Analysis of interatomic Contacts of Structural Units in PDB entry:
2I4R


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 2I4R entry

There are 2 chains in PDB entry 2I4R (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER -2GLY 79
B
 HIS -3GLY 79
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 8 helices in PDB entry 2I4R. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
9 19Right-handed alpha
Helix 2
2
A
29 43Right-handed alpha
Helix 3
3
A
54 56Right-handed 310
Helix 4
4
A
60 65Right-handed alpha
Helix 5
5
B
9 19Right-handed alpha
Helix 6
6
B
29 43Right-handed alpha
Helix 7
7
B
55 59Right-handed 310
Helix 8
8
B
60 70Right-handed alpha
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There is 1 sheet ( A) in PDB entry 2I4R.

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
24 26first strand
Strand 2
A
0 8parallel
Strand 3
A
46 52parallel
Strand 4
A
74 78parallel
Strand 5
B
74 78anti-parallel
Strand 6
B
46 52parallel
Strand 7
B
0 8parallel
Strand 8
B
24 26parallel
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