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


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 4IKN entry

There are 2 chains in PDB entry 4IKN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE 164THR 418
B
 ASP 1LEU 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 2 helices in PDB entry 4IKN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
224 226Right-handed 310
Helix 2
2
A
238 246Right-handed alpha
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There are 4 sheets in PDB entry 4IKN. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 9 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
228 233first strand
Strand 2
A
255 264anti-parallel
Strand 3
A
197 211anti-parallel
Strand 4
A
178 191anti-parallel
Strand 5
A
402 416parallel
Strand 6
A
373 380anti-parallel
Strand 7
A
305 313anti-parallel
Strand 8
A
338 344anti-parallel
Strand 9
A
329 332anti-parallel
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There are 6 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
228 233first strand
Strand 2
A
255 264anti-parallel
Strand 3
A
197 211anti-parallel
Strand 4
A
178 191anti-parallel
Strand 5
A
402 416parallel
Strand 6
B
3 4anti-parallel
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There are 3 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
247 250first strand
Strand 2
A
217 222anti-parallel
Strand 3
A
389 395anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
274 281first strand
Strand 2
A
288 297anti-parallel
Strand 3
A
353 360anti-parallel
Strand 4
A
318 325anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il