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


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 4NEX entry

There are 2 chains in PDB entry 4NEX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 282ASP 438
B
 MET 292ILE 437
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 13 helices in PDB entry 4NEX. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
298 302Right-handed 310
Helix 2
2
A
303 316Right-handed alpha
Helix 3
3
A
322 327Right-handed alpha
Helix 4
4
A
360 363Right-handed 310
Helix 5
5
A
366 378Right-handed alpha
Helix 6
6
A
392 400Right-handed alpha
Helix 7
7
A
418 432Right-handed alpha
Helix 8
8
B
298 302Right-handed 310
Helix 9
9
B
303 316Right-handed alpha
Helix 10
10
B
359 366Right-handed alpha
Helix 11
11
B
366 379Right-handed alpha
Helix 12
12
B
392 400Right-handed alpha
Helix 13
13
B
418 431Right-handed alpha
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There are 2 sheets in PDB entry 4NEX. Click on sheet of interest to get list of strands forming it: A, B,

There are 15 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
284 288first strand
Strand 2
A
291 296anti-parallel
Strand 3
A
329 335anti-parallel
Strand 4
A
340 346anti-parallel
Strand 5
A
351 358anti-parallel
Strand 6
A
382 386parallel
Strand 7
A
410 414anti-parallel
Strand 8
A
402 405anti-parallel
Strand 9
B
402 406anti-parallel
Strand 10
B
409 414anti-parallel
Strand 11
B
382 386anti-parallel
Strand 12
B
351 358parallel
Strand 13
B
340 346anti-parallel
Strand 14
B
329 335anti-parallel
Strand 15
B
293 296anti-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
318 319first strand
Strand 2
A
436 437anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il