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


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 2IIK entry

There are 2 chains in PDB entry 2IIK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 33PRO 423
B
 THR 21ASN 425
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 39 helices in PDB entry 2IIK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
60 77Right-handed alpha
Helix 2
2
A
79 83Right-handed 310
Helix 3
3
A
93 96Right-handed 310
Helix 4
4
A
97 108Right-handed alpha
Helix 5
5
A
121 123Right-handed 310
Helix 6
6
A
124 139Right-handed alpha
Helix 7
7
A
168 171Right-handed 310
Helix 8
8
A
172 177Right-handed alpha
Helix 9
9
A
178 180Right-handed 310
Helix 10
10
A
181 193Right-handed alpha
Helix 11
11
A
196 218Right-handed alpha
Helix 12
12
A
254 261Right-handed alpha
Helix 13
13
A
291 298Right-handed alpha
Helix 14
14
A
314 319Right-handed 310
Helix 15
15
A
320 334Right-handed alpha
Helix 16
16
A
336 338Right-handed 310
Helix 17
17
A
349 361Right-handed alpha
Helix 18
18
A
363 367Right-handed 310
Helix 19
19
A
372 377Right-handed alpha
Helix 20
20
A
382 399Right-handed alpha
Helix 21
21
B
60 77Right-handed alpha
Helix 22
22
B
79 83Right-handed 310
Helix 23
23
B
93 96Right-handed 310
Helix 24
24
B
97 108Right-handed alpha
Helix 25
25
B
121 123Right-handed 310
Helix 26
26
B
124 139Right-handed alpha
Helix 27
27
B
168 171Right-handed 310
Helix 28
28
B
172 177Right-handed alpha
Helix 29
29
B
178 180Right-handed 310
Helix 30
30
B
181 193Right-handed alpha
Helix 31
31
B
196 218Right-handed alpha
Helix 32
32
B
254 260Right-handed alpha
Helix 33
33
B
291 298Right-handed alpha
Helix 34
34
B
314 319Right-handed 310
Helix 35
35
B
320 334Right-handed alpha
Helix 36
36
B
336 338Right-handed 310
Helix 37
37
B
349 360Right-handed alpha
Helix 38
38
B
363 367Right-handed 310
Helix 39
39
B
382 399Right-handed alpha
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There are 4 sheets in PDB entry 2IIK. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 10 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
49 50first strand
Strand 2
A
280 290anti-parallel
Strand 3
A
144 152anti-parallel
Strand 4
A
86 89parallel
Strand 5
A
116 120parallel
Strand 6
B
116 120anti-parallel
Strand 7
B
85 89parallel
Strand 8
B
144 152parallel
Strand 9
B
280 290anti-parallel
Strand 10
B
49 50anti-parallel
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There are 18 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
340 345first strand
Strand 2
A
402 410parallel
Strand 3
A
414 422anti-parallel
Strand 4
A
303 312anti-parallel
Strand 5
A
38 45anti-parallel
Strand 6
A
280 290anti-parallel
Strand 7
A
144 152anti-parallel
Strand 8
A
86 89parallel
Strand 9
A
116 120parallel
Strand 10
B
116 120anti-parallel
Strand 11
B
85 89parallel
Strand 12
B
144 152parallel
Strand 13
B
280 290anti-parallel
Strand 14
B
38 45anti-parallel
Strand 15
B
303 312anti-parallel
Strand 16
B
414 422anti-parallel
Strand 17
B
402 410anti-parallel
Strand 18
B
340 345parallel
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There are 2 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
227 232first strand
Strand 2
A
238 243anti-parallel
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There are 2 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
227 233first strand
Strand 2
B
237 243anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il