Analysis of interatomic Contacts of Structural Units in PDB entry:
9EN1


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 9EN1 entry

There are 12 chains in PDB entry 9EN1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 1LEU 45
B
 GLY 1HIS 48
C
 GLY 1GLU 46
D
 MET 0LEU 45
E
 MET 0HIS 47
F
 MET 0HIS 48
G
 GLY 1HIS 48
H
 GLY 1HIS 47
I
 GLY 1HIS 48
J
 GLY 1GLU 46
K
 MET 0GLU 46
L
 GLY 1GLU 46
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 12 helices in PDB entry 9EN1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
10 23Right-handed alpha
Helix 2
AA2
B
13 22Right-handed alpha
Helix 3
AA3
C
10 22Right-handed alpha
Helix 4
AA4
D
10 22Right-handed alpha
Helix 5
AA5
E
10 22Right-handed alpha
Helix 6
AA6
F
10 22Right-handed alpha
Helix 7
AA7
G
10 22Right-handed alpha
Helix 8
AA8
H
10 23Right-handed alpha
Helix 9
AA9
I
10 23Right-handed alpha
Helix 10
AB1
J
10 22Right-handed alpha
Helix 11
AB2
K
10 23Right-handed alpha
Helix 12
AB3
L
10 23Right-handed alpha
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There are 8 sheets in PDB entry 9EN1. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8,

There are 3 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
2 8first strand
Strand 2
A
37 45anti-parallel
Strand 3
A
33 34anti-parallel
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There are 6 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
2 8first strand
Strand 2
A
37 45anti-parallel
Strand 3
A
26 30anti-parallel
Strand 4
B
2 4anti-parallel
Strand 5
B
41 44anti-parallel
Strand 6
B
27 29anti-parallel
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There are 12 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
27 33first strand
Strand 2
C
38 44anti-parallel
Strand 3
C
2 8anti-parallel
Strand 4
I
26 33anti-parallel
Strand 5
I
38 44anti-parallel
Strand 6
I
2 8anti-parallel
Strand 7
D
26 34anti-parallel
Strand 8
D
37 44anti-parallel
Strand 9
D
2 8anti-parallel
Strand 10
F
26 32anti-parallel
Strand 11
F
38 44anti-parallel
Strand 12
F
2 8anti-parallel
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There are 12 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
3 8first strand
Strand 2
G
37 43anti-parallel
Strand 3
G
26 34anti-parallel
Strand 4
L
2 8anti-parallel
Strand 5
L
37 44anti-parallel
Strand 6
L
26 34anti-parallel
Strand 7
E
1 8anti-parallel
Strand 8
E
38 43anti-parallel
Strand 9
E
26 33anti-parallel
Strand 10
K
2 8anti-parallel
Strand 11
K
37 43anti-parallel
Strand 12
K
27 30anti-parallel
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There are 12 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
3 8first strand
Strand 2
G
37 43anti-parallel
Strand 3
G
26 34anti-parallel
Strand 4
L
2 8anti-parallel
Strand 5
L
37 44anti-parallel
Strand 6
L
26 34anti-parallel
Strand 7
E
1 8anti-parallel
Strand 8
E
38 43anti-parallel
Strand 9
E
26 33anti-parallel
Strand 10
K
2 8anti-parallel
Strand 11
K
37 43anti-parallel
Strand 12
K
33 34anti-parallel
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There are 3 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
3 8first strand
Strand 2
H
38 43anti-parallel
Strand 3
H
27 32anti-parallel
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There are 3 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
2 8first strand
Strand 2
J
37 44anti-parallel
Strand 3
J
27 30anti-parallel
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There are 3 strands in AA8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
2 8first strand
Strand 2
J
37 44anti-parallel
Strand 3
J
33 34anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il