Analysis of interatomic Contacts of Structural Units in PDB entry:
3EN0


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 3EN0 entry

There are 3 chains in PDB entry 3EN0 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 4ARG 269
B
 SER 5ARG 269
C
 SER 4ARG 269
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 31 helices in PDB entry 3EN0. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
22 32Right-handed alpha
Helix 2
2
A
33 36Right-handed 310
Helix 3
3
A
48 64Right-handed alpha
Helix 4
4
A
75 80Right-handed 310
Helix 5
5
A
81 91Right-handed alpha
Helix 6
6
A
100 109Right-handed alpha
Helix 7
7
A
111 123Right-handed alpha
Helix 8
8
A
132 137Right-handed alpha
Helix 9
9
A
153 155Right-handed 310
Helix 10
10
A
180 191Right-handed alpha
Helix 11
11
B
22 32Right-handed alpha
Helix 12
12
B
33 36Right-handed 310
Helix 13
13
B
48 64Right-handed alpha
Helix 14
14
B
75 80Right-handed 310
Helix 15
15
B
81 91Right-handed alpha
Helix 16
16
B
100 109Right-handed alpha
Helix 17
17
B
111 123Right-handed alpha
Helix 18
18
B
132 137Right-handed alpha
Helix 19
19
B
153 155Right-handed 310
Helix 20
20
B
180 191Right-handed alpha
Helix 21
21
B
234 237Right-handed 310
Helix 22
22
C
22 32Right-handed alpha
Helix 23
23
C
33 36Right-handed 310
Helix 24
24
C
48 64Right-handed alpha
Helix 25
25
C
83 91Right-handed alpha
Helix 26
26
C
100 109Right-handed alpha
Helix 27
27
C
111 123Right-handed alpha
Helix 28
28
C
132 137Right-handed alpha
Helix 29
29
C
153 155Right-handed 310
Helix 30
30
C
180 191Right-handed alpha
Helix 31
31
C
234 237Right-handed 310
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There are 10 sheets in PDB entry 3EN0. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 9 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
67 70first strand
Strand 2
A
38 42parallel
Strand 3
A
93 96parallel
Strand 4
A
127 131parallel
Strand 5
A
9 12parallel
Strand 6
A
203 207anti-parallel
Strand 7
A
212 217anti-parallel
Strand 8
A
258 260anti-parallel
Strand 9
A
265 267anti-parallel
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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
141 146first strand
Strand 2
A
157 161anti-parallel
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There are 8 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
169 172first strand
Strand 2
A
195 199parallel
Strand 3
A
221 225anti-parallel
Strand 4
A
245 253anti-parallel
Strand 5
B
245 253anti-parallel
Strand 6
B
221 225anti-parallel
Strand 7
B
195 199anti-parallel
Strand 8
B
169 172parallel
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There are 4 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
231 232first strand
Strand 2
A
245 253anti-parallel
Strand 3
B
245 253anti-parallel
Strand 4
B
231 232anti-parallel
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There are 9 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
67 70first strand
Strand 2
B
38 42parallel
Strand 3
B
93 96parallel
Strand 4
B
127 131parallel
Strand 5
B
8 12parallel
Strand 6
B
203 208anti-parallel
Strand 7
B
212 217anti-parallel
Strand 8
B
258 260anti-parallel
Strand 9
B
265 267anti-parallel
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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
141 146first strand
Strand 2
B
157 161anti-parallel
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There are 9 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
67 70first strand
Strand 2
C
38 42parallel
Strand 3
C
93 96parallel
Strand 4
C
127 131parallel
Strand 5
C
9 12parallel
Strand 6
C
203 207anti-parallel
Strand 7
C
212 217anti-parallel
Strand 8
C
258 260anti-parallel
Strand 9
C
265 267anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
141 146first strand
Strand 2
C
157 161anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
169 172first strand
Strand 2
C
195 199parallel
Strand 3
C
221 225anti-parallel
Strand 4
C
249 253anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
231 232first strand
Strand 2
C
245 246anti-parallel
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