Analysis of interatomic Contacts of Structural Units in PDB entry:
1UN9


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 1UN9 entry

There are 2 chains in PDB entry 1UN9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1GLU 550
B
 ALA 1GLU 550
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 40 helices in PDB entry 1UN9. 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 10Right-handed 310
Helix 2
2
A
11 22Right-handed alpha
Helix 3
3
A
65 68Right-handed 310
Helix 4
4
A
87 99Right-handed alpha
Helix 5
5
A
111 127Right-handed alpha
Helix 6
6
A
154 169Right-handed alpha
Helix 7
7
A
171 184Right-handed alpha
Helix 8
8
A
232 246Right-handed alpha
Helix 9
9
A
265 278Right-handed alpha
Helix 10
10
A
281 283Right-handed 310
Helix 11
11
A
312 320Right-handed alpha
Helix 12
12
A
355 384Right-handed alpha
Helix 13
13
A
387 405Right-handed alpha
Helix 14
14
A
412 428Right-handed alpha
Helix 15
15
A
429 449Right-handed alpha
Helix 16
16
A
452 469Right-handed alpha
Helix 17
17
A
477 489Right-handed alpha
Helix 18
18
A
494 509Right-handed alpha
Helix 19
19
A
510 512Right-handed 310
Helix 20
20
A
533 548Right-handed alpha
Helix 21
21
B
8 10Right-handed 310
Helix 22
22
B
11 22Right-handed alpha
Helix 23
23
B
65 68Right-handed 310
Helix 24
24
B
87 99Right-handed alpha
Helix 25
25
B
111 127Right-handed alpha
Helix 26
26
B
154 169Right-handed alpha
Helix 27
27
B
171 184Right-handed alpha
Helix 28
28
B
232 246Right-handed alpha
Helix 29
29
B
265 278Right-handed alpha
Helix 30
30
B
281 283Right-handed 310
Helix 31
31
B
312 320Right-handed alpha
Helix 32
32
B
355 384Right-handed alpha
Helix 33
33
B
387 405Right-handed alpha
Helix 34
34
B
412 428Right-handed alpha
Helix 35
35
B
429 449Right-handed alpha
Helix 36
36
B
452 469Right-handed alpha
Helix 37
37
B
477 489Right-handed alpha
Helix 38
38
B
494 509Right-handed alpha
Helix 39
39
B
510 512Right-handed 310
Helix 40
40
B
533 548Right-handed alpha
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There are 4 sheets in PDB entry 1UN9. Click on sheet of interest to get list of strands forming it: AA, AB, AC, BA,

There are 7 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
132 137first strand
Strand 2
A
104 109parallel
Strand 3
A
52 59parallel
Strand 4
A
76 82parallel
Strand 5
A
39 43anti-parallel
Strand 6
A
29 32anti-parallel
Strand 7
B
338 339parallel
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There are 6 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
227 228first strand
Strand 2
A
213 215anti-parallel
Strand 3
A
186 194anti-parallel
Strand 4
A
301 309anti-parallel
Strand 5
A
254 260anti-parallel
Strand 6
A
285 292parallel
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There are 7 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
338 339first strand
Strand 2
B
29 32parallel
Strand 3
B
39 43anti-parallel
Strand 4
B
76 82anti-parallel
Strand 5
B
52 59parallel
Strand 6
B
104 109parallel
Strand 7
B
132 137parallel
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There are 6 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
227 228first strand
Strand 2
B
213 215anti-parallel
Strand 3
B
186 194anti-parallel
Strand 4
B
301 309anti-parallel
Strand 5
B
254 260anti-parallel
Strand 6
B
285 292parallel
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