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


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 4EKU entry

There is 1 chain in PDB entry 4EKU (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 19PRO 366
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 17 helices in PDB entry 4EKU. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
34 36Right-handed 310
Helix 2
2
A
51 54Right-handed 310
Helix 3
3
A
66 77Right-handed alpha
Helix 4
4
A
86 88Right-handed 310
Helix 5
5
A
110 118Right-handed alpha
Helix 6
6
A
123 125Right-handed 310
Helix 7
7
A
140 145Right-handed alpha
Helix 8
8
A
147 166Right-handed alpha
Helix 9
9
A
171 187Right-handed alpha
Helix 10
10
A
193 196Right-handed 310
Helix 11
11
A
197 208Right-handed alpha
Helix 12
12
A
209 213Right-handed 310
Helix 13
13
A
215 222Right-handed alpha
Helix 14
14
A
223 239Right-handed alpha
Helix 15
15
A
242 255Right-handed alpha
Helix 16
16
A
301 305Right-handed 310
Helix 17
17
A
337 356Right-handed alpha
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There are 2 sheets in PDB entry 4EKU. Click on sheet of interest to get list of strands forming it: A, B,

There are 5 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
55 62first strand
Strand 2
A
38 45anti-parallel
Strand 3
A
127 133parallel
Strand 4
A
90 96anti-parallel
Strand 5
A
102 105anti-parallel
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There are 7 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
297 300first strand
Strand 2
A
285 289anti-parallel
Strand 3
A
277 282anti-parallel
Strand 4
A
263 270anti-parallel
Strand 5
A
331 335anti-parallel
Strand 6
A
317 322anti-parallel
Strand 7
A
310 313anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il