Analysis of interatomic Contacts of Structural Units in PDB entry:
1R3U


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 1R3U entry

There are 2 chains in PDB entry 1R3U (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 2TYR 180
B
 SER 3TYR 180
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 12 helices in PDB entry 1R3U. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 6Right-handed 310
Helix 2
2
A
14 33Right-handed alpha
Helix 3
3
A
47 57Right-handed alpha
Helix 4
4
A
75 80Right-handed alpha
Helix 5
5
A
107 119Right-handed alpha
Helix 6
6
B
3 6Right-handed 310
Helix 7
7
B
14 33Right-handed alpha
Helix 8
8
B
47 57Right-handed alpha
Helix 9
9
B
73 80Right-handed alpha
Helix 10
10
B
107 119Right-handed alpha
Helix 11
11
B
134 137Right-handed 310
Helix 12
12
B
177 180Right-handed 310
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There are 4 sheets in PDB entry 1R3U. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 3 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
8 13first strand
Strand 2
A
172 175anti-parallel
Strand 3
A
155 156anti-parallel
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There are 6 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
82 86first strand
Strand 2
A
63 71anti-parallel
Strand 3
A
38 43parallel
Strand 4
A
96 104parallel
Strand 5
A
124 132parallel
Strand 6
A
148 149parallel
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There are 3 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
8 13first strand
Strand 2
B
172 175anti-parallel
Strand 3
B
155 156anti-parallel
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There are 6 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
82 86first strand
Strand 2
B
63 71anti-parallel
Strand 3
B
38 43parallel
Strand 4
B
96 104parallel
Strand 5
B
124 132parallel
Strand 6
B
145 149parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il