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


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 2NOS entry

There is 1 chain in PDB entry 2NOS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 115HIS 502
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 10 helices in PDB entry 2NOS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
130 147Right-handed alpha
Helix 2
2
A
153 170Right-handed alpha
Helix 3
3
A
177 189Right-handed alpha
Helix 4
4
A
195 199Right-handed 310
Helix 5
5
A
214 232Right-handed alpha
Helix 6
6
A
275 287Right-handed 310
Helix 7
7
A
317 319Right-handed 310
Helix 8
8
A
414 422Right-handed alpha
Helix 9
9
A
430 443Right-handed alpha
Helix 10
10
A
489 491Right-handed 310
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There are 5 sheets in PDB entry 2NOS. Click on sheet of interest to get list of strands forming it: A, B, C, D, E,

There are 2 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
204 208first strand
Strand 2
A
237 241parallel
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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
263 265first strand
Strand 2
A
271 273anti-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
301 303first strand
Strand 2
A
311 313anti-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
322 325first strand
Strand 2
A
338 341anti-parallel
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There are 3 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
482 484first strand
Strand 2
A
350 353anti-parallel
Strand 3
A
356 358anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il