Analysis of interatomic Contacts of Structural Units in PDB entry:
2O23


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 2O23 entry

There are 2 chains in PDB entry 2O23 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 6SER 263
B
 MET 1SER 263
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 18 helices in PDB entry 2O23. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
20 33Right-handed alpha
Helix 2
2
A
46 55Right-handed alpha
Helix 3
3
A
67 83Right-handed alpha
Helix 4
4
A
110 122Right-handed alpha
Helix 5
5
A
122 137Right-handed alpha
Helix 6
6
A
156 161Right-handed alpha
Helix 7
7
A
165 187Right-handed alpha
Helix 8
8
A
215 220Right-handed alpha
Helix 9
9
A
229 243Right-handed alpha
Helix 10
10
B
20 33Right-handed alpha
Helix 11
11
B
46 55Right-handed alpha
Helix 12
12
B
67 83Right-handed alpha
Helix 13
13
B
110 122Right-handed alpha
Helix 14
14
B
122 137Right-handed alpha
Helix 15
15
B
156 161Right-handed alpha
Helix 16
16
B
165 187Right-handed alpha
Helix 17
17
B
215 220Right-handed alpha
Helix 18
18
B
229 243Right-handed alpha
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There are 4 sheets in PDB entry 2O23. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 7 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
58 62first strand
Strand 2
A
36 41parallel
Strand 3
A
12 16parallel
Strand 4
A
87 90parallel
Strand 5
A
148 153parallel
Strand 6
A
191 198parallel
Strand 7
A
250 253parallel
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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
101 102first strand
Strand 2
A
107 108anti-parallel
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There are 7 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
58 62first strand
Strand 2
B
36 41parallel
Strand 3
B
12 16parallel
Strand 4
B
87 90parallel
Strand 5
B
148 153parallel
Strand 6
B
191 198parallel
Strand 7
B
250 253parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
101 102first strand
Strand 2
B
107 108anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il