Analysis of interatomic Contacts of Structural Units in PDB entry:
3W18


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 3W18 entry

There are 2 chains in PDB entry 3W18 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 126SER 388
B
 ARG 126SER 388
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 26 helices in PDB entry 3W18. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
129 131Right-handed 310
Helix 2
2
A
166 171Right-handed alpha
Helix 3
3
A
181 187Right-handed alpha
Helix 4
4
A
217 226Right-handed alpha
Helix 5
5
A
229 250Right-handed alpha
Helix 6
6
A
258 260Right-handed 310
Helix 7
7
A
292 296Right-handed 310
Helix 8
8
A
309 325Right-handed alpha
Helix 9
9
A
333 343Right-handed alpha
Helix 10
10
A
353 364Right-handed alpha
Helix 11
11
A
367 371Right-handed 310
Helix 12
12
A
373 379Right-handed alpha
Helix 13
13
A
380 387Right-handed alpha
Helix 14
14
B
129 131Right-handed 310
Helix 15
15
B
141 146Right-handed alpha
Helix 16
16
B
183 188Right-handed alpha
Helix 17
17
B
217 226Right-handed alpha
Helix 18
18
B
229 250Right-handed alpha
Helix 19
19
B
258 260Right-handed 310
Helix 20
20
B
297 303Right-handed alpha
Helix 21
21
B
308 325Right-handed alpha
Helix 22
22
B
333 343Right-handed alpha
Helix 23
23
B
353 364Right-handed alpha
Helix 24
24
B
367 371Right-handed 310
Helix 25
25
B
373 380Right-handed alpha
Helix 26
26
B
380 387Right-handed alpha
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There are 4 sheets in PDB entry 3W18. 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
133 138first strand
Strand 2
A
147 152anti-parallel
Strand 3
A
158 165anti-parallel
Strand 4
A
205 210anti-parallel
Strand 5
A
196 201anti-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
262 264first strand
Strand 2
A
270 272anti-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
B
133 138first strand
Strand 2
B
148 152anti-parallel
Strand 3
B
158 165anti-parallel
Strand 4
B
205 210anti-parallel
Strand 5
B
196 201anti-parallel
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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
B
262 264first strand
Strand 2
B
270 272anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il