Analysis of interatomic Contacts of Structural Units in PDB entry:
4X2W


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 4X2W entry

There are 2 chains in PDB entry 4X2W (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 3GLU 181
B
 SER 4GLU 181
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 is 1 helix in PDB entry 4X2W. Click on helix number for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
3 7Right-handed 310
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There are 4 sheets in PDB entry 4X2W. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4,

There are 5 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
9 12first strand
Strand 2
A
15 19anti-parallel
Strand 3
A
24 28anti-parallel
Strand 4
A
55 60anti-parallel
Strand 5
A
47 52anti-parallel
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There are 11 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
72 73first strand
Strand 2
A
150 160parallel
Strand 3
A
142 147anti-parallel
Strand 4
A
82 88anti-parallel
Strand 5
A
94 109anti-parallel
Strand 6
A
112 121anti-parallel
Strand 7
B
47 52parallel
Strand 8
B
55 60anti-parallel
Strand 9
B
24 28anti-parallel
Strand 10
B
15 19anti-parallel
Strand 11
B
10 12anti-parallel
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There are 9 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
72 73first strand
Strand 2
A
150 160parallel
Strand 3
A
166 170anti-parallel
Strand 4
A
112 121anti-parallel
Strand 5
B
47 52parallel
Strand 6
B
55 60anti-parallel
Strand 7
B
24 28anti-parallel
Strand 8
B
15 19anti-parallel
Strand 9
B
10 12anti-parallel
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There are 8 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
72 73first strand
Strand 2
B
150 160parallel
Strand 3
B
166 170anti-parallel
Strand 4
B
117 121anti-parallel
Strand 5
B
94 101anti-parallel
Strand 6
B
82 88anti-parallel
Strand 7
B
142 147anti-parallel
Strand 8
B
150 160anti-parallel
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