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


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 3QEK entry

There are 2 chains in PDB entry 3QEK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 23GLY 405
B
 PRO 24GLY 405
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 27 helices in PDB entry 3QEK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
35 53Right-handed alpha
Helix 2
2
A
70 82Right-handed alpha
Helix 3
3
A
83 85Right-handed 310
Helix 4
4
A
104 113Right-handed alpha
Helix 5
5
A
125 130Right-handed 310
Helix 6
6
A
143 145Right-handed 310
Helix 7
7
A
146 158Right-handed alpha
Helix 8
8
A
170 185Right-handed alpha
Helix 9
9
A
225 234Right-handed alpha
Helix 10
10
A
245 259Right-handed alpha
Helix 11
11
A
272 281Right-handed 310
Helix 12
12
A
297 318Right-handed alpha
Helix 13
13
A
338 348Right-handed alpha
Helix 14
14
B
35 53Right-handed alpha
Helix 15
15
B
70 82Right-handed alpha
Helix 16
16
B
83 85Right-handed 310
Helix 17
17
B
104 113Right-handed alpha
Helix 18
18
B
125 130Right-handed 310
Helix 19
19
B
143 146Right-handed 310
Helix 20
20
B
147 158Right-handed alpha
Helix 21
21
B
170 195Right-handed alpha
Helix 22
22
B
225 234Right-handed alpha
Helix 23
23
B
245 259Right-handed alpha
Helix 24
24
B
272 275Right-handed 310
Helix 25
25
B
276 283Right-handed alpha
Helix 26
26
B
297 317Right-handed alpha
Helix 27
27
B
338 348Right-handed alpha
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There are 8 sheets in PDB entry 3QEK. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 5 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
58 66first strand
Strand 2
A
25 33parallel
Strand 3
A
87 92parallel
Strand 4
A
118 120parallel
Strand 5
A
137 139parallel
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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
211 218first strand
Strand 2
A
162 168parallel
Strand 3
A
239 243parallel
Strand 4
A
267 269parallel
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There are 4 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
288 292first strand
Strand 2
A
372 378anti-parallel
Strand 3
A
381 388anti-parallel
Strand 4
A
393 395anti-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
351 354first strand
Strand 2
A
357 359anti-parallel
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There are 5 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
59 66first strand
Strand 2
B
26 33parallel
Strand 3
B
87 92parallel
Strand 4
B
118 120parallel
Strand 5
B
137 139parallel
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There are 4 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
211 218first strand
Strand 2
B
162 168parallel
Strand 3
B
239 243parallel
Strand 4
B
267 270parallel
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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
B
288 292first strand
Strand 2
B
372 378anti-parallel
Strand 3
B
381 388anti-parallel
Strand 4
B
393 395anti-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
B
351 354first strand
Strand 2
B
357 359anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il