Analysis of interatomic Contacts of Structural Units in PDB entry:
4R3I


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 4R3I entry

There are 3 chains in PDB entry 4R3I (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 344MET 507
B
 G 1 G 2
B
 C 4 U 5
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 4R3I. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
344 353Right-handed alpha
Helix 2
2
A
364 375Right-handed alpha
Helix 3
3
A
380 392Right-handed alpha
Helix 4
4
A
436 440Right-handed 310
Helix 5
5
A
456 459Right-handed 310
Helix 6
6
A
463 467Right-handed 310
Helix 7
7
A
481 492Right-handed alpha
Helix 8
8
A
499 507Right-handed alpha
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There are 2 sheets in PDB entry 4R3I. Click on sheet of interest to get list of strands forming it: A, B,

There are 6 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
376 377first strand
Strand 2
A
443 449anti-parallel
Strand 3
A
411 415anti-parallel
Strand 4
A
396 403anti-parallel
Strand 5
A
355 362parallel
Strand 6
A
479 480anti-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
A
408 409first strand
Strand 2
A
453 454anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il