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


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 4ISX entry

There are 2 chains in PDB entry 4ISX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 0GLU 185
B
 MSE 1GLU 185
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 8 helices in PDB entry 4ISX. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 9Right-handed alpha
Helix 2
2
A
17 36Right-handed alpha
Helix 3
3
A
41 53Right-handed alpha
Helix 4
4
A
116 122Right-handed alpha
Helix 5
5
B
2 9Right-handed alpha
Helix 6
6
B
17 35Right-handed alpha
Helix 7
7
B
41 53Right-handed alpha
Helix 8
8
B
116 121Right-handed alpha
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There are 8 sheets in PDB entry 4ISX. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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
13 14first strand
Strand 2
A
124 127anti-parallel
Strand 3
A
111 112anti-parallel
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There are 7 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
60 62first strand
Strand 2
A
80 82parallel
Strand 3
A
101 102parallel
Strand 4
A
136 138parallel
Strand 5
A
154 156parallel
Strand 6
A
170 173parallel
Strand 7
A
178 182anti-parallel
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There are 5 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
67 68first strand
Strand 2
A
87 89parallel
Strand 3
A
107 109parallel
Strand 4
A
143 144parallel
Strand 5
A
161 162parallel
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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
74 76first strand
Strand 2
A
94 96parallel
Strand 3
A
130 132parallel
Strand 4
A
149 150parallel
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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
13 14first strand
Strand 2
B
124 127anti-parallel
Strand 3
B
111 112anti-parallel
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There are 7 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
60 62first strand
Strand 2
B
80 82parallel
Strand 3
B
101 102parallel
Strand 4
B
137 138parallel
Strand 5
B
155 156parallel
Strand 6
B
170 173parallel
Strand 7
B
178 182anti-parallel
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There are 5 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
67 68first strand
Strand 2
B
87 89parallel
Strand 3
B
107 109parallel
Strand 4
B
143 144parallel
Strand 5
B
161 162parallel
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There are 4 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
74 76first strand
Strand 2
B
94 96parallel
Strand 3
B
130 132parallel
Strand 4
B
149 150parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il