Analysis of interatomic Contacts of Structural Units in PDB entry:
3EKH


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 3EKH entry

There are 2 chains in PDB entry 3EKH (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 39LEU 222
A
 VAL 226THR 449
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 15 helices in PDB entry 3EKH. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
39 59Right-handed alpha
Helix 2
2
A
69 72Right-handed 310
Helix 3
3
A
161 167Right-handed 310
Helix 4
4
A
214 219Right-handed 310
Helix 5
5
A
226 230Right-handed 310
Helix 6
6
A
233 239Right-handed 310
Helix 7
7
A
240 245Right-handed alpha
Helix 8
8
A
308 323Right-handed alpha
Helix 9
9
A
331 342Right-handed alpha
Helix 10
10
A
347 357Right-handed alpha
Helix 11
11
A
368 380Right-handed alpha
Helix 12
12
A
384 396Right-handed alpha
Helix 13
13
A
404 415Right-handed alpha
Helix 14
14
A
420 432Right-handed alpha
Helix 15
15
A
441 448Right-handed alpha
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There are 3 sheets in PDB entry 3EKH. Click on sheet of interest to get list of strands forming it: A, B, C,

There are 12 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
63 68first strand
Strand 2
A
73 83anti-parallel
Strand 3
A
89 100anti-parallel
Strand 4
A
250 258anti-parallel
Strand 5
A
263 273anti-parallel
Strand 6
A
276 286anti-parallel
Strand 7
A
169 180parallel
Strand 8
A
183 194anti-parallel
Strand 9
A
199 206anti-parallel
Strand 10
A
130 140anti-parallel
Strand 11
A
112 121anti-parallel
Strand 12
A
63 68anti-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
A
329 330first strand
Strand 2
A
366 367anti-parallel
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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
402 403first strand
Strand 2
A
439 440anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il