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


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 1IWP entry

There are 6 chains in PDB entry 1IWP (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1GLU 555
B
 PHE 11GLU 194
G
 LYS 4SER 141
L
 MET 1GLU 555
E
 PHE 11GLU 194
M
 LYS 4SER 141
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 are101 helices in PDB entry 1IWP. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
4 12Right-handed alpha
Helix 2
2
A
13 18Right-handed 310
Helix 3
3
A
24 28Right-handed 310
Helix 4
4
A
56 60Right-handed 310
Helix 5
5
A
61 71Right-handed alpha
Helix 6
6
A
73 81Right-handed alpha
Helix 7
7
A
84 94Right-handed alpha
Helix 8
8
A
98 107Right-handed alpha
Helix 9
9
A
110 120Right-handed alpha
Helix 10
10
A
122 134Right-handed alpha
Helix 11
11
A
151 165Right-handed alpha
Helix 12
12
A
176 178Right-handed 310
Helix 13
13
A
179 195Right-handed alpha
Helix 14
14
A
205 215Right-handed alpha
Helix 15
15
A
229 236Right-handed alpha
Helix 16
16
A
239 253Right-handed alpha
Helix 17
17
A
264 269Right-handed alpha
Helix 18
18
A
276 292Right-handed alpha
Helix 19
19
A
300 302Right-handed 310
Helix 20
20
A
303 308Right-handed alpha
Helix 21
21
A
312 327Right-handed alpha
Helix 22
22
A
342 355Right-handed alpha
Helix 23
23
A
369 373Right-handed 310
Helix 24
24
A
381 383Right-handed 310
Helix 25
25
A
384 396Right-handed alpha
Helix 26
26
A
405 427Right-handed alpha
Helix 27
27
A
433 443Right-handed alpha
Helix 28
28
A
445 449Right-handed 310
Helix 29
29
A
453 467Right-handed alpha
Helix 30
30
A
470 481Right-handed alpha
Helix 31
31
A
483 495Right-handed alpha
Helix 32
32
A
495 500Right-handed alpha
Helix 33
33
A
501 504Right-handed 310
Helix 34
34
A
535 544Right-handed alpha
Helix 35
35
A
550 554Right-handed 310
Helix 36
36
B
50 64Right-handed alpha
Helix 37
37
B
79 91Right-handed alpha
Helix 38
38
B
123 127Right-handed 310
Helix 39
39
B
128 144Right-handed alpha
Helix 40
40
B
158 177Right-handed alpha
Helix 41
41
G
7 11Right-handed 310
Helix 42
42
G
12 17Right-handed alpha
Helix 43
43
G
18 21Right-handed 310
Helix 44
44
G
28 32Right-handed 310
Helix 45
45
G
33 39Right-handed alpha
Helix 46
46
G
43 47Right-handed 310
Helix 47
47
G
50 63Right-handed alpha
Helix 48
48
G
66 78Right-handed alpha
Helix 49
49
G
83 95Right-handed alpha
Helix 50
50
G
100 114Right-handed alpha
Helix 51
51
G
117 134Right-handed alpha
Helix 52
52
L
4 12Right-handed alpha
Helix 53
53
L
13 18Right-handed 310
Helix 54
54
L
24 28Right-handed 310
Helix 55
55
L
58 60Right-handed 310
Helix 56
56
L
61 71Right-handed alpha
Helix 57
57
L
73 81Right-handed alpha
Helix 58
58
L
84 94Right-handed alpha
Helix 59
59
L
98 107Right-handed alpha
Helix 60
60
L
110 120Right-handed alpha
Helix 61
61
L
122 134Right-handed alpha
Helix 62
62
L
151 166Right-handed alpha
Helix 63
63
L
176 178Right-handed 310
Helix 64
64
L
179 195Right-handed alpha
Helix 65
65
L
205 215Right-handed alpha
Helix 66
66
L
229 236Right-handed alpha
Helix 67
67
L
239 252Right-handed alpha
Helix 68
68
L
264 269Right-handed alpha
Helix 69
69
L
276 292Right-handed alpha
Helix 70
70
L
300 302Right-handed 310
Helix 71
71
L
303 308Right-handed alpha
Helix 72
72
L
312 327Right-handed alpha
Helix 73
73
L
342 355Right-handed alpha
Helix 74
74
L
381 383Right-handed 310
Helix 75
75
L
384 396Right-handed alpha
Helix 76
76
L
405 427Right-handed alpha
Helix 77
77
L
433 443Right-handed alpha
Helix 78
78
L
445 449Right-handed 310
Helix 79
79
L
453 465Right-handed alpha
Helix 80
80
L
470 481Right-handed alpha
Helix 81
81
L
483 495Right-handed alpha
Helix 82
82
L
495 500Right-handed alpha
Helix 83
83
L
501 504Right-handed 310
Helix 84
84
L
535 544Right-handed alpha
Helix 85
85
L
550 554Right-handed 310
Helix 86
86
E
50 64Right-handed alpha
Helix 87
87
E
79 89Right-handed alpha
Helix 88
88
E
123 127Right-handed 310
Helix 89
89
E
130 144Right-handed alpha
Helix 90
90
E
158 176Right-handed alpha
Helix 91
91
M
7 11Right-handed 310
Helix 92
92
M
12 17Right-handed alpha
Helix 93
93
M
18 21Right-handed 310
Helix 94
94
M
28 32Right-handed 310
Helix 95
95
M
33 40Right-handed alpha
Helix 96
96
M
43 47Right-handed 310
Helix 97
97
M
50 63Right-handed alpha
Helix 98
98
M
66 80Right-handed alpha
Helix 99
99
M
83 95Right-handed alpha
Helix 100
100
M
100 115Right-handed alpha
Helix 101
101
M
117 134Right-handed alpha
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There are 10 sheets in PDB entry 1IWP. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 2 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
42 45first strand
Strand 2
A
48 52anti-parallel
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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
199 202first strand
Strand 2
A
169 172parallel
Strand 3
A
140 144parallel
Strand 4
A
360 366parallel
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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
220 225first strand
Strand 2
A
256 260parallel
Strand 3
A
295 297parallel
Strand 4
A
330 332parallel
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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
508 509first strand
Strand 2
A
515 516anti-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
12 20first strand
Strand 2
B
185 192anti-parallel
Strand 3
B
68 73anti-parallel
Strand 4
B
29 34parallel
Strand 5
B
95 99parallel
Strand 6
B
105 109anti-parallel
Strand 7
B
119 121anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
42 44first strand
Strand 2
L
49 52anti-parallel
Strand 3
L
55 56anti-parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
199 202first strand
Strand 2
L
169 172parallel
Strand 3
L
140 144parallel
Strand 4
L
360 366parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
220 225first strand
Strand 2
L
256 260parallel
Strand 3
L
295 297parallel
Strand 4
L
330 332parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
508 509first strand
Strand 2
L
515 516anti-parallel
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There are 7 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
12 20first strand
Strand 2
E
185 192anti-parallel
Strand 3
E
68 73anti-parallel
Strand 4
E
29 34parallel
Strand 5
E
95 99parallel
Strand 6
E
105 109anti-parallel
Strand 7
E
119 121anti-parallel
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