Analysis of interatomic Contacts of Structural Units in PDB entry:
4RI2


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 4RI2 entry

There are 2 chains in PDB entry 4RI2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 6ASP 208
B
 LEU 17THR 206
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 16 helices in PDB entry 4RI2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
22 26Right-handed 310
Helix 2
2
A
33 59Right-handed alpha
Helix 3
3
A
61 66Right-handed alpha
Helix 4
4
A
73 77Right-handed 310
Helix 5
5
A
78 93Right-handed alpha
Helix 6
6
A
137 163Right-handed alpha
Helix 7
7
A
165 175Right-handed alpha
Helix 8
8
A
177 198Right-handed alpha
Helix 9
9
B
22 26Right-handed 310
Helix 10
10
B
33 59Right-handed alpha
Helix 11
11
B
61 66Right-handed alpha
Helix 12
12
B
73 77Right-handed 310
Helix 13
13
B
78 93Right-handed alpha
Helix 14
14
B
137 163Right-handed alpha
Helix 15
15
B
165 175Right-handed alpha
Helix 16
16
B
177 198Right-handed alpha
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There are 2 sheets in PDB entry 4RI2. Click on sheet of interest to get list of strands forming it: A, B,

There are 2 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
101 103first strand
Strand 2
A
203 205anti-parallel
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There are 2 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
101 103first strand
Strand 2
B
203 205anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il