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


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 1XRG entry

There are 3 chains in PDB entry 1XRG (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 TYR 2LYS 126
B
 SER -11LYS 126
C
 GLN -10LYS 126
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 15 helices in PDB entry 1XRG. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
47 66Right-handed alpha
Helix 2
2
A
69 71Right-handed 310
Helix 3
3
A
82 84Right-handed 310
Helix 4
4
A
85 95Right-handed alpha
Helix 5
5
A
112 116Right-handed 310
Helix 6
6
B
47 66Right-handed alpha
Helix 7
7
B
69 71Right-handed 310
Helix 8
8
B
82 84Right-handed 310
Helix 9
9
B
85 94Right-handed alpha
Helix 10
10
B
112 116Right-handed 310
Helix 11
11
C
47 66Right-handed alpha
Helix 12
12
C
69 71Right-handed 310
Helix 13
13
C
82 84Right-handed 310
Helix 14
14
C
85 97Right-handed alpha
Helix 15
15
C
112 116Right-handed 310
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There are 3 sheets in PDB entry 1XRG. Click on sheet of interest to get list of strands forming it: A, B, C,

There are 6 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
4 6first strand
Strand 2
A
21 24anti-parallel
Strand 3
A
27 30anti-parallel
Strand 4
A
118 125anti-parallel
Strand 5
A
73 80anti-parallel
Strand 6
A
103 108parallel
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There are 7 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
-5 -2first strand
Strand 2
B
1 6anti-parallel
Strand 3
B
21 24anti-parallel
Strand 4
B
27 30anti-parallel
Strand 5
B
118 125anti-parallel
Strand 6
B
73 80anti-parallel
Strand 7
B
103 108parallel
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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
C
-5 -2first strand
Strand 2
C
1 6anti-parallel
Strand 3
C
21 24anti-parallel
Strand 4
C
27 30anti-parallel
Strand 5
C
118 125anti-parallel
Strand 6
C
73 80anti-parallel
Strand 7
C
103 108parallel
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