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


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 4TWR entry

There is 1 chain in PDB entry 4TWR (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 3ARG 327
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 14 helices in PDB entry 4TWR. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
13 26Right-handed alpha
Helix 2
AA2
A
40 44Right-handed 310
Helix 3
AA3
A
56 68Right-handed alpha
Helix 4
AA4
A
82 86Right-handed 310
Helix 5
AA5
A
87 96Right-handed alpha
Helix 6
AA6
A
96 109Right-handed alpha
Helix 7
AA7
A
119 123Right-handed 310
Helix 8
AA8
A
141 162Right-handed alpha
Helix 9
AA9
A
191 201Right-handed alpha
Helix 10
AB1
A
228 244Right-handed alpha
Helix 11
AB2
A
261 273Right-handed alpha
Helix 12
AB3
A
295 303Right-handed alpha
Helix 13
AB4
A
310 319Right-handed alpha
Helix 14
AB5
A
320 323Right-handed 310
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There are 4 sheets in PDB entry 4TWR. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4,

There are 7 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
49 51first strand
Strand 2
A
29 34parallel
Strand 3
A
5 9parallel
Strand 4
A
71 74parallel
Strand 5
A
113 117parallel
Strand 6
A
164 169parallel
Strand 7
A
249 252parallel
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There are 2 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
172 174first strand
Strand 2
A
225 227parallel
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There are 2 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
207 210first strand
Strand 2
A
278 281parallel
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There are 2 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
222 223first strand
Strand 2
A
259 260anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il