Analysis of interatomic Contacts of Structural Units in PDB entry:
4IKX


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 4IKX entry

There is 1 chain in PDB entry 4IKX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2LYS 493
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 22 helices in PDB entry 4IKX. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
5 12Right-handed alpha
Helix 2
2
A
23 52Right-handed alpha
Helix 3
3
A
53 57Right-handed 310
Helix 4
4
A
62 91Right-handed alpha
Helix 5
5
A
93 114Right-handed alpha
Helix 6
6
A
117 147Right-handed alpha
Helix 7
7
A
153 183Right-handed alpha
Helix 8
8
A
184 211Right-handed alpha
Helix 9
9
A
223 252Right-handed alpha
Helix 10
10
A
255 280Right-handed alpha
Helix 11
11
A
285 311Right-handed alpha
Helix 12
12
A
314 323Right-handed alpha
Helix 13
13
A
334 339Right-handed 310
Helix 14
14
A
340 361Right-handed alpha
Helix 15
15
A
362 364Right-handed 310
Helix 16
16
A
366 391Right-handed alpha
Helix 17
17
A
398 417Right-handed alpha
Helix 18
18
A
419 428Right-handed alpha
Helix 19
19
A
429 434Right-handed 310
Helix 20
20
A
435 455Right-handed alpha
Helix 21
21
A
456 458Right-handed 310
Helix 22
22
A
462 492Right-handed alpha
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There is 1 sheet ( A) in PDB entry 4IKX.

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
17 18first strand
Strand 2
A
21 22anti-parallel
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