Analysis of interatomic Contacts of Structural Units in PDB entry:
3U9I


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 3U9I entry

There are 2 chains in PDB entry 3U9I (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 4ARG 369
B
 MET 3PRO 371
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 33 helices in PDB entry 3U9I. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
57 62Right-handed alpha
Helix 2
2
A
64 75Right-handed alpha
Helix 3
3
A
75 80Right-handed alpha
Helix 4
4
A
83 85Right-handed 310
Helix 5
5
A
86 94Right-handed alpha
Helix 6
6
A
95 97Right-handed 310
Helix 7
7
A
101 120Right-handed alpha
Helix 8
8
A
123 128Right-handed alpha
Helix 9
9
A
147 158Right-handed alpha
Helix 10
10
A
178 195Right-handed alpha
Helix 11
11
A
209 219Right-handed alpha
Helix 12
12
A
240 248Right-handed alpha
Helix 13
13
A
261 271Right-handed alpha
Helix 14
14
A
280 285Right-handed alpha
Helix 15
15
A
285 300Right-handed alpha
Helix 16
16
A
311 326Right-handed alpha
Helix 17
17
A
334 338Right-handed 310
Helix 18
18
B
57 62Right-handed alpha
Helix 19
19
B
64 80Right-handed alpha
Helix 20
20
B
83 85Right-handed 310
Helix 21
21
B
86 94Right-handed alpha
Helix 22
22
B
95 97Right-handed 310
Helix 23
23
B
101 121Right-handed alpha
Helix 24
24
B
123 128Right-handed alpha
Helix 25
25
B
145 160Right-handed alpha
Helix 26
26
B
178 195Right-handed alpha
Helix 27
27
B
209 223Right-handed alpha
Helix 28
28
B
238 248Right-handed alpha
Helix 29
29
B
261 271Right-handed alpha
Helix 30
30
B
280 285Right-handed alpha
Helix 31
31
B
285 300Right-handed alpha
Helix 32
32
B
311 326Right-handed alpha
Helix 33
33
B
334 338Right-handed 310
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There are 8 sheets in PDB entry 3U9I. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 3 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
9 20first strand
Strand 2
A
34 44anti-parallel
Strand 3
A
49 54anti-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
134 136first strand
Strand 2
A
354 356anti-parallel
Strand 3
A
349 351anti-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
139 141first strand
Strand 2
A
163 167parallel
Strand 3
A
199 203parallel
Strand 4
A
229 231parallel
Strand 5
A
253 255parallel
Strand 6
A
276 279parallel
Strand 7
A
302 305parallel
Strand 8
A
328 331parallel
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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
344 346first strand
Strand 2
A
366 368anti-parallel
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There are 3 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
9 19first strand
Strand 2
B
35 44anti-parallel
Strand 3
B
49 54anti-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
B
134 136first strand
Strand 2
B
354 356anti-parallel
Strand 3
B
349 351anti-parallel
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There are 8 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
139 141first strand
Strand 2
B
163 167parallel
Strand 3
B
199 203parallel
Strand 4
B
229 231parallel
Strand 5
B
253 255parallel
Strand 6
B
276 279parallel
Strand 7
B
302 305parallel
Strand 8
B
328 331parallel
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There are 2 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
344 345first strand
Strand 2
B
367 368anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il