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


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 3ENK entry

There are 2 chains in PDB entry 3ENK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1VAL 340
B
 MET 1PHE 339
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 24 helices in PDB entry 3ENK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
14 27Right-handed alpha
Helix 2
2
A
42 53Right-handed alpha
Helix 3
3
A
65 76Right-handed alpha
Helix 4
4
A
89 96Right-handed alpha
Helix 5
5
A
96 118Right-handed alpha
Helix 6
6
A
130 133Right-handed 310
Helix 7
7
A
150 170Right-handed alpha
Helix 8
8
A
202 212Right-handed alpha
Helix 9
9
A
239 257Right-handed alpha
Helix 10
10
A
272 284Right-handed alpha
Helix 11
11
A
306 314Right-handed alpha
Helix 12
12
A
320 335Right-handed alpha
Helix 13
13
B
14 27Right-handed alpha
Helix 14
14
B
42 53Right-handed alpha
Helix 15
15
B
65 76Right-handed alpha
Helix 16
16
B
89 96Right-handed alpha
Helix 17
17
B
96 118Right-handed alpha
Helix 18
18
B
130 133Right-handed 310
Helix 19
19
B
150 170Right-handed alpha
Helix 20
20
B
202 213Right-handed alpha
Helix 21
21
B
239 256Right-handed alpha
Helix 22
22
B
272 284Right-handed alpha
Helix 23
23
B
306 314Right-handed alpha
Helix 24
24
B
320 335Right-handed alpha
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There are 8 sheets in PDB entry 3ENK. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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
57 59first strand
Strand 2
A
30 34parallel
Strand 3
A
6 10parallel
Strand 4
A
80 83parallel
Strand 5
A
122 128parallel
Strand 6
A
174 180parallel
Strand 7
A
260 264parallel
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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
182 184first strand
Strand 2
A
236 238parallel
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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
218 221first strand
Strand 2
A
289 292parallel
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There are 3 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
270 271first strand
Strand 2
A
233 234anti-parallel
Strand 3
A
301 302parallel
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There are 7 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
57 59first strand
Strand 2
B
30 34parallel
Strand 3
B
6 10parallel
Strand 4
B
80 83parallel
Strand 5
B
122 128parallel
Strand 6
B
174 180parallel
Strand 7
B
260 264parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
182 184first strand
Strand 2
B
236 238parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
218 221first strand
Strand 2
B
289 292parallel
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There are 3 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
270 271first strand
Strand 2
B
233 234anti-parallel
Strand 3
B
301 302parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il