Analysis of interatomic Contacts of Structural Units in PDB entry:
4S2U


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 4S2U entry

There is 1 chain in PDB entry 4S2U (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 2ILE 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 11 helices in PDB entry 4S2U. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
12 23Right-handed alpha
Helix 2
2
A
62 79Right-handed alpha
Helix 3
3
A
100 104Right-handed 310
Helix 4
4
A
108 121Right-handed alpha
Helix 5
5
A
134 139Right-handed alpha
Helix 6
6
A
148 160Right-handed alpha
Helix 7
7
A
173 184Right-handed alpha
Helix 8
8
A
226 239Right-handed alpha
Helix 9
9
A
256 263Right-handed alpha
Helix 10
10
A
278 283Right-handed alpha
Helix 11
11
A
292 303Right-handed alpha
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There are 4 sheets in PDB entry 4S2U. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 5 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
4 8first strand
Strand 2
A
52 56parallel
Strand 3
A
84 88parallel
Strand 4
A
124 128parallel
Strand 5
A
143 146parallel
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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
30 34first strand
Strand 2
A
40 44anti-parallel
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There are 5 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
165 167first strand
Strand 2
A
216 223parallel
Strand 3
A
245 251parallel
Strand 4
A
268 272parallel
Strand 5
A
287 290parallel
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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
191 192first strand
Strand 2
A
207 208anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il