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


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 3PKI entry

There are 6 chains in PDB entry 3PKI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 11LEU 295
B
 ASP 12LEU 295
C
 ASP 12LYS 294
D
 LYS 13LEU 295
E
 ASP 12LEU 295
F
 LYS 13LYS 294
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 3PKI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
24 42Right-handed alpha
Helix 2
2
A
51 58Right-handed 310
Helix 3
3
A
67 74Right-handed alpha
Helix 4
4
A
90 102Right-handed alpha
Helix 5
5
A
115 119Right-handed alpha
Helix 6
6
A
191 205Right-handed alpha
Helix 7
7
A
219 223Right-handed 310
Helix 8
8
A
224 230Right-handed alpha
Helix 9
9
A
244 248Right-handed 310
Helix 10
10
A
255 267Right-handed alpha
Helix 11
11
B
24 42Right-handed alpha
Helix 12
12
B
51 58Right-handed 310
Helix 13
13
B
67 74Right-handed alpha
Helix 14
14
B
90 102Right-handed alpha
Helix 15
15
B
115 119Right-handed alpha
Helix 16
16
B
191 205Right-handed alpha
Helix 17
17
B
219 221Right-handed 310
Helix 18
18
B
222 230Right-handed alpha
Helix 19
19
B
244 248Right-handed 310
Helix 20
20
B
255 268Right-handed alpha
Helix 21
21
C
24 42Right-handed alpha
Helix 22
22
C
51 58Right-handed 310
Helix 23
23
C
67 74Right-handed alpha
Helix 24
24
C
90 102Right-handed alpha
Helix 25
25
C
115 119Right-handed alpha
Helix 26
26
C
191 205Right-handed alpha
Helix 27
27
C
222 230Right-handed alpha
Helix 28
28
C
244 248Right-handed 310
Helix 29
29
C
255 268Right-handed alpha
Helix 30
30
D
24 42Right-handed alpha
Helix 31
31
D
51 58Right-handed 310
Helix 32
32
D
67 74Right-handed alpha
Helix 33
33
D
90 102Right-handed alpha
Helix 34
34
D
115 119Right-handed alpha
Helix 35
35
D
191 204Right-handed alpha
Helix 36
36
D
219 223Right-handed 310
Helix 37
37
D
224 230Right-handed alpha
Helix 38
38
D
244 248Right-handed 310
Helix 39
39
D
255 268Right-handed alpha
Helix 40
40
E
24 42Right-handed alpha
Helix 41
41
E
51 58Right-handed 310
Helix 42
42
E
67 75Right-handed alpha
Helix 43
43
E
90 102Right-handed alpha
Helix 44
44
E
115 120Right-handed alpha
Helix 45
45
E
123 125Right-handed 310
Helix 46
46
E
191 205Right-handed alpha
Helix 47
47
E
219 221Right-handed 310
Helix 48
48
E
222 230Right-handed alpha
Helix 49
49
E
244 248Right-handed 310
Helix 50
50
E
255 268Right-handed alpha
Helix 51
51
F
24 42Right-handed alpha
Helix 52
52
F
51 58Right-handed 310
Helix 53
53
F
67 74Right-handed alpha
Helix 54
54
F
90 102Right-handed alpha
Helix 55
55
F
115 119Right-handed alpha
Helix 56
56
F
191 205Right-handed alpha
Helix 57
57
F
219 221Right-handed 310
Helix 58
58
F
222 229Right-handed alpha
Helix 59
59
F
244 248Right-handed 310
Helix 60
60
F
255 268Right-handed alpha
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There are 17 sheets in PDB entry 3PKI. 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, Q,

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
127 129first strand
Strand 2
A
107 110parallel
Strand 3
A
45 49parallel
Strand 4
A
207 211parallel
Strand 5
A
233 237parallel
Strand 6
A
250 252parallel
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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
120 123first strand
Strand 2
A
278 280parallel
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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
145 147first strand
Strand 2
A
136 139anti-parallel
Strand 3
A
178 181anti-parallel
Strand 4
A
159 163anti-parallel
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There are 6 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
127 129first strand
Strand 2
B
107 110parallel
Strand 3
B
45 49parallel
Strand 4
B
207 211parallel
Strand 5
B
233 237parallel
Strand 6
B
250 252parallel
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There are 2 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
120 123first strand
Strand 2
B
278 280parallel
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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
145 147first strand
Strand 2
B
136 139anti-parallel
Strand 3
B
178 181anti-parallel
Strand 4
B
159 163anti-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
C
127 129first strand
Strand 2
C
107 110parallel
Strand 3
C
45 49parallel
Strand 4
C
207 211parallel
Strand 5
C
233 237parallel
Strand 6
C
250 252parallel
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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
C
120 123first strand
Strand 2
C
278 280parallel
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There are 4 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
145 147first strand
Strand 2
C
136 139anti-parallel
Strand 3
C
178 181anti-parallel
Strand 4
C
159 163anti-parallel
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There are 6 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
127 129first strand
Strand 2
D
107 110parallel
Strand 3
D
45 49parallel
Strand 4
D
207 211parallel
Strand 5
D
233 237parallel
Strand 6
D
250 252parallel
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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
D
120 123first strand
Strand 2
D
278 280parallel
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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
145 147first strand
Strand 2
D
136 139anti-parallel
Strand 3
D
178 181anti-parallel
Strand 4
D
159 163anti-parallel
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There are 6 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
127 129first strand
Strand 2
E
107 110parallel
Strand 3
E
45 49parallel
Strand 4
E
207 211parallel
Strand 5
E
233 237parallel
Strand 6
E
250 252parallel
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There are 4 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
145 147first strand
Strand 2
E
136 139anti-parallel
Strand 3
E
178 181anti-parallel
Strand 4
E
159 163anti-parallel
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There are 6 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
127 129first strand
Strand 2
F
107 110parallel
Strand 3
F
45 49parallel
Strand 4
F
207 211parallel
Strand 5
F
233 237parallel
Strand 6
F
250 252parallel
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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
F
120 123first strand
Strand 2
F
278 280parallel
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There are 4 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
145 147first strand
Strand 2
F
136 139anti-parallel
Strand 3
F
178 181anti-parallel
Strand 4
F
159 163anti-parallel
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