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


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 4LOK entry

There are 2 chains in PDB entry 4LOK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 154GLN 334
B
 ALA 155GLN 334
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 18 helices in PDB entry 4LOK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
154 165Right-handed alpha
Helix 2
2
A
166 171Right-handed alpha
Helix 3
3
A
173 185Right-handed alpha
Helix 4
4
A
210 214Right-handed 310
Helix 5
5
A
261 273Right-handed alpha
Helix 6
6
A
279 298Right-handed alpha
Helix 7
7
A
299 301Right-handed 310
Helix 8
8
A
303 307Right-handed alpha
Helix 9
9
A
323 334Right-handed alpha
Helix 10
10
B
156 166Right-handed alpha
Helix 11
11
B
166 171Right-handed alpha
Helix 12
12
B
173 185Right-handed alpha
Helix 13
13
B
191 195Right-handed 310
Helix 14
14
B
210 215Right-handed alpha
Helix 15
15
B
262 271Right-handed alpha
Helix 16
16
B
281 299Right-handed alpha
Helix 17
17
B
304 306Right-handed 310
Helix 18
18
B
323 334Right-handed alpha
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There are 4 sheets in PDB entry 4LOK. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
218 223first strand
Strand 2
A
242 248anti-parallel
Strand 3
A
251 260anti-parallel
Strand 4
A
197 202parallel
Strand 5
A
308 313parallel
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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
227 231first strand
Strand 2
A
234 239anti-parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
218 223first strand
Strand 2
B
242 248anti-parallel
Strand 3
B
251 260anti-parallel
Strand 4
B
197 202parallel
Strand 5
B
308 313parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
227 231first strand
Strand 2
B
234 239anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il