Analysis of interatomic Contacts of Structural Units in PDB entry:
1N4K


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 1N4K entry

There is 1 chain in PDB entry 1N4K (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 236ASN 602
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 12 helices in PDB entry 1N4K. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
271 275Right-handed 310
Helix 2
2
A
277 280Right-handed 310
Helix 3
3
A
363 366Right-handed 310
Helix 4
4
A
436 462Right-handed alpha
Helix 5
5
A
466 485Right-handed alpha
Helix 6
6
A
494 500Right-handed 310
Helix 7
7
A
503 513Right-handed alpha
Helix 8
8
A
514 525Right-handed alpha
Helix 9
9
A
526 528Right-handed 310
Helix 10
10
A
546 565Right-handed alpha
Helix 11
11
A
567 586Right-handed alpha
Helix 12
12
A
588 600Right-handed alpha
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There is 1 sheet ( A) in PDB entry 1N4K.

There are 19 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
430 434first strand
Strand 2
A
239 244anti-parallel
Strand 3
A
249 255parallel
Strand 4
A
260 265anti-parallel
Strand 5
A
415 421anti-parallel
Strand 6
A
397 405anti-parallel
Strand 7
A
389 392anti-parallel
Strand 8
A
368 371anti-parallel
Strand 9
A
303 307anti-parallel
Strand 10
A
313 318anti-parallel
Strand 11
A
353 358parallel
Strand 12
A
415 421anti-parallel
Strand 13
A
260 265anti-parallel
Strand 14
A
249 255anti-parallel
Strand 15
A
239 244parallel
Strand 16
A
430 434anti-parallel
Strand 17
A
239 244anti-parallel
Strand 18
A
282 286anti-parallel
Strand 19
A
303 307anti-parallel
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