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


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 2QRN entry

There are 4 chains in PDB entry 2QRN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 20LEU 260
B
 ARG 20LEU 260
C
 ARG 20LEU 260
D
 ARG 20LEU 260
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 56 helices in PDB entry 2QRN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
33 43Right-handed alpha
Helix 2
2
A
54 60Right-handed alpha
Helix 3
3
A
80 88Right-handed alpha
Helix 4
4
A
88 112Right-handed alpha
Helix 5
5
A
113 119Right-handed 310
Helix 6
6
A
129 136Right-handed alpha
Helix 7
7
A
136 144Right-handed alpha
Helix 8
8
A
148 163Right-handed alpha
Helix 9
9
A
164 170Right-handed 310
Helix 10
10
A
181 193Right-handed alpha
Helix 11
11
A
196 200Right-handed 310
Helix 12
12
A
201 217Right-handed alpha
Helix 13
13
A
227 231Right-handed 310
Helix 14
14
A
245 258Right-handed alpha
Helix 15
15
B
33 43Right-handed alpha
Helix 16
16
B
54 60Right-handed alpha
Helix 17
17
B
80 88Right-handed alpha
Helix 18
18
B
88 112Right-handed alpha
Helix 19
19
B
113 119Right-handed 310
Helix 20
20
B
129 136Right-handed alpha
Helix 21
21
B
136 144Right-handed alpha
Helix 22
22
B
148 163Right-handed alpha
Helix 23
23
B
164 170Right-handed 310
Helix 24
24
B
181 193Right-handed alpha
Helix 25
25
B
196 200Right-handed 310
Helix 26
26
B
201 217Right-handed alpha
Helix 27
27
B
227 231Right-handed 310
Helix 28
28
B
245 258Right-handed alpha
Helix 29
29
C
33 43Right-handed alpha
Helix 30
30
C
54 60Right-handed alpha
Helix 31
31
C
80 88Right-handed alpha
Helix 32
32
C
88 112Right-handed alpha
Helix 33
33
C
113 119Right-handed 310
Helix 34
34
C
129 136Right-handed alpha
Helix 35
35
C
136 144Right-handed alpha
Helix 36
36
C
148 163Right-handed alpha
Helix 37
37
C
164 170Right-handed 310
Helix 38
38
C
181 193Right-handed alpha
Helix 39
39
C
196 200Right-handed 310
Helix 40
40
C
201 217Right-handed alpha
Helix 41
41
C
227 231Right-handed 310
Helix 42
42
C
245 258Right-handed alpha
Helix 43
43
D
33 43Right-handed alpha
Helix 44
44
D
54 60Right-handed alpha
Helix 45
45
D
80 88Right-handed alpha
Helix 46
46
D
88 112Right-handed alpha
Helix 47
47
D
113 119Right-handed 310
Helix 48
48
D
129 136Right-handed alpha
Helix 49
49
D
136 144Right-handed alpha
Helix 50
50
D
148 163Right-handed alpha
Helix 51
51
D
164 170Right-handed 310
Helix 52
52
D
181 193Right-handed alpha
Helix 53
53
D
196 200Right-handed 310
Helix 54
54
D
201 217Right-handed alpha
Helix 55
55
D
227 231Right-handed 310
Helix 56
56
D
245 258Right-handed alpha
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There are 4 sheets in PDB entry 2QRN. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
48 51first strand
Strand 2
A
123 127parallel
Strand 3
A
22 28parallel
Strand 4
A
174 179parallel
Strand 5
A
233 237parallel
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There are 5 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
48 51first strand
Strand 2
B
123 127parallel
Strand 3
B
22 28parallel
Strand 4
B
174 179parallel
Strand 5
B
233 237parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
48 51first strand
Strand 2
C
123 127parallel
Strand 3
C
22 28parallel
Strand 4
C
174 179parallel
Strand 5
C
233 237parallel
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There are 5 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
48 51first strand
Strand 2
D
123 127parallel
Strand 3
D
22 28parallel
Strand 4
D
174 179parallel
Strand 5
D
233 237parallel
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