Analysis of interatomic Contacts of Structural Units in PDB entry:
3K4Q


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 3K4Q entry

There are 2 chains in PDB entry 3K4Q (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 7ALA 444
B
 SER 7ALA 444
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 46 helices in PDB entry 3K4Q. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
18 23Right-handed alpha
Helix 2
2
A
24 29Right-handed 310
Helix 3
3
A
34 38Right-handed 310
Helix 4
4
A
65 83Right-handed alpha
Helix 5
5
A
87 95Right-handed 310
Helix 6
6
A
106 124Right-handed alpha
Helix 7
7
A
124 129Right-handed alpha
Helix 8
8
A
140 160Right-handed alpha
Helix 9
9
A
192 198Right-handed alpha
Helix 10
10
A
199 210Right-handed alpha
Helix 11
11
A
212 224Right-handed alpha
Helix 12
12
A
230 246Right-handed alpha
Helix 13
13
A
248 253Right-handed 310
Helix 14
14
A
256 262Right-handed 310
Helix 15
15
A
263 282Right-handed alpha
Helix 16
16
A
289 292Right-handed 310
Helix 17
17
A
293 306Right-handed alpha
Helix 18
18
A
316 321Right-handed alpha
Helix 19
19
A
338 349Right-handed alpha
Helix 20
20
A
373 378Right-handed alpha
Helix 21
21
A
423 430Right-handed alpha
Helix 22
22
A
430 435Right-handed alpha
Helix 23
23
A
438 443Right-handed 310
Helix 24
24
B
18 23Right-handed alpha
Helix 25
25
B
24 29Right-handed 310
Helix 26
26
B
34 38Right-handed 310
Helix 27
27
B
65 83Right-handed alpha
Helix 28
28
B
87 95Right-handed 310
Helix 29
29
B
106 124Right-handed alpha
Helix 30
30
B
124 129Right-handed alpha
Helix 31
31
B
140 160Right-handed alpha
Helix 32
32
B
192 198Right-handed alpha
Helix 33
33
B
199 210Right-handed alpha
Helix 34
34
B
212 224Right-handed alpha
Helix 35
35
B
230 247Right-handed alpha
Helix 36
36
B
248 253Right-handed 310
Helix 37
37
B
256 262Right-handed 310
Helix 38
38
B
263 282Right-handed alpha
Helix 39
39
B
289 292Right-handed 310
Helix 40
40
B
293 306Right-handed alpha
Helix 41
41
B
316 321Right-handed alpha
Helix 42
42
B
338 349Right-handed alpha
Helix 43
43
B
373 378Right-handed alpha
Helix 44
44
B
423 430Right-handed alpha
Helix 45
45
B
430 435Right-handed alpha
Helix 46
46
B
438 443Right-handed 310
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There are 6 sheets in PDB entry 3K4Q. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

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
9 10first strand
Strand 2
A
14 15anti-parallel
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There are 7 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
175 178first strand
Strand 2
A
134 139parallel
Strand 3
A
332 337parallel
Strand 4
A
48 58parallel
Strand 5
A
383 391anti-parallel
Strand 6
A
398 403anti-parallel
Strand 7
A
406 407anti-parallel
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There are 7 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
175 178first strand
Strand 2
A
134 139parallel
Strand 3
A
332 337parallel
Strand 4
A
48 58parallel
Strand 5
A
383 391anti-parallel
Strand 6
A
398 403anti-parallel
Strand 7
A
421 422anti-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
B
9 10first strand
Strand 2
B
14 15anti-parallel
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There are 7 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
175 177first strand
Strand 2
B
134 138parallel
Strand 3
B
332 337parallel
Strand 4
B
49 58parallel
Strand 5
B
383 390anti-parallel
Strand 6
B
398 403anti-parallel
Strand 7
B
406 407anti-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
B
175 177first strand
Strand 2
B
134 138parallel
Strand 3
B
332 337parallel
Strand 4
B
49 58parallel
Strand 5
B
383 390anti-parallel
Strand 6
B
398 403anti-parallel
Strand 7
B
421 422anti-parallel
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