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


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 3TWL entry

There is 1 chain in PDB entry 3TWL (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 2ALA 287
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 12 helices in PDB entry 3TWL. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
3 18Right-handed alpha
Helix 2
2
A
39 48Right-handed alpha
Helix 3
3
A
136 140Right-handed 310
Helix 4
4
A
142 146Right-handed 310
Helix 5
5
A
156 166Right-handed alpha
Helix 6
6
A
170 177Right-handed alpha
Helix 7
7
A
185 196Right-handed alpha
Helix 8
8
A
203 207Right-handed 310
Helix 9
9
A
208 229Right-handed alpha
Helix 10
10
A
232 236Right-handed 310
Helix 11
11
A
240 245Right-handed 310
Helix 12
12
A
279 287Right-handed alpha
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There are 3 sheets in PDB entry 3TWL. Click on sheet of interest to get list of strands forming it: A, B, C,

There are 4 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
23 28first strand
Strand 2
A
108 114anti-parallel
Strand 3
A
119 123anti-parallel
Strand 4
A
81 85anti-parallel
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There are 4 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
52 58first strand
Strand 2
A
61 66anti-parallel
Strand 3
A
71 75anti-parallel
Strand 4
A
130 134anti-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
253 254first strand
Strand 2
A
257 258anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il