Analysis of interatomic Contacts of Structural Units in PDB entry:
5A23


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 5A23 entry

There are 3 chains in PDB entry 5A23 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 20LYS 655
B
 THR 20LYS 655
C
 THR 20PHE 43
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 are112 helices in PDB entry 5A23. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
27 41Right-handed alpha
Helix 2
2
A
47 54Right-handed alpha
Helix 3
3
A
77 83Right-handed 310
Helix 4
4
A
92 102Right-handed alpha
Helix 5
5
A
142 158Right-handed alpha
Helix 6
6
A
171 176Right-handed alpha
Helix 7
7
A
177 181Right-handed 310
Helix 8
8
A
183 189Right-handed alpha
Helix 9
9
A
199 205Right-handed alpha
Helix 10
10
A
211 224Right-handed alpha
Helix 11
11
A
318 333Right-handed alpha
Helix 12
12
A
334 337Right-handed 310
Helix 13
13
A
350 377Right-handed alpha
Helix 14
14
A
384 388Right-handed 310
Helix 15
15
A
392 397Right-handed alpha
Helix 16
16
A
398 402Right-handed 310
Helix 17
17
A
407 420Right-handed alpha
Helix 18
18
A
426 431Right-handed alpha
Helix 19
19
A
434 446Right-handed alpha
Helix 20
20
A
447 461Right-handed alpha
Helix 21
21
A
464 479Right-handed alpha
Helix 22
22
A
482 500Right-handed alpha
Helix 23
23
A
502 519Right-handed alpha
Helix 24
24
A
531 538Right-handed alpha
Helix 25
25
A
539 551Right-handed alpha
Helix 26
26
A
552 557Right-handed alpha
Helix 27
27
A
601 610Right-handed alpha
Helix 28
28
A
614 621Right-handed alpha
Helix 29
29
A
631 638Right-handed alpha
Helix 30
30
B
27 41Right-handed alpha
Helix 31
31
B
46 54Right-handed alpha
Helix 32
32
B
79 84Right-handed alpha
Helix 33
33
B
92 102Right-handed alpha
Helix 34
34
B
142 158Right-handed alpha
Helix 35
35
B
171 176Right-handed alpha
Helix 36
36
B
177 181Right-handed 310
Helix 37
37
B
183 190Right-handed alpha
Helix 38
38
B
199 205Right-handed alpha
Helix 39
39
B
211 224Right-handed alpha
Helix 40
40
B
318 333Right-handed alpha
Helix 41
41
B
334 337Right-handed 310
Helix 42
42
B
350 377Right-handed alpha
Helix 43
43
B
384 389Right-handed alpha
Helix 44
44
B
392 397Right-handed alpha
Helix 45
45
B
407 421Right-handed alpha
Helix 46
46
B
426 430Right-handed 310
Helix 47
47
B
434 446Right-handed alpha
Helix 48
48
B
448 461Right-handed alpha
Helix 49
49
B
464 479Right-handed alpha
Helix 50
50
B
482 500Right-handed alpha
Helix 51
51
B
502 519Right-handed alpha
Helix 52
52
B
531 538Right-handed alpha
Helix 53
53
B
539 551Right-handed alpha
Helix 54
54
B
552 557Right-handed alpha
Helix 55
55
B
601 610Right-handed alpha
Helix 56
56
B
614 621Right-handed alpha
Helix 57
57
B
631 639Right-handed alpha
Helix 58
58
C
27 41Right-handed alpha
Helix 59
59
C
46 54Right-handed alpha
Helix 60
60
C
79 84Right-handed alpha
Helix 61
61
C
92 102Right-handed alpha
Helix 62
62
C
142 158Right-handed alpha
Helix 63
63
C
171 176Right-handed alpha
Helix 64
64
C
177 181Right-handed 310
Helix 65
65
C
183 189Right-handed alpha
Helix 66
66
C
199 205Right-handed alpha
Helix 67
67
C
211 224Right-handed alpha
Helix 68
68
C
318 333Right-handed alpha
Helix 69
69
C
334 337Right-handed 310
Helix 70
70
C
350 378Right-handed alpha
Helix 71
71
C
384 388Right-handed 310
Helix 72
72
C
392 397Right-handed alpha
Helix 73
73
C
398 402Right-handed 310
Helix 74
74
C
407 421Right-handed alpha
Helix 75
75
C
434 446Right-handed alpha
Helix 76
76
C
448 462Right-handed alpha
Helix 77
77
C
464 479Right-handed alpha
Helix 78
78
C
482 500Right-handed alpha
Helix 79
79
C
502 519Right-handed alpha
Helix 80
80
C
531 537Right-handed alpha
Helix 81
81
C
539 551Right-handed alpha
Helix 82
82
C
601 610Right-handed alpha
Helix 83
83
C
614 621Right-handed alpha
Helix 84
84
C
631 639Right-handed alpha
Helix 85
85
D
27 41Right-handed alpha
Helix 86
86
D
46 54Right-handed alpha
Helix 87
87
D
79 84Right-handed alpha
Helix 88
88
D
92 102Right-handed alpha
Helix 89
89
D
142 158Right-handed alpha
Helix 90
90
D
171 176Right-handed alpha
Helix 91
91
D
177 181Right-handed 310
Helix 92
92
D
183 189Right-handed alpha
Helix 93
93
D
199 205Right-handed alpha
Helix 94
94
D
211 224Right-handed alpha
Helix 95
95
D
318 333Right-handed alpha
Helix 96
96
D
350 378Right-handed alpha
Helix 97
97
D
384 388Right-handed 310
Helix 98
98
D
392 397Right-handed alpha
Helix 99
99
D
398 402Right-handed 310
Helix 100
100
D
407 421Right-handed alpha
Helix 101
101
D
426 431Right-handed alpha
Helix 102
102
D
434 446Right-handed alpha
Helix 103
103
D
448 461Right-handed alpha
Helix 104
104
D
464 479Right-handed alpha
Helix 105
105
D
482 500Right-handed alpha
Helix 106
106
D
502 519Right-handed alpha
Helix 107
107
D
531 536Right-handed alpha
Helix 108
108
D
539 551Right-handed alpha
Helix 109
109
D
552 557Right-handed alpha
Helix 110
110
D
601 610Right-handed alpha
Helix 111
111
D
614 621Right-handed alpha
Helix 112
112
D
631 639Right-handed alpha
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There are 16 sheets in PDB entry 5A23. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, BC, BD, CA, CB, CC, CD, A, DB, C, DD,

