Analysis of interatomic Contacts of Structural Units in PDB entry:
1LK9


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 1LK9 entry

There are 2 chains in PDB entry 1LK9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 1LYS 425
B
 LYS 1LYS 427
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 36 helices in PDB entry 1LK9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
5 17Right-handed alpha
Helix 2
2
A
66 68Right-handed 310
Helix 3
3
A
69 74Right-handed alpha
Helix 4
4
A
76 81Right-handed alpha
Helix 5
5
A
102 117Right-handed alpha
Helix 6
6
A
130 144Right-handed alpha
Helix 7
7
A
165 175Right-handed alpha
Helix 8
8
A
187 190Right-handed 310
Helix 9
9
A
194 196Right-handed 310
Helix 10
10
A
249 253Right-handed alpha
Helix 11
11
A
255 259Right-handed 310
Helix 12
12
A
267 282Right-handed alpha
Helix 13
13
A
286 308Right-handed alpha
Helix 14
14
A
313 334Right-handed alpha
Helix 15
15
A
370 374Right-handed 310
Helix 16
16
A
375 383Right-handed alpha
Helix 17
17
A
391 394Right-handed 310
Helix 18
18
A
407 423Right-handed alpha
Helix 19
19
B
5 17Right-handed alpha
Helix 20
20
B
66 68Right-handed 310
Helix 21
21
B
69 74Right-handed alpha
Helix 22
22
B
76 81Right-handed alpha
Helix 23
23
B
102 117Right-handed alpha
Helix 24
24
B
130 144Right-handed alpha
Helix 25
25
B
165 175Right-handed alpha
Helix 26
26
B
187 190Right-handed 310
Helix 27
27
B
194 196Right-handed 310
Helix 28
28
B
249 253Right-handed alpha
Helix 29
29
B
255 259Right-handed 310
Helix 30
30
B
267 283Right-handed alpha
Helix 31
31
B
286 308Right-handed alpha
Helix 32
32
B
313 334Right-handed alpha
Helix 33
33
B
370 374Right-handed 310
Helix 34
34
B
375 383Right-handed alpha
Helix 35
35
B
391 394Right-handed 310
Helix 36
36
B
407 424Right-handed alpha
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There are 15 sheets in PDB entry 1LK9. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O,

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
24 25first strand
Strand 2
A
40 41anti-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
32 33first strand
Strand 2
A
36 37anti-parallel
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There are 2 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
45 46first strand
Strand 2
A
52 53anti-parallel
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There are 2 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
59 60first strand
Strand 2
A
385 386parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
82 84first strand
Strand 2
B
82 84anti-parallel
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There are 7 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
125 129first strand
Strand 2
A
261 265anti-parallel
Strand 3
A
244 248anti-parallel
Strand 4
A
221 225parallel
Strand 5
A
198 203parallel
Strand 6
A
156 160parallel
Strand 7
A
180 185parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
339 341first strand
Strand 2
A
363 368anti-parallel
Strand 3
A
399 403anti-parallel
Strand 4
A
388 389anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
348 350first strand
Strand 2
A
355 357anti-parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
24 25first strand
Strand 2
B
40 41anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
32 33first strand
Strand 2
B
36 37anti-parallel
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There are 2 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
45 46first strand
Strand 2
B
52 53anti-parallel
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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
59 60first strand
Strand 2
B
385 386parallel
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There are 7 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
125 129first strand
Strand 2
B
261 265anti-parallel
Strand 3
B
244 248anti-parallel
Strand 4
B
221 225parallel
Strand 5
B
198 203parallel
Strand 6
B
156 160parallel
Strand 7
B
180 185parallel
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There are 4 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
339 341first strand
Strand 2
B
363 368anti-parallel
Strand 3
B
399 403anti-parallel
Strand 4
B
388 389anti-parallel
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There are 2 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
348 350first strand
Strand 2
B
355 357anti-parallel
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