Analysis of interatomic Contacts of Structural Units in PDB entry:
3OUN


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 3OUN entry


Note, this PDB entry contains modified residue(s) PHOSPHOTHREONINE (TPO) . This residue is treated as heterogroup (ligand) both in the PDB entry and in LPC/CSU analysis.

There are 3 chains in PDB entry 3OUN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 19ARG 109
B
 GLN 17ARG 265
B
 GLU 267ASP 273
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 3OUN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
B
67 83Right-handed alpha
Helix 2
2
B
114 119Right-handed alpha
Helix 3
3
B
123 144Right-handed alpha
Helix 4
4
B
152 154Right-handed 310
Helix 5
5
B
176 194Right-handed alpha
Helix 6
6
B
220 225Right-handed alpha
Helix 7
7
B
229 241Right-handed alpha
Helix 8
8
B
248 264Right-handed alpha
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There are 4 sheets in PDB entry 3OUN. 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
31 33first strand
Strand 2
A
21 24anti-parallel
Strand 3
A
104 109anti-parallel
Strand 4
A
98 101anti-parallel
Strand 5
A
82 83anti-parallel
Strand 6
A
86 87anti-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
49 50first strand
Strand 2
A
37 42parallel
Strand 3
A
61 65anti-parallel
Strand 4
A
70 74anti-parallel
Strand 5
A
90 92anti-parallel
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There are 6 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
23 24first strand
Strand 2
B
29 34anti-parallel
Strand 3
B
42 48anti-parallel
Strand 4
B
53 59anti-parallel
Strand 5
B
101 107anti-parallel
Strand 6
B
92 98anti-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
B
111 113first strand
Strand 2
B
156 159anti-parallel
Strand 3
B
164 166anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il