26 33parallel
Strand 4
A
102 109parallel
Strand 5
A
131 139parallel
Strand 6
A
195 199parallel
Strand 7
A
222 224parallel
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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
82 83first strand
Strand 2
A
86 87anti-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
328 331first strand
Strand 2
A
305 309parallel
Strand 3
A
261 265parallel
Strand 4
A
349 353parallel
Strand 5
A
366 371parallel
Strand 6
A
403 405parallel
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There are 7 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
77 79first strand
Strand 2
B
57 61parallel
Strand 3
B
26 33parallel
Strand 4
B
102 109parallel
Strand 5
B
131 139parallel
Strand 6
B
195 199parallel
Strand 7
B
222 224parallel
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There are 2 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
82 83first strand
Strand 2
B
86 87anti-parallel
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There are 6 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
329 331first strand
Strand 2
B
304 309parallel
Strand 3
B
260 265parallel
Strand 4
B
349 353parallel
Strand 5
B
366 371parallel
Strand 6
B
403 405parallel
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