Analysis of interatomic Contacts of Structural Units in PDB entry:
4ESK


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 4ESK entry

There are 4 chains in PDB entry 4ESK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 25LYS 120
B
 SER 25LYS 120
C
 GLY 24GLU 121
D
 SER 25LYS 120
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 7 helices in PDB entry 4ESK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
54 58Right-handed 310
Helix 2
2
A
90 94Right-handed 310
Helix 3
3
B
90 94Right-handed 310
Helix 4
4
C
54 58Right-handed 310
Helix 5
5
C
90 94Right-handed 310
Helix 6
6
D
53 57Right-handed 310
Helix 7
7
D
90 94Right-handed 310
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There are 12 sheets in PDB entry 4ESK. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

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
28 32first strand
Strand 2
C
45 50anti-parallel
Strand 3
C
81 86anti-parallel
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There are 5 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
36 40first strand
Strand 2
A
114 119parallel
Strand 3
A
95 103anti-parallel
Strand 4
A
60 65anti-parallel
Strand 5
A
68 74anti-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
A
36 40first strand
Strand 2
A
114 119parallel
Strand 3
A
95 103anti-parallel
Strand 4
A
107 110anti-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
A
81 86first strand
Strand 2
A
45 50anti-parallel
Strand 3
C
28 32anti-parallel
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There are 3 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
28 32first strand
Strand 2
D
45 50anti-parallel
Strand 3
D
81 86anti-parallel
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There are 5 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
36 40first strand
Strand 2
B
114 119parallel
Strand 3
B
95 103anti-parallel
Strand 4
B
60 65anti-parallel
Strand 5
B
68 74anti-parallel
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There are 4 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
36 40first strand
Strand 2
B
114 119parallel
Strand 3
B
95 103anti-parallel
Strand 4
B
106 110anti-parallel
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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
81 86first strand
Strand 2
B
45 50anti-parallel
Strand 3
D
28 32anti-parallel
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There are 5 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
36 39first strand
Strand 2
C
114 118parallel
Strand 3
C
95 103anti-parallel
Strand 4
C
60 65anti-parallel
Strand 5
C
68 74anti-parallel
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There are 4 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
36 39first strand
Strand 2
C
114 118parallel
Strand 3
C
95 103anti-parallel
Strand 4
C
106 107anti-parallel
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There are 5 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
36 40first strand
Strand 2
D
114 119parallel
Strand 3
D
95 103anti-parallel
Strand 4
D
60 65anti-parallel
Strand 5
D
68 74anti-parallel
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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
36 40first strand
Strand 2
D
114 119parallel
Strand 3
D
95 103anti-parallel
Strand 4
D
106 107anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il