Analysis of interatomic Contacts of Structural Units in PDB entry:
3TW4


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 3TW4 entry

There are 2 chains in PDB entry 3TW4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE 30ALA 297
B
 PHE 30ALA 297
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 3TW4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
43 53Right-handed alpha
Helix 2
2
A
108 127Right-handed alpha
Helix 3
3
A
154 165Right-handed alpha
Helix 4
4
A
181 200Right-handed alpha
Helix 5
5
A
220 225Right-handed alpha
Helix 6
6
A
262 272Right-handed alpha
Helix 7
7
A
273 295Right-handed alpha
Helix 8
8
B
43 53Right-handed alpha
Helix 9
9
B
108 127Right-handed alpha
Helix 10
10
B
154 165Right-handed alpha
Helix 11
11
B
181 200Right-handed alpha
Helix 12
12
B
220 225Right-handed alpha
Helix 13
13
B
262 268Right-handed alpha
Helix 14
14
B
274 295Right-handed alpha
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There are 2 sheets in PDB entry 3TW4. Click on sheet of interest to get list of strands forming it: A, B,

There are 6 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
75 76first strand
Strand 2
A
91 94anti-parallel
Strand 3
A
33 37parallel
Strand 4
A
141 146parallel
Strand 5
A
169 174parallel
Strand 6
A
227 228parallel
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There are 6 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
75 79first strand
Strand 2
B
90 94anti-parallel
Strand 3
B
33 37parallel
Strand 4
B
141 146parallel
Strand 5
B
169 174parallel
Strand 6
B
227 228parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il