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


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 1IWO entry

There are 2 chains in PDB entry 1IWO (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1GLY 994
B
 MET 1GLY 994
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 84 helices in PDB entry 1IWO. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
8 17Right-handed alpha
Helix 2
2
A
25 36Right-handed alpha
Helix 3
3
A
48 56Right-handed alpha
Helix 4
4
A
59 76Right-handed alpha
Helix 5
5
A
88 110Right-handed alpha
Helix 6
6
A
115 120Right-handed alpha
Helix 7
7
A
200 204Right-handed 310
Helix 8
8
A
226 229Right-handed 310
Helix 9
9
A
230 242Right-handed alpha
Helix 10
10
A
247 275Right-handed alpha
Helix 11
11
A
289 307Right-handed alpha
Helix 12
12
A
310 328Right-handed alpha
Helix 13
13
A
337 344Right-handed alpha
Helix 14
14
A
403 406Right-handed 310
Helix 15
15
A
407 420Right-handed alpha
Helix 16
16
A
439 453Right-handed alpha
Helix 17
17
A
465 468Right-handed 310
Helix 18
18
A
469 479Right-handed alpha
Helix 19
19
A
517 523Right-handed alpha
Helix 20
20
A
538 555Right-handed alpha
Helix 21
21
A
572 576Right-handed 310
Helix 22
22
A
580 588Right-handed alpha
Helix 23
23
A
606 617Right-handed alpha
Helix 24
24
A
628 639Right-handed alpha
Helix 25
25
A
655 661Right-handed alpha
Helix 26
26
A
662 673Right-handed alpha
Helix 27
27
A
683 694Right-handed alpha
Helix 28
28
A
704 706Right-handed 310
Helix 29
29
A
707 714Right-handed alpha
Helix 30
30
A
724 730Right-handed alpha
Helix 31
31
A
740 781Right-handed alpha
Helix 32
32
A
788 798Right-handed alpha
Helix 33
33
A
800 807Right-handed alpha
Helix 34
34
A
830 857Right-handed alpha
Helix 35
35
A
888 892Right-handed 310
Helix 36
36
A
893 912Right-handed alpha
Helix 37
37
A
926 929Right-handed 310
Helix 38
38
A
930 947Right-handed alpha
Helix 39
39
A
952 957Right-handed alpha
Helix 40
40
A
966 975Right-handed alpha
Helix 41
41
A
975 986Right-handed alpha
Helix 42
42
A
988 992Right-handed 310
Helix 43
43
B
8 17Right-handed alpha
Helix 44
44
B
25 36Right-handed alpha
Helix 45
45
B
48 56Right-handed alpha
Helix 46
46
B
59 76Right-handed alpha
Helix 47
47
B
88 110Right-handed alpha
Helix 48
48
B
115 120Right-handed alpha
Helix 49
49
B
200 204Right-handed 310
Helix 50
50
B
226 229Right-handed 310
Helix 51
51
B
230 242Right-handed alpha
Helix 52
52
B
247 275Right-handed alpha
Helix 53
53
B
289 307Right-handed alpha
Helix 54
54
B
310 328Right-handed alpha
Helix 55
55
B
337 344Right-handed alpha
Helix 56
56
B
403 406Right-handed 310
Helix 57
57
B
407 420Right-handed alpha
Helix 58
58
B
439 453Right-handed alpha
Helix 59
59
B
465 468Right-handed 310
Helix 60
60
B
469 479Right-handed alpha
Helix 61
61
B
517 523Right-handed alpha
Helix 62
62
B
538 555Right-handed alpha
Helix 63
63
B
572 576Right-handed 310
Helix 64
64
B
580 588Right-handed alpha
Helix 65
65
B
606 617Right-handed alpha
Helix 66
66
B
628 639Right-handed alpha
Helix 67
67
B
655 661Right-handed alpha
Helix 68
68
B
662 673Right-handed alpha
Helix 69
69
B
683 694Right-handed alpha
Helix 70
70
B
704 706Right-handed 310
Helix 71
71
B
707 714Right-handed alpha
Helix 72
72
B
724 730Right-handed alpha
Helix 73
73
B
740 781Right-handed alpha
Helix 74
74
B
788 798Right-handed alpha
Helix 75
75
B
800 807Right-handed alpha
Helix 76
76
B
830 857Right-handed alpha
Helix 77
77
B
888 892Right-handed 310
Helix 78
78
B
893 912Right-handed alpha
Helix 79
79
B
926 929Right-handed 310
Helix 80
80
B
930 947Right-handed alpha
Helix 81
81
B
952 957Right-handed alpha
Helix 82
82
B
966 975Right-handed alpha
Helix 83
83
B
975 986Right-handed alpha
Helix 84
84
B
988 992Right-handed 310
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There are 16 sheets in PDB entry 1IWO. 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
128 130first strand
Strand 2
A
150 154anti-parallel
Strand 3
A
218 225anti-parallel
Strand 4
A
162 168anti-parallel
Strand 5
A
207 208anti-parallel
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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
187 189first strand
Strand 2
A
173 176anti-parallel
Strand 3
A
213 216anti-parallel
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There are 7 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
652 654first strand
Strand 2
A
675 677parallel
Strand 3
A
620 625parallel
Strand 4
A
347 351parallel
Strand 5
A
698 700parallel
Strand 6
A
716 720parallel
Strand 7
A
733 735parallel
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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
371 372first strand
Strand 2
A
377 378anti-parallel
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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
A
396 397first strand
Strand 2
A
400 401anti-parallel
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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
A
424 427first strand
Strand 2
A
434 437anti-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
A
533 535first strand
Strand 2
A
525 530anti-parallel
Strand 3
A
591 599parallel
Strand 4
A
560 567anti-parallel
Strand 5
A
511 516anti-parallel
Strand 6
A
493 494anti-parallel
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There are 7 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
533 535first strand
Strand 2
A
525 530anti-parallel
Strand 3
A
591 599parallel
Strand 4
A
560 567anti-parallel
Strand 5
A
511 516anti-parallel
Strand 6
A
497 499anti-parallel
Strand 7
A
480 483anti-parallel
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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
B
128 130first strand
Strand 2
B
150 154anti-parallel
Strand 3
B
218 225anti-parallel
Strand 4
B
162 168anti-parallel
Strand 5
B
207 208anti-parallel
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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
B
187 189first strand
Strand 2
B
173 176anti-parallel
Strand 3
B
213 216anti-parallel
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There are 7 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
652 654first strand
Strand 2
B
675 677parallel
Strand 3
B
620 625parallel
Strand 4
B
347 351parallel
Strand 5
B
698 700parallel
Strand 6
B
716 720parallel
Strand 7
B
733 735parallel
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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
B
371 372first strand
Strand 2
B
377 378anti-parallel
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There are 2 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
396 397first strand
Strand 2
B
400 401anti-parallel
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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
B
424 427first strand
Strand 2
B
434 437anti-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
B
533 535first strand
Strand 2
B
525 530anti-parallel
Strand 3
B
591 599parallel
Strand 4
B
560 567anti-parallel
Strand 5
B
511 516anti-parallel
Strand 6
B
493 494anti-parallel
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There are 7 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
533 535first strand
Strand 2
B
525 530anti-parallel
Strand 3
B
591 599parallel
Strand 4
B
560 567anti-parallel
Strand 5
B
511 516anti-parallel
Strand 6
B
497 499anti-parallel
Strand 7
B
480 483anti-parallel
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