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


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 3PKQ entry

There are 4 chains in PDB entry 3PKQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 3LYS 290
B
 MET 1LYS 290
C
 ARG 4LYS 290
D
 ARG 4LYS 290
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 60 helices in PDB entry 3PKQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
14 18Right-handed 310
Helix 2
2
A
25 28Right-handed 310
Helix 3
3
A
37 47Right-handed alpha
Helix 4
4
A
60 69Right-handed alpha
Helix 5
5
A
71 75Right-handed 310
Helix 6
6
A
91 96Right-handed alpha
Helix 7
7
A
96 101Right-handed alpha
Helix 8
8
A
118 128Right-handed alpha
Helix 9
9
A
142 145Right-handed 310
Helix 10
10
A
182 189Right-handed alpha
Helix 11
11
A
199 210Right-handed alpha
Helix 12
12
A
229 248Right-handed alpha
Helix 13
13
A
253 261Right-handed alpha
Helix 14
14
A
265 274Right-handed alpha
Helix 15
15
A
279 289Right-handed alpha
Helix 16
16
B
14 18Right-handed 310
Helix 17
17
B
25 28Right-handed 310
Helix 18
18
B
37 47Right-handed alpha
Helix 19
19
B
60 69Right-handed alpha
Helix 20
20
B
71 75Right-handed 310
Helix 21
21
B
91 96Right-handed alpha
Helix 22
22
B
96 101Right-handed alpha
Helix 23
23
B
118 128Right-handed alpha
Helix 24
24
B
142 145Right-handed 310
Helix 25
25
B
182 189Right-handed alpha
Helix 26
26
B
199 210Right-handed alpha
Helix 27
27
B
229 248Right-handed alpha
Helix 28
28
B
253 261Right-handed alpha
Helix 29
29
B
265 274Right-handed alpha
Helix 30
30
B
279 289Right-handed alpha
Helix 31
31
C
14 18Right-handed 310
Helix 32
32
C
25 28Right-handed 310
Helix 33
33
C
37 46Right-handed alpha
Helix 34
34
C
60 69Right-handed alpha
Helix 35
35
C
71 75Right-handed 310
Helix 36
36
C
91 96Right-handed alpha
Helix 37
37
C
96 101Right-handed alpha
Helix 38
38
C
118 128Right-handed alpha
Helix 39
39
C
142 145Right-handed 310
Helix 40
40
C
182 189Right-handed alpha
Helix 41
41
C
199 210Right-handed alpha
Helix 42
42
C
229 248Right-handed alpha
Helix 43
43
C
253 261Right-handed alpha
Helix 44
44
C
265 274Right-handed alpha
Helix 45
45
C
279 289Right-handed alpha
Helix 46
46
D
14 18Right-handed 310
Helix 47
47
D
25 28Right-handed 310
Helix 48
48
D
37 47Right-handed alpha
Helix 49
49
D
60 69Right-handed alpha
Helix 50
50
D
71 75Right-handed 310
Helix 51
51
D
91 96Right-handed alpha
Helix 52
52
D
96 101Right-handed alpha
Helix 53
53
D
118 128Right-handed alpha
Helix 54
54
D
142 145Right-handed 310
Helix 55
55
D
182 189Right-handed alpha
Helix 56
56
D
199 210Right-handed alpha
Helix 57
57
D
229 248Right-handed alpha
Helix 58
58
D
253 261Right-handed alpha
Helix 59
59
D
265 274Right-handed alpha
Helix 60
60
D
279 289Right-handed alpha
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There are 16 sheets in PDB entry 3PKQ. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P,

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
77 82first strand
Strand 2
A
51 56parallel
Strand 3
A
5 9parallel
Strand 4
A
105 109parallel
Strand 5
A
171 179anti-parallel
Strand 6
A
133 139anti-parallel
Strand 7
A
213 218parallel
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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
A
30 31first strand
Strand 2
A
34 35anti-parallel
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There are 2 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
112 115first strand
Strand 2
A
223 226anti-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
147 150first strand
Strand 2
A
159 162anti-parallel
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There are 7 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
77 82first strand
Strand 2
B
51 56parallel
Strand 3
B
5 9parallel
Strand 4
B
105 109parallel
Strand 5
B
172 179anti-parallel
Strand 6
B
133 138anti-parallel
Strand 7
B
213 218parallel
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There are 2 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
30 31first strand
Strand 2
B
34 35anti-parallel
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There are 2 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
112 115first strand
Strand 2
B
223 226anti-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
147 151first strand
Strand 2
B
157 162anti-parallel
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There are 7 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
77 82first strand
Strand 2
C
51 56parallel
Strand 3
C
5 9parallel
Strand 4
C
105 109parallel
Strand 5
C
171 179anti-parallel
Strand 6
C
133 139anti-parallel
Strand 7
C
213 218parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
30 31first strand
Strand 2
C
34 35anti-parallel
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There are 2 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
112 115first strand
Strand 2
C
223 226anti-parallel
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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
147 151first strand
Strand 2
C
157 162anti-parallel
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There are 7 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
77 82first strand
Strand 2
D
51 56parallel
Strand 3
D
5 9parallel
Strand 4
D
105 109parallel
Strand 5
D
171 179anti-parallel
Strand 6
D
133 139anti-parallel
Strand 7
D
213 218parallel
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There are 2 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
30 31first strand
Strand 2
D
34 35anti-parallel
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There are 2 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
112 115first strand
Strand 2
D
223 226anti-parallel
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There are 2 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
147 151first strand
Strand 2
D
157 162anti-parallel
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