Analysis of interatomic Contacts of Structural Units in PDB entry:
4K25


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 4K25 entry

There is 1 chain in PDB entry 4K25 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 TYR 33GLN 406
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 12 helices in PDB entry 4K25. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
81 100Right-handed alpha
Helix 2
2
A
118 137Right-handed alpha
Helix 3
3
A
144 152Right-handed alpha
Helix 4
4
A
153 155Right-handed 310
Helix 5
5
A
197 210Right-handed alpha
Helix 6
6
A
215 225Right-handed alpha
Helix 7
7
A
258 271Right-handed alpha
Helix 8
8
A
280 310Right-handed alpha
Helix 9
9
A
325 328Right-handed 310
Helix 10
10
A
329 340Right-handed alpha
Helix 11
11
A
355 360Right-handed alpha
Helix 12
12
A
363 377Right-handed alpha
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There are 3 sheets in PDB entry 4K25. Click on sheet of interest to get list of strands forming it: A, B, C,

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
60 67first strand
Strand 2
A
44 51anti-parallel
Strand 3
A
34 39anti-parallel
Strand 4
A
109 113parallel
Strand 5
A
140 143parallel
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There are 6 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
254 255first strand
Strand 2
A
187 193parallel
Strand 3
A
176 181anti-parallel
Strand 4
A
166 171anti-parallel
Strand 5
A
320 323parallel
Strand 6
A
351 352parallel
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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
379 381first strand
Strand 2
A
402 404anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il