Analysis of interatomic Contacts of Structural Units in PDB entry:
4S3N


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 4S3N entry

There are 3 chains in PDB entry 4S3N (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LEU 359
B
 G 1 A 19
C
 U 1 C 19
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 17 helices in PDB entry 4S3N. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
1 6Right-handed alpha
Helix 2
2
A
7 9Right-handed 310
Helix 3
3
A
10 19Right-handed alpha
Helix 4
4
A
22 42Right-handed alpha
Helix 5
5
A
61 66Right-handed alpha
Helix 6
6
A
88 93Right-handed alpha
Helix 7
7
A
94 109Right-handed alpha
Helix 8
8
A
164 173Right-handed alpha
Helix 9
9
A
180 183Right-handed 310
Helix 10
10
A
184 194Right-handed alpha
Helix 11
11
A
196 216Right-handed alpha
Helix 12
12
A
225 241Right-handed alpha
Helix 13
13
A
247 261Right-handed alpha
Helix 14
14
A
262 264Right-handed 310
Helix 15
15
A
277 289Right-handed alpha
Helix 16
16
A
312 323Right-handed alpha
Helix 17
17
A
326 328Right-handed 310
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There are 3 sheets in PDB entry 4S3N. Click on sheet of interest to get list of strands forming it: A, B, C,

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
54 60first strand
Strand 2
A
73 81anti-parallel
Strand 3
A
141 149parallel
Strand 4
A
129 135anti-parallel
Strand 5
A
116 119anti-parallel
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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
266 267first strand
Strand 2
A
294 295parallel
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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
330 331first strand
Strand 2
A
335 336anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il