Analysis of interatomic Contacts of Structural Units in PDB entry:
2I9U


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 2I9U entry

There are 2 chains in PDB entry 2I9U (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 9PHE 427
B
 ASN 9PHE 427
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 42 helices in PDB entry 2I9U. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
49 53Right-handed 310
Helix 2
2
A
77 82Right-handed 310
Helix 3
3
A
89 97Right-handed alpha
Helix 4
4
A
97 104Right-handed alpha
Helix 5
5
A
107 125Right-handed alpha
Helix 6
6
A
137 152Right-handed alpha
Helix 7
7
A
173 189Right-handed alpha
Helix 8
8
A
203 207Right-handed 310
Helix 9
9
A
208 223Right-handed alpha
Helix 10
10
A
233 244Right-handed alpha
Helix 11
11
A
249 257Right-handed alpha
Helix 12
12
A
274 284Right-handed alpha
Helix 13
13
A
291 298Right-handed alpha
Helix 14
14
A
304 311Right-handed alpha
Helix 15
15
A
328 347Right-handed alpha
Helix 16
16
A
355 364Right-handed alpha
Helix 17
17
A
364 369Right-handed alpha
Helix 18
18
A
394 398Right-handed 310
Helix 19
19
A
399 411Right-handed alpha
Helix 20
20
A
412 414Right-handed 310
Helix 21
21
B
49 53Right-handed 310
Helix 22
22
B
77 82Right-handed 310
Helix 23
23
B
89 97Right-handed alpha
Helix 24
24
B
97 103Right-handed alpha
Helix 25
25
B
104 106Right-handed 310
Helix 26
26
B
107 125Right-handed alpha
Helix 27
27
B
137 152Right-handed alpha
Helix 28
28
B
167 171Right-handed 310
Helix 29
29
B
173 189Right-handed alpha
Helix 30
30
B
203 207Right-handed 310
Helix 31
31
B
208 222Right-handed alpha
Helix 32
32
B
233 244Right-handed alpha
Helix 33
33
B
249 257Right-handed alpha
Helix 34
34
B
274 284Right-handed alpha
Helix 35
35
B
291 298Right-handed alpha
Helix 36
36
B
304 311Right-handed alpha
Helix 37
37
B
328 347Right-handed alpha
Helix 38
38
B
355 364Right-handed alpha
Helix 39
39
B
364 370Right-handed alpha
Helix 40
40
B
390 398Right-handed 310
Helix 41
41
B
399 411Right-handed alpha
Helix 42
42
B
412 414Right-handed 310
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There are 7 sheets in PDB entry 2I9U. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G,

There are 7 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
40 45first strand
Strand 2
A
25 37anti-parallel
Strand 3
A
10 22anti-parallel
Strand 4
A
57 67parallel
Strand 5
A
385 388anti-parallel
Strand 6
A
416 421anti-parallel
Strand 7
A
424 426anti-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
69 75first strand
Strand 2
A
127 133parallel
Strand 3
A
154 158parallel
Strand 4
A
195 197parallel
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There are 2 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
160 161first strand
Strand 2
A
200 201parallel
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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
226 230first strand
Strand 2
A
265 269parallel
Strand 3
A
287 290parallel
Strand 4
A
314 317parallel
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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
40 45first strand
Strand 2
B
27 37anti-parallel
Strand 3
B
10 19anti-parallel
Strand 4
B
58 67parallel
Strand 5
B
385 388anti-parallel
Strand 6
B
416 421anti-parallel
Strand 7
B
424 425anti-parallel
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There are 4 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
69 75first strand
Strand 2
B
127 133parallel
Strand 3
B
154 158parallel
Strand 4
B
195 197parallel
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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
B
226 230first strand
Strand 2
B
265 269parallel
Strand 3
B
287 290parallel
Strand 4
B
314 317parallel
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