Analysis of interatomic Contacts of Structural Units in PDB entry:
3K40


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 3K40 entry

There are 4 chains in PDB entry 3K40 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1HIS 301
A
 TRP 303GLN 475
B
 MET 1HIS 301
B
 TRP 303GLN 475
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 41 helices in PDB entry 3K40. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 23Right-handed alpha
Helix 2
2
A
24 27Right-handed 310
Helix 3
3
A
38 42Right-handed 310
Helix 4
4
A
52 64Right-handed alpha
Helix 5
5
A
65 68Right-handed 310
Helix 6
6
A
85 99Right-handed alpha
Helix 7
7
A
108 126Right-handed alpha
Helix 8
8
A
129 137Right-handed 310
Helix 9
9
A
147 171Right-handed alpha
Helix 10
10
A
175 182Right-handed alpha
Helix 11
11
A
192 203Right-handed alpha
Helix 12
12
A
217 231Right-handed alpha
Helix 13
13
A
252 263Right-handed alpha
Helix 14
14
A
273 288Right-handed 310
Helix 15
15
A
289 293Right-handed 310
Helix 16
16
A
299 304Right-handed alpha
Helix 17
17
A
317 321Right-handed 310
Helix 18
18
A
351 354Right-handed 310
Helix 19
19
A
355 392Right-handed alpha
Helix 20
20
A
413 428Right-handed alpha
Helix 21
21
A
453 473Right-handed alpha
Helix 22
22
B
2 23Right-handed alpha
Helix 23
23
B
24 27Right-handed 310
Helix 24
24
B
38 42Right-handed 310
Helix 25
25
B
52 64Right-handed alpha
Helix 26
26
B
65 68Right-handed 310
Helix 27
27
B
85 99Right-handed alpha
Helix 28
28
B
108 126Right-handed alpha
Helix 29
29
B
129 137Right-handed 310
Helix 30
30
B
147 171Right-handed alpha
Helix 31
31
B
175 181Right-handed alpha
Helix 32
32
B
192 203Right-handed alpha
Helix 33
33
B
217 230Right-handed alpha
Helix 34
34
B
252 263Right-handed alpha
Helix 35
35
B
273 288Right-handed 310
Helix 36
36
B
289 293Right-handed 310
Helix 37
37
B
299 304Right-handed alpha
Helix 38
38
B
351 354Right-handed 310
Helix 39
39
B
355 391Right-handed alpha
Helix 40
40
B
413 428Right-handed alpha
Helix 41
41
B
453 473Right-handed alpha
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There are 4 sheets in PDB entry 3K40. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 7 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
141 145first strand
Strand 2
A
311 315anti-parallel
Strand 3
A
295 298anti-parallel
Strand 4
A
266 270parallel
Strand 5
A
234 241parallel
Strand 6
A
183 188parallel
Strand 7
A
205 209parallel
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There are 4 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
395 397first strand
Strand 2
A
405 410anti-parallel
Strand 3
A
440 446anti-parallel
Strand 4
A
433 437anti-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
B
141 145first strand
Strand 2
B
311 315anti-parallel
Strand 3
B
295 298anti-parallel
Strand 4
B
266 270parallel
Strand 5
B
234 241parallel
Strand 6
B
183 188parallel
Strand 7
B
205 209parallel
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There are 4 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
395 397first strand
Strand 2
B
405 410anti-parallel
Strand 3
B
440 446anti-parallel
Strand 4
B
433 437anti-parallel
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