Analysis of interatomic Contacts of Structural Units in PDB entry:
4R2I


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 4R2I entry

There is 1 chain in PDB entry 4R2I (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1HIS 207
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 4R2I. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
16 24Right-handed alpha
Helix 2
2
A
24 32Right-handed alpha
Helix 3
3
A
48 54Right-handed 310
Helix 4
4
A
59 66Right-handed alpha
Helix 5
5
A
77 96Right-handed alpha
Helix 6
6
A
105 110Right-handed alpha
Helix 7
7
A
116 125Right-handed alpha
Helix 8
8
A
125 130Right-handed alpha
Helix 9
9
A
139 143Right-handed 310
Helix 10
10
A
144 151Right-handed alpha
Helix 11
11
A
161 172Right-handed alpha
Helix 12
12
A
173 181Right-handed alpha
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There is 1 sheet ( A) in PDB entry 4R2I.

There are 8 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
68 72first strand
Strand 2
A
36 40parallel
Strand 3
A
98 102parallel
Strand 4
A
131 137parallel
Strand 5
A
6 10parallel
Strand 6
A
153 156parallel
Strand 7
A
188 192anti-parallel
Strand 8
A
197 201anti-parallel
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