Analysis of interatomic Contacts of Structural Units in PDB entry:
1PK5


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 1PK5 entry

There are 2 chains in PDB entry 1PK5 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 318ARG 559
B
 SER 319ARG 559
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 23 helices in PDB entry 1PK5. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
321 330Right-handed alpha
Helix 2
2
A
333 352Right-handed alpha
Helix 3
3
A
360 382Right-handed alpha
Helix 4
4
A
384 388Right-handed 310
Helix 5
5
A
389 417Right-handed alpha
Helix 6
6
A
432 438Right-handed alpha
Helix 7
7
A
440 460Right-handed alpha
Helix 8
8
A
463 476Right-handed alpha
Helix 9
9
A
485 508Right-handed alpha
Helix 10
10
A
513 520Right-handed alpha
Helix 11
11
A
521 542Right-handed alpha
Helix 12
12
A
548 556Right-handed alpha
Helix 13
13
B
321 329Right-handed alpha
Helix 14
14
B
333 351Right-handed alpha
Helix 15
15
B
359 382Right-handed alpha
Helix 16
16
B
382 387Right-handed alpha
Helix 17
17
B
389 417Right-handed alpha
Helix 18
18
B
431 438Right-handed alpha
Helix 19
19
B
440 460Right-handed alpha
Helix 20
20
B
463 476Right-handed alpha
Helix 21
21
B
485 508Right-handed alpha
Helix 22
22
B
513 542Right-handed alpha
Helix 23
23
B
549 556Right-handed alpha
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There is 1 sheet ( A) in PDB entry 1PK5.

There are 2 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
421 423first strand
Strand 2
A
429 431anti-parallel
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