Analysis of interatomic Contacts of Structural Units in PDB entry:
1PKX


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 1PKX entry

There are 4 chains in PDB entry 1PKX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 3HIS 592
B
 GLY 4HIS 592
C
 GLY 4HIS 592
D
 GLY 4HIS 592
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 are107 helices in PDB entry 1PKX. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
16 26Right-handed alpha
Helix 2
2
A
34 43Right-handed alpha
Helix 3
3
A
51 56Right-handed alpha
Helix 4
4
A
69 78Right-handed alpha
Helix 5
5
A
81 92Right-handed alpha
Helix 6
6
A
105 112Right-handed alpha
Helix 7
7
A
116 123Right-handed alpha
Helix 8
8
A
126 138Right-handed alpha
Helix 9
9
A
147 149Right-handed 310
Helix 10
10
A
150 161Right-handed alpha
Helix 11
11
A
167 198Right-handed alpha
Helix 12
12
A
236 258Right-handed alpha
Helix 13
13
A
280 287Right-handed alpha
Helix 14
14
A
289 296Right-handed 310
Helix 15
15
A
297 309Right-handed alpha
Helix 16
16
A
326 335Right-handed alpha
Helix 17
17
A
347 361Right-handed alpha
Helix 18
18
A
396 401Right-handed 310
Helix 19
19
A
411 427Right-handed alpha
Helix 20
20
A
450 468Right-handed alpha
Helix 21
21
A
470 475Right-handed alpha
Helix 22
22
A
485 497Right-handed alpha
Helix 23
23
A
502 510Right-handed alpha
Helix 24
24
A
520 529Right-handed alpha
Helix 25
25
A
545 553Right-handed alpha
Helix 26
26
A
567 579Right-handed alpha
Helix 27
27
B
16 27Right-handed alpha
Helix 28
28
B
34 44Right-handed alpha
Helix 29
29
B
51 56Right-handed alpha
Helix 30
30
B
60 64Right-handed 310
Helix 31
31
B
69 78Right-handed alpha
Helix 32
32
B
81 92Right-handed alpha
Helix 33
33
B
105 112Right-handed alpha
Helix 34
34
B
116 123Right-handed alpha
Helix 35
35
B
126 138Right-handed alpha
Helix 36
36
B
147 149Right-handed 310
Helix 37
37
B
150 161Right-handed alpha
Helix 38
38
B
167 198Right-handed alpha
Helix 39
39
B
236 258Right-handed alpha
Helix 40
40
B
280 287Right-handed alpha
Helix 41
41
B
289 296Right-handed 310
Helix 42
42
B
297 309Right-handed alpha
Helix 43
43
B
326 335Right-handed alpha
Helix 44
44
B
347 355Right-handed alpha
Helix 45
45
B
356 361Right-handed 310
Helix 46
46
B
396 401Right-handed 310
Helix 47
47
B
411 427Right-handed alpha
Helix 48
48
B
450 468Right-handed alpha
Helix 49
49
B
470 475Right-handed alpha
Helix 50
50
B
483 497Right-handed alpha
Helix 51
51
B
502 510Right-handed alpha
Helix 52
52
B
520 529Right-handed alpha
Helix 53
53
B
545 553Right-handed alpha
Helix 54
54
B
567 579Right-handed alpha
Helix 55
55
C
16 27Right-handed alpha
Helix 56
56
C
34 44Right-handed alpha
Helix 57
57
C
51 56Right-handed alpha
Helix 58
58
C
69 78Right-handed alpha
Helix 59
59
C
81 91Right-handed alpha
Helix 60
60
C
105 112Right-handed alpha
Helix 61
61
C
116 122Right-handed alpha
Helix 62
62
C
126 138Right-handed alpha
Helix 63
63
C
147 149Right-handed 310
Helix 64
64
C
150 160Right-handed alpha
Helix 65
65
C
167 198Right-handed alpha
Helix 66
66
C
236 258Right-handed alpha
Helix 67
67
C
280 287Right-handed alpha
Helix 68
68
C
289 296Right-handed 310
Helix 69
69
C
297 309Right-handed alpha
Helix 70
70
C
326 335Right-handed alpha
Helix 71
71
C
347 361Right-handed alpha
Helix 72
72
C
396 401Right-handed 310
Helix 73
73
C
411 427Right-handed alpha
Helix 74
74
C
450 468Right-handed alpha
Helix 75
75
C
470 475Right-handed alpha
Helix 76
76
C
483 497Right-handed alpha
Helix 77
77
C
502 510Right-handed alpha
Helix 78
78
C
520 529Right-handed alpha
Helix 79
79
C
545 553Right-handed alpha
Helix 80
80
C
567 579Right-handed alpha
Helix 81
81
D
16 27Right-handed alpha
Helix 82
82
D
34 44Right-handed alpha
Helix 83
83
D
51 56Right-handed alpha
Helix 84
84
D
60 64Right-handed 310
Helix 85
85
D
69 78Right-handed alpha
Helix 86
86
D
81 92Right-handed alpha
Helix 87
87
D
105 112Right-handed alpha
Helix 88
88
D
116 123Right-handed alpha
Helix 89
89
D
126 138Right-handed alpha
Helix 90
90
D
149 161Right-handed alpha
Helix 91
91
D
167 198Right-handed alpha
Helix 92
92
D
236 258Right-handed alpha
Helix 93
93
D
280 287Right-handed alpha
Helix 94
94
D
289 296Right-handed 310
Helix 95
95
D
297 309Right-handed alpha
Helix 96
96
D
326 335Right-handed alpha
Helix 97
97
D
347 357Right-handed alpha
Helix 98
98
D
358 361Right-handed 310
Helix 99
99
D
397 401Right-handed 310
Helix 100
100
D
411 427Right-handed alpha
