Analysis of interatomic Contacts of Structural Units in PDB entry:
2P23


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 2P23 entry

There are 2 chains in PDB entry 2P23 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 40GLU 175
B
 ASP 1040GLU 1175
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 2P23. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
105 107Right-handed 310
Helix 2
2
A
116 120Right-handed alpha
Helix 3
3
A
149 151Right-handed 310
Helix 4
4
A
152 157Right-handed alpha
Helix 5
5
B
1105 1107Right-handed 310
Helix 6
6
B
1116 1120Right-handed alpha
Helix 7
7
B
1149 1151Right-handed 310
Helix 8
8
B
1152 1157Right-handed alpha
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There are 6 sheets in PDB entry 2P23. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 8 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
68 71first strand
Strand 2
A
57 62anti-parallel
Strand 3
A
43 50anti-parallel
Strand 4
A
80 86anti-parallel
Strand 5
A
89 94anti-parallel
Strand 6
A
121 126anti-parallel
Strand 7
A
132 136anti-parallel
Strand 8
A
141 142anti-parallel
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There are 4 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
68 71first strand
Strand 2
A
57 62anti-parallel
Strand 3
A
43 50anti-parallel
Strand 4
A
166 168anti-parallel
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There are 2 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
100 103first strand
Strand 2
A
109 112anti-parallel
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There are 8 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
1068 1071first strand
Strand 2
B
1057 1062anti-parallel
Strand 3
B
1043 1050anti-parallel
Strand 4
B
1080 1086anti-parallel
Strand 5
B
1089 1094anti-parallel
Strand 6
B
1121 1126anti-parallel
Strand 7
B
1132 1136anti-parallel
Strand 8
B
1141 1142anti-parallel
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There are 4 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
1068 1071first strand
Strand 2
B
1057 1062anti-parallel
Strand 3
B
1043 1050anti-parallel
Strand 4
B
1166 1168anti-parallel
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There are 2 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
1100 1103first strand
Strand 2
B
1109 1112anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il