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


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 3QKA entry

There are 6 chains in PDB entry 3QKA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 3GLU 235
B
 ASP 3GLU 238
C
 VAL 1PHE 243
D
 ASP 3HIS 250
E
 SER -1GLY 241
F
 ASP 3LEU 191
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 70 helices in PDB entry 3QKA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
20 24Right-handed 310
Helix 2
2
A
28 45Right-handed alpha
Helix 3
3
A
106 115Right-handed alpha
Helix 4
4
A
129 134Right-handed alpha
Helix 5
5
A
140 150Right-handed alpha
Helix 6
6
A
150 161Right-handed alpha
Helix 7
7
A
166 172Right-handed alpha
Helix 8
8
A
183 198Right-handed alpha
Helix 9
9
A
199 213Right-handed alpha
Helix 10
10
A
217 235Right-handed alpha
Helix 11
11
B
20 24Right-handed 310
Helix 12
12
B
28 45Right-handed alpha
Helix 13
13
B
65 69Right-handed 310
Helix 14
14
B
106 115Right-handed alpha
Helix 15
15
B
129 134Right-handed alpha
Helix 16
16
B
140 150Right-handed alpha
Helix 17
17
B
150 161Right-handed alpha
Helix 18
18
B
166 172Right-handed alpha
Helix 19
19
B
183 198Right-handed alpha
Helix 20
20
B
199 213Right-handed alpha
Helix 21
21
B
214 216Right-handed 310
Helix 22
22
B
217 227Right-handed alpha
Helix 23
23
B
230 238Right-handed alpha
Helix 24
24
C
20 24Right-handed 310
Helix 25
25
C
28 45Right-handed alpha
Helix 26
26
C
65 69Right-handed 310
Helix 27
27
C
106 115Right-handed alpha
Helix 28
28
C
129 134Right-handed alpha
Helix 29
29
C
140 150Right-handed alpha
Helix 30
30
C
150 161Right-handed alpha
Helix 31
31
C
166 172Right-handed alpha
Helix 32
32
C
183 197Right-handed alpha
Helix 33
33
C
199 213Right-handed alpha
Helix 34
34
C
217 227Right-handed alpha
Helix 35
35
C
227 243Right-handed alpha
Helix 36
36
D
20 24Right-handed 310
Helix 37
37
D
28 45Right-handed alpha
Helix 38
38
D
65 69Right-handed 310
Helix 39
39
D
106 115Right-handed alpha
Helix 40
40
D
129 132Right-handed 310
Helix 41
41
D
140 150Right-handed alpha
Helix 42
42
D
150 161Right-handed alpha
Helix 43
43
D
166 172Right-handed alpha
Helix 44
44
D
183 197Right-handed alpha
Helix 45
45
D
199 213Right-handed alpha
Helix 46
46
D
217 245Right-handed alpha
Helix 47
47
E
20 24Right-handed 310
Helix 48
48
E
28 45Right-handed alpha
Helix 49
49
E
65 69Right-handed 310
Helix 50
50
E
106 115Right-handed alpha
Helix 51
51
E
129 134Right-handed alpha
Helix 52
52
E
140 150Right-handed alpha
Helix 53
53
E
150 161Right-handed alpha
Helix 54
54
E
166 172Right-handed alpha
Helix 55
55
E
183 197Right-handed alpha
Helix 56
56
E
199 213Right-handed alpha
Helix 57
57
E
217 227Right-handed alpha
Helix 58
58
E
227 232Right-handed alpha
Helix 59
59
E
232 241Right-handed alpha
Helix 60
60
F
20 24Right-handed 310
Helix 61
61
F
28 45Right-handed alpha
Helix 62
62
F
65 69Right-handed 310
Helix 63
63
F
106 115Right-handed alpha
Helix 64
64
F
129 134Right-handed alpha
Helix 65
65
F
140 150Right-handed alpha
Helix 66
66
F
150 161Right-handed alpha
Helix 67
67
F
166 172Right-handed alpha
Helix 68
68
F
183 197Right-handed alpha
Helix 69
69
F
199 213Right-handed alpha
Helix 70
70
F
217 241Right-handed alpha
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There are 12 sheets in PDB entry 3QKA. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 6 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
5 10first strand
Strand 2
A
13 18anti-parallel
Strand 3
A
50 55parallel
Strand 4
A
96 100parallel
Strand 5
A
117 121parallel
Strand 6
A
177 179parallel
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There are 3 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
103 105first strand
Strand 2
A
125 127parallel
Strand 3
A
163 165anti-parallel
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There are 6 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
5 10first strand
Strand 2
B
13 18anti-parallel
Strand 3
B
50 55parallel
Strand 4
B
96 100parallel
Strand 5
B
117 121parallel
Strand 6
B
177 179parallel
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There are 3 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
103 105first strand
Strand 2
B
125 127parallel
Strand 3
B
164 165anti-parallel
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There are 6 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
5 10first strand
Strand 2
C
13 18anti-parallel
Strand 3
C
50 55parallel
Strand 4
C
96 100parallel
Strand 5
C
117 121parallel
Strand 6
C
177 179parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
103 105first strand
Strand 2
C
125 127parallel
Strand 3
C
164 165anti-parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
5 10first strand
Strand 2
D
13 18anti-parallel
Strand 3
D
50 55parallel
Strand 4
D
96 100parallel
Strand 5
D
117 121parallel
Strand 6
D
177 179parallel
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There are 3 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
103 105first strand
Strand 2
D
125 127parallel
Strand 3
D
163 165anti-parallel
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There are 6 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
5 10first strand
Strand 2
E
13 18anti-parallel
Strand 3
E
50 55parallel
Strand 4
E
96 100parallel
Strand 5
E
117 121parallel
Strand 6
E
177 179parallel
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There are 3 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
103 105first strand
Strand 2
E
125 127parallel
Strand 3
E
163 165anti-parallel
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There are 6 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
5 10first strand
Strand 2
F
13 18anti-parallel
Strand 3
F
50 55parallel
Strand 4
F
96 100parallel
Strand 5
F
117 121parallel
Strand 6
F
177 179parallel
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There are 3 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
103 105first strand
Strand 2
F
125 127parallel
Strand 3
F
163 165anti-parallel
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