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


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 3IHG entry

There are 3 chains in PDB entry 3IHG (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ARG 535
B
 MET 1ARG 535
C
 MET 1ARG 535
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 58 helices in PDB entry 3IHG. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
14 26Right-handed alpha
Helix 2
2
A
50 60Right-handed alpha
Helix 3
3
A
62 69Right-handed alpha
Helix 4
4
A
98 105Right-handed alpha
Helix 5
5
A
106 110Right-handed 310
Helix 6
6
A
118 133Right-handed alpha
Helix 7
7
A
150 154Right-handed 310
Helix 8
8
A
183 189Right-handed alpha
Helix 9
9
A
210 214Right-handed 310
Helix 10
10
A
256 260Right-handed 310
Helix 11
11
A
261 274Right-handed alpha
Helix 12
12
A
319 340Right-handed alpha
Helix 13
13
A
346 374Right-handed alpha
Helix 14
14
A
375 379Right-handed 310
Helix 15
15
A
387 393Right-handed alpha
Helix 16
16
A
441 444Right-handed 310
Helix 17
17
A
456 471Right-handed alpha
Helix 18
18
A
489 494Right-handed alpha
Helix 19
19
A
520 533Right-handed alpha
Helix 20
20
B
14 26Right-handed alpha
Helix 21
21
B
50 60Right-handed alpha
Helix 22
22
B
62 69Right-handed alpha
Helix 23
23
B
98 105Right-handed alpha
Helix 24
24
B
118 133Right-handed alpha
Helix 25
25
B
150 154Right-handed 310
Helix 26
26
B
183 189Right-handed alpha
Helix 27
27
B
210 214Right-handed 310
Helix 28
28
B
256 260Right-handed 310
Helix 29
29
B
261 274Right-handed alpha
Helix 30
30
B
307 309Right-handed 310
Helix 31
31
B
319 340Right-handed alpha
Helix 32
32
B
344 347Right-handed 310
Helix 33
33
B
348 374Right-handed alpha
Helix 34
34
B
375 379Right-handed 310
Helix 35
35
B
387 393Right-handed alpha
Helix 36
36
B
441 444Right-handed 310
Helix 37
37
B
456 471Right-handed alpha
Helix 38
38
B
489 495Right-handed alpha
Helix 39
39
B
520 533Right-handed alpha
Helix 40
40
C
14 26Right-handed alpha
Helix 41
41
C
50 60Right-handed alpha
Helix 42
42
C
62 69Right-handed alpha
Helix 43
43
C
98 105Right-handed alpha
Helix 44
44
C
118 133Right-handed alpha
Helix 45
45
C
150 154Right-handed 310
Helix 46
46
C
183 189Right-handed alpha
Helix 47
47
C
210 214Right-handed 310
Helix 48
48
C
256 260Right-handed 310
Helix 49
49
C
261 274Right-handed alpha
Helix 50
50
C
307 309Right-handed 310
Helix 51
51
C
319 340Right-handed alpha
Helix 52
52
C
346 374Right-handed alpha
Helix 53
53
C
375 379Right-handed 310
Helix 54
54
C
387 393Right-handed alpha
Helix 55
55
C
441 444Right-handed 310
Helix 56
56
C
456 471Right-handed alpha
Helix 57
57
C
489 495Right-handed alpha
Helix 58
58
C
520 533Right-handed alpha
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There are 15 sheets in PDB entry 3IHG. 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,

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
136 138first strand
Strand 2
A
31 34parallel
Strand 3
A
6 11parallel
Strand 4
A
166 177parallel
Strand 5
A
156 163anti-parallel
Strand 6
A
142 149anti-parallel
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There are 6 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
136 138first strand
Strand 2
A
31 34parallel
Strand 3
A
6 11parallel
Strand 4
A
166 177parallel
Strand 5
A
303 305parallel
Strand 6
A
299 300anti-parallel
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There are 8 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
91 96first strand
Strand 2
A
80 84anti-parallel
Strand 3
A
221 226parallel
Strand 4
A
231 236anti-parallel
Strand 5
A
242 249anti-parallel
Strand 6
A
193 208anti-parallel
Strand 7
A
281 295anti-parallel
Strand 8
A
311 312anti-parallel
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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
430 433first strand
Strand 2
A
436 439anti-parallel
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There are 4 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
474 478first strand
Strand 2
A
448 452parallel
Strand 3
A
501 504anti-parallel
Strand 4
A
510 514anti-parallel
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There are 6 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
136 138first strand
Strand 2
B
31 34parallel
Strand 3
B
6 11parallel
Strand 4
B
166 177parallel
Strand 5
B
156 163anti-parallel
Strand 6
B
142 149anti-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
B
136 138first strand
Strand 2
B
31 34parallel
Strand 3
B
6 11parallel
Strand 4
B
166 177parallel
Strand 5
B
303 305parallel
Strand 6
B
299 300anti-parallel
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There are 8 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
91 96first strand
Strand 2
B
80 84anti-parallel
Strand 3
B
221 226parallel
Strand 4
B
231 236anti-parallel
Strand 5
B
242 249anti-parallel
Strand 6
B
193 208anti-parallel
Strand 7
B
281 295anti-parallel
Strand 8
B
311 312anti-parallel
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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
B
430 433first strand
Strand 2
B
436 439anti-parallel
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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
B
474 478first strand
Strand 2
B
448 452parallel
Strand 3
B
501 504anti-parallel
Strand 4
B
510 514anti-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
136 139first strand
Strand 2
C
31 35parallel
Strand 3
C
6 11parallel
Strand 4
C
166 177parallel
Strand 5
C
156 163anti-parallel
Strand 6
C
142 149anti-parallel
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There are 6 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
136 139first strand
Strand 2
C
31 35parallel
Strand 3
C
6 11parallel
Strand 4
C
166 177parallel
Strand 5
C
303 305parallel
Strand 6
C
299 300anti-parallel
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There are 8 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
91 96first strand
Strand 2
C
80 84anti-parallel
Strand 3
C
221 226parallel
Strand 4
C
231 236anti-parallel
Strand 5
C
242 249anti-parallel
Strand 6
C
193 208anti-parallel
Strand 7
C
281 295anti-parallel
Strand 8
C
311 312anti-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
C
430 433first strand
Strand 2
C
436 439anti-parallel
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There are 4 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
474 478first strand
Strand 2
C
448 452parallel
Strand 3
C
501 504anti-parallel
Strand 4
C
510 514anti-parallel
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