Analysis of interatomic Contacts of Structural Units in PDB entry:
2O3B


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 2O3B entry

There are 2 chains in PDB entry 2O3B (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 34ASN 274
B
 SER 1THR 135
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 2O3B. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
37 41Right-handed 310
Helix 2
2
A
84 88Right-handed 310
Helix 3
3
A
111 116Right-handed 310
Helix 4
4
A
127 131Right-handed 310
Helix 5
5
A
134 141Right-handed alpha
Helix 6
6
A
142 145Right-handed 310
Helix 7
7
A
151 157Right-handed alpha
Helix 8
8
A
157 172Right-handed alpha
Helix 9
9
A
189 193Right-handed 310
Helix 10
10
A
212 217Right-handed 310
Helix 11
11
A
237 242Right-handed 310
Helix 12
12
A
244 253Right-handed alpha
Helix 13
13
A
261 271Right-handed alpha
Helix 14
14
B
4 17Right-handed alpha
Helix 15
15
B
42 51Right-handed alpha
Helix 16
16
B
62 67Right-handed alpha
Helix 17
17
B
67 72Right-handed alpha
Helix 18
18
B
78 99Right-handed alpha
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There are 4 sheets in PDB entry 2O3B. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 6 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 61first strand
Strand 2
A
66 70anti-parallel
Strand 3
A
75 83anti-parallel
Strand 4
A
175 183anti-parallel
Strand 5
A
199 207anti-parallel
Strand 6
A
222 229anti-parallel
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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
121 124first strand
Strand 2
A
147 150anti-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
B
21 22first strand
Strand 2
B
26 27anti-parallel
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There are 5 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
30 34first strand
Strand 2
B
125 133anti-parallel
Strand 3
B
111 119anti-parallel
Strand 4
B
100 107anti-parallel
Strand 5
B
58 61anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il