Analysis of interatomic Contacts of Structural Units in PDB entry:
1U18


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 1U18 entry

There are 2 chains in PDB entry 1U18 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 2LYS 185
B
 LYS 2LYS 185
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 9 helices in PDB entry 1U18. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
14 19Right-handed alpha
Helix 2
2
A
147 157Right-handed alpha
Helix 3
3
A
160 164Right-handed 310
Helix 4
4
A
175 182Right-handed alpha
Helix 5
5
A
183 185Right-handed 310
Helix 6
6
B
14 19Right-handed alpha
Helix 7
7
B
147 157Right-handed alpha
Helix 8
8
B
160 164Right-handed 310
Helix 9
9
B
175 185Right-handed alpha
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There are 4 sheets in PDB entry 1U18. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 7 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
96 98first strand
Strand 2
A
88 90anti-parallel
Strand 3
A
68 79anti-parallel
Strand 4
A
53 61anti-parallel
Strand 5
A
42 50anti-parallel
Strand 6
A
20 31anti-parallel
Strand 7
A
165 166anti-parallel
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There are 9 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
96 98first strand
Strand 2
A
88 90anti-parallel
Strand 3
A
68 79anti-parallel
Strand 4
A
82 85anti-parallel
Strand 5
A
105 113anti-parallel
Strand 6
A
117 126anti-parallel
Strand 7
A
129 139anti-parallel
Strand 8
A
20 31anti-parallel
Strand 9
A
165 166anti-parallel
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There are 7 strands in C 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
82 90anti-parallel
Strand 3
B
67 79anti-parallel
Strand 4
B
53 62anti-parallel
Strand 5
B
42 50anti-parallel
Strand 6
B
23 31anti-parallel
Strand 7
B
165 166anti-parallel
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There are 7 strands in D 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
82 90anti-parallel
Strand 3
B
105 113anti-parallel
Strand 4
B
117 126anti-parallel
Strand 5
B
129 139anti-parallel
Strand 6
B
23 31anti-parallel
Strand 7
B
165 166anti-parallel
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