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


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 4NAO entry

There is 1 chain in PDB entry 4NAO (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 10GLU 309
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 4NAO. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
19 31Right-handed alpha
Helix 2
2
A
40 60Right-handed alpha
Helix 3
3
A
75 80Right-handed 310
Helix 4
4
A
89 93Right-handed 310
Helix 5
5
A
94 100Right-handed alpha
Helix 6
6
A
101 103Right-handed 310
Helix 7
7
A
104 115Right-handed alpha
Helix 8
8
A
182 186Right-handed 310
Helix 9
9
A
250 256Right-handed alpha
Helix 10
10
A
258 265Right-handed alpha
Helix 11
11
A
292 296Right-handed alpha
Helix 12
12
A
304 308Right-handed 310
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There are 5 sheets in PDB entry 4NAO. Click on sheet of interest to get list of strands forming it: A, B, C, D, E,

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
13 15first strand
Strand 2
A
32 36parallel
Strand 3
A
208 212anti-parallel
Strand 4
A
161 166anti-parallel
Strand 5
A
228 237anti-parallel
Strand 6
A
128 131anti-parallel
Strand 7
A
84 87anti-parallel
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There are 6 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
13 15first strand
Strand 2
A
32 36parallel
Strand 3
A
208 212anti-parallel
Strand 4
A
161 166anti-parallel
Strand 5
A
228 237anti-parallel
Strand 6
A
121 126anti-parallel
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There are 3 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
198 201first strand
Strand 2
A
177 180anti-parallel
Strand 3
A
217 218anti-parallel
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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
A
270 272first strand
Strand 2
A
282 284anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
286 287first strand
Strand 2
A
290 291anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il