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


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 4FEK entry

There are 2 chains in PDB entry 4FEK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 5HIS 259
B
 LYS 5GLU 256
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 19 helices in PDB entry 4FEK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
32 36Right-handed 310
Helix 2
2
A
60 75Right-handed alpha
Helix 3
3
A
76 78Right-handed 310
Helix 4
4
A
89 91Right-handed 310
Helix 5
5
A
92 103Right-handed alpha
Helix 6
6
A
112 122Right-handed alpha
Helix 7
7
A
193 205Right-handed alpha
Helix 8
8
A
208 220Right-handed alpha
Helix 9
9
A
238 259Right-handed alpha
Helix 10
10
B
32 36Right-handed 310
Helix 11
11
B
60 62Right-handed 310
Helix 12
12
B
63 75Right-handed alpha
Helix 13
13
B
76 80Right-handed 310
Helix 14
14
B
89 91Right-handed 310
Helix 15
15
B
92 103Right-handed alpha
Helix 16
16
B
112 121Right-handed alpha
Helix 17
17
B
193 205Right-handed alpha
Helix 18
18
B
208 219Right-handed alpha
Helix 19
19
B
238 255Right-handed alpha
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There are 4 sheets in PDB entry 4FEK. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 7 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
8 15first strand
Strand 2
A
18 25anti-parallel
Strand 3
A
41 49anti-parallel
Strand 4
A
53 56anti-parallel
Strand 5
A
80 84parallel
Strand 6
A
107 111parallel
Strand 7
A
129 132parallel
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There are 5 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
138 139first strand
Strand 2
A
145 150anti-parallel
Strand 3
A
160 164anti-parallel
Strand 4
A
169 173anti-parallel
Strand 5
A
226 229parallel
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There are 7 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
8 15first strand
Strand 2
B
18 25anti-parallel
Strand 3
B
41 49anti-parallel
Strand 4
B
53 56anti-parallel
Strand 5
B
82 84parallel
Strand 6
B
107 111parallel
Strand 7
B
129 132parallel
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There are 5 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
138 139first strand
Strand 2
B
145 150anti-parallel
Strand 3
B
160 164anti-parallel
Strand 4
B
169 173anti-parallel
Strand 5
B
226 229parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il