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


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 4IRI entry

There are 3 chains in PDB entry 4IRI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
GLY 292HIS 385
B
G 1 G 12
C
C 13 C 24
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 6 helices in PDB entry 4IRI. Click on helix of interest for CSU analysis.
Helix
number
Helix
ID
Chain
ID
Initial
residue
Terminal
residue
Helix class
Helix 1
1
A
295 305Right-handed alpha
Helix 2
2
A
306 311Right-handed 310
Helix 3
3
A
326 338Right-handed alpha
Helix 4
4
A
344 354Right-handed alpha
Helix 5
5
A
355 357Right-handed 310
Helix 6
6
A
374 382Right-handed alpha
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There is 1 sheet ( A) in PDB entry 4IRI.

There are 4 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
313 315first strand
Strand 2
A
321 324anti-parallel
Strand 3
A
370 373anti-parallel
Strand 4
A
361 363anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il