Helix 101
101
D
450 468Right-handed alpha
Helix 102
102
D
470 475Right-handed alpha
Helix 103
103
D
483 497Right-handed alpha
Helix 104
104
D
502 510Right-handed alpha
Helix 105
105
D
520 529Right-handed alpha
Helix 106
106
D
545 553Right-handed alpha
Helix 107
107
D
567 579Right-handed alpha
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There are 16 sheets in PDB entry 1PKX. 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 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
49 50first strand
Strand 2
A
30 33parallel
Strand 3
A
6 10parallel
Strand 4
A
96 101parallel
Strand 5
A
143 145parallel
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There are 4 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
203 206first strand
Strand 2
A
217 220anti-parallel
Strand 3
B
384 389anti-parallel
Strand 4
B
376 381anti-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
A
228 232first strand
Strand 2
A
363 367anti-parallel
Strand 3
A
338 343parallel
Strand 4
A
317 321parallel
Strand 5
A
261 266anti-parallel
Strand 6
A
269 275anti-parallel
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There are 4 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
376 381first strand
Strand 2
A
384 389anti-parallel
Strand 3
B
217 220anti-parallel
Strand 4
B
203 206anti-parallel
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There are 5 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
440 445first strand
Strand 2
A
433 437anti-parallel
Strand 3
A
534 538anti-parallel
Strand 4
A
556 562parallel
Strand 5
A
581 585parallel
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There are 5 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
49 50first strand
Strand 2
B
30 33parallel
Strand 3
B
6 11parallel
Strand 4
B
96 102parallel
Strand 5
B
143 145parallel
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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
B
228 232first strand
Strand 2
B
363 367anti-parallel
Strand 3
B
338 343parallel
Strand 4
B
317 321parallel
Strand 5
B
261 266anti-parallel
Strand 6
B
269 275anti-parallel
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There are 5 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
440 445first strand
Strand 2
B
433 437anti-parallel
Strand 3
B
534 538anti-parallel
Strand 4
B
556 562parallel
Strand 5
B
581 585parallel
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There are 5 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
49 50first strand
Strand 2
C
30 33parallel
Strand 3
C
6 10parallel
Strand 4
C
96 101parallel
Strand 5
C
143 145parallel
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There are 4 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
203 206first strand
Strand 2
C
217 220anti-parallel
Strand 3
D
384 389anti-parallel
Strand 4
D
376 381anti-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
C
228 232first strand
Strand 2
C
363 367anti-parallel
Strand 3
C
338 343parallel
Strand 4
C
317 321parallel
Strand 5
C
261 266anti-parallel
Strand 6
C
269 275anti-parallel
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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
C
376 381first strand
Strand 2
C
384 389anti-parallel
Strand 3
D
217 220anti-parallel
Strand 4
D
203 206anti-parallel
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There are 5 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
440 445first strand
Strand 2
C
433 437anti-parallel
Strand 3
C
534 538anti-parallel
Strand 4
C
556 562parallel
Strand 5
C
581 585parallel
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There are 5 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
49 50first strand
Strand 2
D
30 33parallel
Strand 3
D
6 11parallel
Strand 4
D
96 102parallel
Strand 5
D
143 145parallel
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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
D
228 232first strand
Strand 2
D
363 367anti-parallel
Strand 3
D
338 343parallel
Strand 4
D
317 321parallel
Strand 5
D
261 266anti-parallel
Strand 6
D
269 275anti-parallel
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There are 5 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
440 445first strand
Strand 2
D
433 437anti-parallel
Strand 3
D
534 538anti-parallel
Strand 4
D
556 562parallel
Strand 5
D
581 585parallel
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