Analysis of interatomic Contacts of Structural Units in PDB entry:
1SON


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 1SON entry

There is 1 chain in PDB entry 1SON (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 1ALA 431
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 1SON. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
16 25Right-handed alpha
Helix 2
2
A
76 88Right-handed alpha
Helix 3
3
A
93 96Right-handed alpha
Helix 4
4
A
108 124Right-handed alpha
Helix 5
5
A
133 141Right-handed alpha
Helix 6
6
A
148 152Right-handed 310
Helix 7
7
A
154 175Right-handed alpha
Helix 8
8
A
183 200Right-handed alpha
Helix 9
9
A
204 214Right-handed alpha
Helix 10
10
A
226 228Right-handed 310
Helix 11
11
A
245 252Right-handed 310
Helix 12
12
A
256 258Right-handed 310
Helix 13
13
A
285 294Right-handed alpha
Helix 14
14
A
312 322Right-handed alpha
Helix 15
15
A
332 335Right-handed 310
Helix 16
16
A
362 365Right-handed alpha
Helix 17
17
A
388 390Right-handed 310
Helix 18
18
A
393 406Right-handed alpha
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There are 4 sheets in PDB entry 1SON. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 9 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
422 424first strand
Strand 2
A
409 414anti-parallel
Strand 3
A
326 330parallel
Strand 4
A
261 267parallel
Strand 5
A
3 8parallel
Strand 6
A
218 221parallel
Strand 7
A
29 32parallel
Strand 8
A
65 68parallel
Strand 9
A
97 99parallel
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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
41 45first strand
Strand 2
A
48 52anti-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
270 272first strand
Strand 2
A
306 308anti-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
340 348first strand
Strand 2
A
369 376anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il