Analysis of interatomic Contacts of Structural Units in PDB entry:
1EN6


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 1EN6 entry

There are 4 chains in PDB entry 1EN6 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 1LYS 205
B
 SER 1LYS 205
C
 SER 1LYS 205
D
 SER 1LYS 205
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 56 helices in PDB entry 1EN6. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
19 29Right-handed alpha
Helix 2
2
A
29 43Right-handed alpha
Helix 3
3
A
45 50Right-handed alpha
Helix 4
4
A
52 57Right-handed alpha
Helix 5
5
A
58 63Right-handed 310
Helix 6
6
A
67 87Right-handed alpha
Helix 7
7
A
95 107Right-handed alpha
Helix 8
8
A
108 123Right-handed alpha
Helix 9
9
A
148 151Right-handed 310
Helix 10
10
A
152 157Right-handed alpha
Helix 11
11
A
169 172Right-handed 310
Helix 12
12
A
173 178Right-handed alpha
Helix 13
13
A
180 189Right-handed alpha
Helix 14
14
A
193 204Right-handed alpha
Helix 15
15
B
19 29Right-handed alpha
Helix 16
16
B
29 43Right-handed alpha
Helix 17
17
B
45 50Right-handed alpha
Helix 18
18
B
52 57Right-handed alpha
Helix 19
19
B
58 63Right-handed 310
Helix 20
20
B
67 87Right-handed alpha
Helix 21
21
B
95 107Right-handed alpha
Helix 22
22
B
108 123Right-handed alpha
Helix 23
23
B
148 151Right-handed 310
Helix 24
24
B
152 157Right-handed alpha
Helix 25
25
B
169 172Right-handed 310
Helix 26
26
B
173 178Right-handed alpha
Helix 27
27
B
180 192Right-handed alpha
Helix 28
28
B
193 204Right-handed alpha
Helix 29
29
C
19 29Right-handed alpha
Helix 30
30
C
29 43Right-handed alpha
Helix 31
31
C
45 50Right-handed alpha
Helix 32
32
C
52 57Right-handed alpha
Helix 33
33
C
58 63Right-handed 310
Helix 34
34
C
64 87Right-handed alpha
Helix 35
35
C
95 107Right-handed alpha
Helix 36
36
C
108 123Right-handed alpha
Helix 37
37
C
148 151Right-handed 310
Helix 38
38
C
152 157Right-handed alpha
Helix 39
39
C
169 172Right-handed 310
Helix 40
40
C
173 178Right-handed alpha
Helix 41
41
C
180 192Right-handed alpha
Helix 42
42
C
193 204Right-handed alpha
Helix 43
43
D
19 29Right-handed alpha
Helix 44
44
D
29 43Right-handed alpha
Helix 45
45
D
47 51Right-handed 310
Helix 46
46
D
52 57Right-handed alpha
Helix 47
47
D
58 63Right-handed 310
Helix 48
48
D
64 87Right-handed alpha
Helix 49
49
D
95 107Right-handed alpha
Helix 50
50
D
108 123Right-handed alpha
Helix 51
51
D
148 151Right-handed 310
Helix 52
52
D
152 157Right-handed alpha
Helix 53
53
D
169 172Right-handed 310
Helix 54
54
D
173 178Right-handed alpha
Helix 55
55
D
180 192Right-handed alpha
Helix 56
56
D
193 204Right-handed alpha
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There are 4 sheets in PDB entry 1EN6. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 3 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
137 144first strand
Strand 2
A
127 134anti-parallel
Strand 3
A
161 167anti-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
B
137 144first strand
Strand 2
B
127 134anti-parallel
Strand 3
B
161 167anti-parallel
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There are 3 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
137 144first strand
Strand 2
C
127 134anti-parallel
Strand 3
C
161 167anti-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
D
137 144first strand
Strand 2
D
127 134anti-parallel
Strand 3
D
161 167anti-parallel
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