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


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 1PIW entry

There are 2 chains in PDB entry 1PIW (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ASP 360
B
 MET 1ASP 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 30 helices in PDB entry 1PIW. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
46 54Right-handed alpha
Helix 2
2
A
103 108Right-handed alpha
Helix 3
3
A
110 114Right-handed 310
Helix 4
4
A
154 159Right-handed alpha
Helix 5
5
A
160 162Right-handed 310
Helix 6
6
A
163 175Right-handed alpha
Helix 7
7
A
189 203Right-handed alpha
Helix 8
8
A
215 222Right-handed alpha
Helix 9
9
A
231 233Right-handed 310
Helix 10
10
A
235 240Right-handed alpha
Helix 11
11
A
261 264Right-handed 310
Helix 12
12
A
287 291Right-handed 310
Helix 13
13
A
303 317Right-handed alpha
Helix 14
14
A
329 343Right-handed alpha
Helix 15
15
A
354 359Right-handed alpha
Helix 16
16
B
46 54Right-handed alpha
Helix 17
17
B
103 108Right-handed alpha
Helix 18
18
B
110 114Right-handed 310
Helix 19
19
B
144 146Right-handed 310
Helix 20
20
B
154 163Right-handed alpha
Helix 21
21
B
163 175Right-handed alpha
Helix 22
22
B
189 202Right-handed alpha
Helix 23
23
B
215 222Right-handed alpha
Helix 24
24
B
230 234Right-handed alpha
Helix 25
25
B
235 240Right-handed alpha
Helix 26
26
B
253 257Right-handed 310
Helix 27
27
B
261 264Right-handed 310
Helix 28
28
B
303 317Right-handed alpha
Helix 29
29
B
329 341Right-handed alpha
Helix 30
30
B
354 359Right-handed alpha
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There are 10 sheets in PDB entry 1PIW. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 2 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
7 11first strand
Strand 2
A
22 26anti-parallel
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There are 5 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
138 142first strand
Strand 2
A
35 45anti-parallel
Strand 3
A
70 77anti-parallel
Strand 4
A
90 93anti-parallel
Strand 5
A
146 148anti-parallel
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There are 4 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
138 142first strand
Strand 2
A
35 45anti-parallel
Strand 3
A
348 352anti-parallel
Strand 4
A
323 327parallel
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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
A
96 98first strand
Strand 2
A
118 119anti-parallel
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There are 12 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
226 229first strand
Strand 2
A
205 210parallel
Strand 3
A
182 186parallel
Strand 4
A
244 249parallel
Strand 5
A
266 274parallel
Strand 6
A
295 298parallel
Strand 7
B
295 298anti-parallel
Strand 8
B
266 274parallel
Strand 9
B
244 249parallel
Strand 10
B
182 186parallel
Strand 11
B
205 210parallel
Strand 12
B
226 229parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
284 286first strand
Strand 2
B
284 286anti-parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
7 9first strand
Strand 2
B
24 26anti-parallel
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There are 5 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
140 142first strand
Strand 2
B
35 44anti-parallel
Strand 3
B
70 77anti-parallel
Strand 4
B
90 93anti-parallel
Strand 5
B
147 148anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
140 142first strand
Strand 2
B
35 44anti-parallel
Strand 3
B
348 352anti-parallel
Strand 4
B
323 327parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
96 98first strand
Strand 2
B
118 119anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il