Analysis of interatomic Contacts of Structural Units in PDB entry:
4N81


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 4N81 entry

There is 1 chain in PDB entry 4N81 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 3LEU 259
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 12 helices in PDB entry 4N81. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
6 25Right-handed alpha
Helix 2
2
A
26 28Right-handed 310
Helix 3
3
A
41 62Right-handed alpha
Helix 4
4
A
90 96Right-handed alpha
Helix 5
5
A
149 152Right-handed 310
Helix 6
6
A
159 163Right-handed 310
Helix 7
7
A
164 176Right-handed alpha
Helix 8
8
A
186 195Right-handed alpha
Helix 9
9
A
207 212Right-handed alpha
Helix 10
10
A
213 221Right-handed alpha
Helix 11
11
A
246 248Right-handed 310
Helix 12
12
A
249 258Right-handed alpha
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There are 2 sheets in PDB entry 4N81. Click on sheet of interest to get list of strands forming it: A, B,

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
66 67first strand
Strand 2
A
81 89parallel
Strand 3
A
102 109anti-parallel
Strand 4
A
112 120anti-parallel
Strand 5
A
125 130anti-parallel
Strand 6
A
133 137anti-parallel
Strand 7
A
140 141anti-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
180 183first strand
Strand 2
A
154 157parallel
Strand 3
A
200 203parallel
Strand 4
A
241 244anti-parallel
Strand 5
A
224 226anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il