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


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 2IOK entry

There are 2 chains in PDB entry 2IOK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LEU 306LEU 544
B
 LEU 1306LEU 1544
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 21 helices in PDB entry 2IOK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
311 322Right-handed alpha
Helix 2
2
A
341 362Right-handed alpha
Helix 3
3
A
371 379Right-handed alpha
Helix 4
4
A
382 395Right-handed alpha
Helix 5
5
A
411 417Right-handed alpha
Helix 6
6
A
420 439Right-handed alpha
Helix 7
7
A
441 455Right-handed alpha
Helix 8
8
A
457 461Right-handed 310
Helix 9
9
A
465 494Right-handed alpha
Helix 10
10
A
496 526Right-handed alpha
Helix 11
11
A
536 544Right-handed alpha
Helix 12
12
B
1311 1322Right-handed alpha
Helix 13
13
B
1342 1362Right-handed alpha
Helix 14
14
B
1371 1395Right-handed alpha
Helix 15
15
B
1411 1416Right-handed alpha
Helix 16
16
B
1420 1439Right-handed alpha
Helix 17
17
B
1441 1455Right-handed alpha
Helix 18
18
B
1457 1461Right-handed 310
Helix 19
19
B
1466 1494Right-handed alpha
Helix 20
20
B
1496 1526Right-handed alpha
Helix 21
21
B
1536 1544Right-handed alpha
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There are 2 sheets in PDB entry 2IOK. Click on sheet of interest to get list of strands forming it: A, B,

There are 2 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
402 403first strand
Strand 2
A
409 410anti-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
B
1402 1405first strand
Strand 2
B
1408 1410anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il