There are 8 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
56 58first strand
Strand 2
A
106 111anti-parallel
Strand 3
A
114 118anti-parallel
Strand 4
A
125 129anti-parallel
Strand 5
A
134 137anti-parallel
Strand 6
A
162 166parallel
Strand 7
A
193 197parallel
Strand 8
A
255 257parallel
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There are 2 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
64 66first strand
Strand 2
A
72 75anti-parallel
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There are 6 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
261 266first strand
Strand 2
A
269 275anti-parallel
Strand 3
A
285 289anti-parallel
Strand 4
A
294 296anti-parallel
Strand 5
A
339 341parallel
Strand 6
A
348 349anti-parallel
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There are 5 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
583 587first strand
Strand 2
A
572 578anti-parallel
Strand 3
A
561 567anti-parallel
Strand 4
A
596 599parallel
Strand 5
A
625 628anti-parallel
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There are 8 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
56 58first strand
Strand 2
B
106 111anti-parallel
Strand 3
B
114 118anti-parallel
Strand 4
B
125 129anti-parallel
Strand 5
B
134 137anti-parallel
Strand 6
B
162 166parallel
Strand 7
B
193 197parallel
Strand 8
B
255 257parallel
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There are 2 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
64 66first strand
Strand 2
B
72 75anti-parallel
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There are 6 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
261 266first strand
Strand 2
B
269 275anti-parallel
Strand 3
B
285 289anti-parallel
Strand 4
B
294 296anti-parallel
Strand 5
B
339 341parallel
Strand 6
B
348 349anti-parallel
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There are 5 strands in BD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
582 587first strand
Strand 2
B
572 579anti-parallel
Strand 3
B
560 567anti-parallel
Strand 4
B
596 600parallel
Strand 5
B
624 628anti-parallel
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There are 8 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
56 58first strand
Strand 2
C
106 111anti-parallel
Strand 3
C
114 118anti-parallel
Strand 4
C
124 129anti-parallel
Strand 5
C
134 137anti-parallel
Strand 6
C
162 166parallel
Strand 7
C
193 197parallel
Strand 8
C
255 257parallel
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There are 2 strands in CB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
64 66first strand
Strand 2
C
72 75anti-parallel
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There are 6 strands in CC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
261 266first strand
Strand 2
C
269 275anti-parallel
Strand 3
C
285 289anti-parallel
Strand 4
C
294 296anti-parallel
Strand 5
C
339 341parallel
Strand 6
C
348 349anti-parallel
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There are 5 strands in CD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
582 587first strand
Strand 2
C
572 579anti-parallel
Strand 3
C
561 567anti-parallel
Strand 4
C
596 600parallel
Strand 5
C
624 628anti-parallel
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There are 8 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
56 58first strand
Strand 2
D
106 111anti-parallel
Strand 3
D
114 118anti-parallel
Strand 4
D
125 129anti-parallel
Strand 5
D
134 137anti-parallel
Strand 6
D
162 166parallel
Strand 7
D
193 197parallel
Strand 8
D
255 257parallel
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There are 2 strands in DB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
64 66first strand
Strand 2
D
72 75anti-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
D
261 266first strand
Strand 2
D
269 275anti-parallel
Strand 3
D
285 289anti-parallel
Strand 4
D
294 296anti-parallel
Strand 5
D
339 341parallel
Strand 6
D
348 349anti-parallel
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There are 5 strands in DD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
582 587first strand
Strand 2
D
572 579anti-parallel
Strand 3
D
560 567anti-parallel
Strand 4
D
596 599parallel
Strand 5
D
625 628anti-parallel
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