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


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 3ENP entry

There are 2 chains in PDB entry 3ENP (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 1LEU 175
B
 MSE 1LYS 172
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 3ENP. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
25 36Right-handed alpha
Helix 2
2
A
44 48Right-handed 310
Helix 3
3
A
50 66Right-handed alpha
Helix 4
4
A
74 84Right-handed alpha
Helix 5
5
A
88 97Right-handed alpha
Helix 6
6
A
119 124Right-handed alpha
Helix 7
7
A
132 139Right-handed 310
Helix 8
8
A
141 150Right-handed alpha
Helix 9
9
A
157 172Right-handed alpha
Helix 10
10
B
25 35Right-handed alpha
Helix 11
11
B
44 48Right-handed 310
Helix 12
12
B
50 68Right-handed alpha
Helix 13
13
B
74 83Right-handed alpha
Helix 14
14
B
88 97Right-handed alpha
Helix 15
15
B
118 125Right-handed alpha
Helix 16
16
B
132 134Right-handed 310
Helix 17
17
B
135 140Right-handed alpha
Helix 18
18
B
141 149Right-handed alpha
Helix 19
19
B
157 172Right-handed alpha
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There are 4 sheets in PDB entry 3ENP. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 4 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
3 6first strand
Strand 2
A
14 21anti-parallel
Strand 3
A
104 111anti-parallel
Strand 4
A
41 43anti-parallel
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There are 3 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
3 6first strand
Strand 2
A
14 21anti-parallel
Strand 3
A
129 131anti-parallel
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There are 4 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
3 6first strand
Strand 2
B
14 21anti-parallel
Strand 3
B
105 111anti-parallel
Strand 4
B
41 43anti-parallel
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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
B
3 6first strand
Strand 2
B
14 21anti-parallel
Strand 3
B
129 131anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il