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


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 2XWA entry

There are 2 chains in PDB entry 2XWA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 1ALA 228
B
 ILE 1ALA 228
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 6 helices in PDB entry 2XWA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
39 43Right-handed 310
Helix 2
2
A
150 155Right-handed alpha
Helix 3
3
A
219 228Right-handed alpha
Helix 4
4
B
39 43Right-handed 310
Helix 5
5
B
150 155Right-handed alpha
Helix 6
6
B
219 228Right-handed alpha
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There are 4 sheets in PDB entry 2XWA. Click on sheet of interest to get list of strands forming it: AA, AB, BA, BB,

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
5 6first strand
Strand 2
A
142 149anti-parallel
Strand 3
A
168 171anti-parallel
Strand 4
A
211 215anti-parallel
Strand 5
A
192 197anti-parallel
Strand 6
A
186 189anti-parallel
Strand 7
A
122 127anti-parallel
Strand 8
A
5 6first strand
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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
15 20first strand
Strand 2
A
23 32anti-parallel
Strand 3
A
35 38anti-parallel
Strand 4
A
91 95anti-parallel
Strand 5
A
68 77anti-parallel
Strand 6
A
51 55anti-parallel
Strand 7
A
15 20anti-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
5 6first strand
Strand 2
B
142 149anti-parallel
Strand 3
B
168 171anti-parallel
Strand 4
B
211 215anti-parallel
Strand 5
B
192 197anti-parallel
Strand 6
B
186 189anti-parallel
Strand 7
B
122 127anti-parallel
Strand 8
B
5 6first strand
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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
15 20first strand
Strand 2
B
23 32anti-parallel
Strand 3
B
35 38anti-parallel
Strand 4
B
91 95anti-parallel
Strand 5
B
68 77anti-parallel
Strand 6
B
51 55anti-parallel
Strand 7
B
15 20anti-parallel
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