Analysis of interatomic Contacts of Structural Units in PDB entry:
2QR4


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 2QR4 entry

There are 2 chains in PDB entry 2QR4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LEU 25GLU 602
B
 LEU 25ASP 600
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 62 helices in PDB entry 2QR4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
25 41Right-handed alpha
Helix 2
2
A
43 48Right-handed alpha
Helix 3
3
A
50 53Right-handed 310
Helix 4
4
A
54 86Right-handed alpha
Helix 5
5
A
89 110Right-handed alpha
Helix 6
6
A
112 118Right-handed alpha
Helix 7
7
A
121 132Right-handed alpha
Helix 8
8
A
133 137Right-handed 310
Helix 9
9
A
138 147Right-handed alpha
Helix 10
10
A
148 152Right-handed 310
Helix 11
11
A
154 164Right-handed alpha
Helix 12
12
A
164 181Right-handed alpha
Helix 13
13
A
199 208Right-handed alpha
Helix 14
14
A
211 229Right-handed alpha
Helix 15
15
A
229 251Right-handed alpha
Helix 16
16
A
255 263Right-handed alpha
Helix 17
17
A
267 281Right-handed alpha
Helix 18
18
A
281 297Right-handed alpha
Helix 19
19
A
302 306Right-handed 310
Helix 20
20
A
323 331Right-handed alpha
Helix 21
21
A
334 341Right-handed alpha
Helix 22
22
A
382 402Right-handed alpha
Helix 23
23
A
415 437Right-handed alpha
Helix 24
24
A
439 458Right-handed alpha
Helix 25
25
A
458 477Right-handed alpha
Helix 26
26
A
482 499Right-handed alpha
Helix 27
27
A
505 520Right-handed 310
Helix 28
28
A
524 543Right-handed alpha
Helix 29
29
A
547 559Right-handed alpha
Helix 30
30
A
563 571Right-handed alpha
Helix 31
31
A
578 602Right-handed alpha
Helix 32
32
B
26 41Right-handed alpha
Helix 33
33
B
42 44Right-handed 310
Helix 34
34
B
54 86Right-handed alpha
Helix 35
35
B
89 110Right-handed alpha
Helix 36
36
B
112 118Right-handed alpha
Helix 37
37
B
121 132Right-handed alpha
Helix 38
38
B
133 137Right-handed 310
Helix 39
39
B
138 147Right-handed alpha
Helix 40
40
B
148 152Right-handed 310
Helix 41
41
B
154 164Right-handed alpha
Helix 42
42
B
164 181Right-handed alpha
Helix 43
43
B
199 209Right-handed alpha
Helix 44
44
B
211 229Right-handed alpha
Helix 45
45
B
229 251Right-handed alpha
Helix 46
46
B
255 263Right-handed alpha
Helix 47
47
B
267 281Right-handed alpha
Helix 48
48
B
281 297Right-handed alpha
Helix 49
49
B
302 306Right-handed 310
Helix 50
50
B
325 331Right-handed alpha
Helix 51
51
B
332 334Right-handed 310
Helix 52
52
B
335 340Right-handed alpha
Helix 53
53
B
383 398Right-handed alpha
Helix 54
54
B
415 437Right-handed alpha
Helix 55
55
B
439 458Right-handed alpha
Helix 56
56
B
458 478Right-handed alpha
Helix 57
57
B
482 499Right-handed alpha
Helix 58
58
B
505 520Right-handed 310
Helix 59
59
B
524 543Right-handed alpha
Helix 60
60
B
547 556Right-handed alpha
Helix 61
61
B
563 571Right-handed alpha
Helix 62
62
B
578 600Right-handed alpha
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There are 2 sheets in PDB entry 2QR4. Click on sheet of interest to get list of strands forming it: A, B,

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
187 189first strand
Strand 2
A
195 197anti-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
B
187 189first strand
Strand 2
B
195 197anti-parallel
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