Analysis of interatomic Contacts of Structural Units in PDB entry:
4X3I


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 4X3I entry

There are 2 chains in PDB entry 4X3I (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE 206GLY 277
B
 ALA 309GLY 315
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 7 helices in PDB entry 4X3I. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
206 209Right-handed 310
Helix 2
AA2
A
216 232Right-handed alpha
Helix 3
AA3
A
234 240Right-handed alpha
Helix 4
AA4
A
241 247Right-handed 310
Helix 5
AA5
A
248 258Right-handed alpha
Helix 6
AA6
A
259 261Right-handed 310
Helix 7
AA7
A
263 277Right-handed alpha
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There is 1 sheet (AA1) in PDB entry 4X3I.

There are 2 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
211 214first strand
Strand 2
B
310 313parallel
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