Analysis of interatomic Contacts of Structural Units in PDB entry:
2X2W


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 2X2W entry

There are 2 chains in PDB entry 2X2W (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ALA 258
B
 MET 1ALA 258
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 17 helices in PDB entry 2X2W. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
10 15Right-handed alpha
Helix 2
2
A
16 32Right-handed alpha
Helix 3
4
A
45 55Right-handed alpha
Helix 4
5
A
72 95Right-handed alpha
Helix 5
8
A
130 139Right-handed alpha
Helix 6
9
A
160 172Right-handed alpha
Helix 7
10
A
197 204Right-handed alpha
Helix 8
11
A
213 228Right-handed alpha
Helix 9
13
A
242 248Right-handed alpha
Helix 10
15
B
16 33Right-handed alpha
Helix 11
16
B
44 55Right-handed alpha
Helix 12
17
B
72 95Right-handed alpha
Helix 13
20
B
130 139Right-handed alpha
Helix 14
21
B
160 172Right-handed alpha
Helix 15
22
B
197 207Right-handed alpha
Helix 16
23
B
212 228Right-handed alpha
Helix 17
24
B
242 248Right-handed alpha
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There are 5 sheets in PDB entry 2X2W. Click on sheet of interest to get list of strands forming it: AA, AB, BA, BB, BC,

There are 8 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
98 103first strand
Strand 2
A
142 146parallel
Strand 3
A
37 42parallel
Strand 4
A
4 9parallel
Strand 5
A
174 179parallel
Strand 6
A
231 235parallel
Strand 7
A
253 257anti-parallel
Strand 8
A
194 196parallel
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There are 4 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
110 114first strand
Strand 2
A
122 126anti-parallel
Strand 3
A
155 158parallel
Strand 4
A
149 150anti-parallel
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There are 8 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
99 102first strand
Strand 2
B
141 146parallel
Strand 3
B
37 42parallel
Strand 4
B
4 9parallel
Strand 5
B
174 180parallel
Strand 6
B
231 235parallel
Strand 7
B
253 257anti-parallel
Strand 8
B
194 196parallel
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There are 2 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
60 61first strand
Strand 2
B
65 66anti-parallel
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There are 4 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
110 114first strand
Strand 2
B
122 126anti-parallel
Strand 3
B
155 158parallel
Strand 4
B
148 151anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il