Analysis of interatomic Contacts of Structural Units in PDB entry:
1W23


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 1W23 entry

There are 2 chains in PDB entry 1W23 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 1ALA 360
B
 VAL 1ALA 360
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 32 helices in PDB entry 1W23. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
15 25Right-handed alpha
Helix 2
2
A
35 39Right-handed 310
Helix 3
3
A
43 62Right-handed alpha
Helix 4
4
A
74 88Right-handed alpha
Helix 5
5
A
100 112Right-handed alpha
Helix 6
6
A
123 126Right-handed 310
Helix 7
7
A
132 136Right-handed 310
Helix 8
8
A
183 187Right-handed 310
Helix 9
9
A
210 214Right-handed alpha
Helix 10
10
A
221 224Right-handed 310
Helix 11
11
A
225 232Right-handed alpha
Helix 12
12
A
240 257Right-handed alpha
Helix 13
13
A
258 280Right-handed alpha
Helix 14
14
A
290 293Right-handed 310
Helix 15
15
A
305 319Right-handed alpha
Helix 16
16
A
342 360Right-handed alpha
Helix 17
17
B
15 25Right-handed alpha
Helix 18
18
B
35 39Right-handed 310
Helix 19
19
B
43 62Right-handed alpha
Helix 20
20
B
74 88Right-handed alpha
Helix 21
21
B
100 114Right-handed alpha
Helix 22
22
B
123 126Right-handed 310
Helix 23
23
B
132 136Right-handed 310
Helix 24
24
B
183 187Right-handed 310
Helix 25
25
B
211 213Right-handed 310
Helix 26
26
B
221 224Right-handed 310
Helix 27
27
B
225 232Right-handed alpha
Helix 28
28
B
240 258Right-handed alpha
Helix 29
29
B
258 280Right-handed alpha
Helix 30
30
B
290 293Right-handed 310
Helix 31
31
B
305 319Right-handed alpha
Helix 32
32
B
342 360Right-handed alpha
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There are 8 sheets in PDB entry 1W23. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, BC, BD,

There are 2 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
5 6first strand
Strand 2
A
321 322parallel
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There are 7 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
67 72first strand
Strand 2
A
204 209anti-parallel
Strand 3
A
189 193anti-parallel
Strand 4
A
169 172parallel
Strand 5
A
142 148parallel
Strand 6
A
93 98parallel
Strand 7
A
115 121parallel
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There are 2 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
150 151first strand
Strand 2
A
156 157anti-parallel
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There are 3 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
286 287first strand
Strand 2
A
298 302anti-parallel
Strand 3
A
333 336anti-parallel
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There are 2 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
5 6first strand
Strand 2
B
321 322parallel
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There are 7 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
67 72first strand
Strand 2
B
204 209anti-parallel
Strand 3
B
189 193anti-parallel
Strand 4
B
169 172parallel
Strand 5
B
142 148parallel
Strand 6
B
93 98parallel
Strand 7
B
115 121parallel
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There are 2 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
150 151first strand
Strand 2
B
156 157anti-parallel
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There are 3 strands in BD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
286 287first strand
Strand 2
B
298 302anti-parallel
Strand 3
B
333 336anti-parallel
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