Analysis of interatomic Contacts of Structural Units in PDB entry:
4K9Q


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 4K9Q entry

There are 2 chains in PDB entry 4K9Q (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LEU 531
B
 ARG 2LEU 531
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 52 helices in PDB entry 4K9Q. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
4 16Right-handed alpha
Helix 2
2
A
25 27Right-handed 310
Helix 3
3
A
28 33Right-handed alpha
Helix 4
4
A
46 62Right-handed alpha
Helix 5
5
A
70 78Right-handed alpha
Helix 6
6
A
78 89Right-handed alpha
Helix 7
7
A
103 107Right-handed 310
Helix 8
8
A
114 118Right-handed 310
Helix 9
9
A
131 133Right-handed 310
Helix 10
10
A
134 148Right-handed alpha
Helix 11
11
A
161 163Right-handed 310
Helix 12
12
A
183 197Right-handed alpha
Helix 13
13
A
206 211Right-handed alpha
Helix 14
14
A
213 225Right-handed alpha
Helix 15
15
A
253 261Right-handed alpha
Helix 16
16
A
298 304Right-handed alpha
Helix 17
17
A
314 324Right-handed alpha
Helix 18
18
A
351 362Right-handed alpha
Helix 19
19
A
373 375Right-handed 310
Helix 20
20
A
376 384Right-handed alpha
Helix 21
21
A
402 418Right-handed alpha
Helix 22
22
A
429 434Right-handed alpha
Helix 23
23
A
437 446Right-handed alpha
Helix 24
24
A
459 469Right-handed alpha
Helix 25
25
A
483 491Right-handed alpha
Helix 26
26
A
500 514Right-handed alpha
Helix 27
27
B
3 16Right-handed alpha
Helix 28
28
B
25 27Right-handed 310
Helix 29
29
B
28 33Right-handed alpha
Helix 30
30
B
46 62Right-handed alpha
Helix 31
31
B
70 78Right-handed alpha
Helix 32
32
B
78 89Right-handed alpha
Helix 33
33
B
103 107Right-handed 310
Helix 34
34
B
114 118Right-handed 310
Helix 35
35
B
131 133Right-handed 310
Helix 36
36
B
134 148Right-handed alpha
Helix 37
37
B
161 163Right-handed 310
Helix 38
38
B
183 197Right-handed alpha
Helix 39
39
B
206 211Right-handed alpha
Helix 40
40
B
213 225Right-handed alpha
Helix 41
41
B
253 261Right-handed alpha
Helix 42
42
B
298 304Right-handed alpha
Helix 43
43
B
314 324Right-handed alpha
Helix 44
44
B
351 362Right-handed alpha
Helix 45
45
B
373 375Right-handed 310
Helix 46
46
B
376 384Right-handed alpha
Helix 47
47
B
402 418Right-handed alpha
Helix 48
48
B
429 434Right-handed alpha
Helix 49
49
B
437 446Right-handed alpha
Helix 50
50
B
459 469Right-handed alpha
Helix 51
51
B
483 491Right-handed alpha
Helix 52
52
B
500 514Right-handed alpha
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There are 8 sheets in PDB entry 4K9Q. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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
2 3first strand
Strand 2
A
166 167anti-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
40 43first strand
Strand 2
A
19 22parallel
Strand 3
A
66 69parallel
Strand 4
A
93 98parallel
Strand 5
A
154 159parallel
Strand 6
A
126 127parallel
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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
180 181first strand
Strand 2
B
181 182anti-parallel
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There are 6 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
246 249first strand
Strand 2
A
228 230parallel
Strand 3
A
201 204parallel
Strand 4
A
266 270parallel
Strand 5
A
291 296parallel
Strand 6
A
309 312parallel
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There are 6 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
392 393first strand
Strand 2
A
368 372parallel
Strand 3
A
423 428parallel
Strand 4
A
449 455parallel
Strand 5
A
517 523parallel
Strand 6
A
494 497parallel
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There are 6 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
40 43first strand
Strand 2
B
19 22parallel
Strand 3
B
66 69parallel
Strand 4
B
93 98parallel
Strand 5
B
154 159parallel
Strand 6
B
126 127parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
246 249first strand
Strand 2
B
228 230parallel
Strand 3
B
201 204parallel
Strand 4
B
266 270parallel
Strand 5
B
291 296parallel
Strand 6
B
309 312parallel
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There are 6 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
392 393first strand
Strand 2
B
368 372parallel
Strand 3
B
423 428parallel
Strand 4
B
449 455parallel
Strand 5
B
517 523parallel
Strand 6
B
494 497parallel
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