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


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 3IUP entry

There are 2 chains in PDB entry 3IUP (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS 2ALA 377
B
 HIS 2LEU 376
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 27 helices in PDB entry 3IUP. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
44 53Right-handed alpha
Helix 2
2
A
76 84Right-handed alpha
Helix 3
3
A
85 87Right-handed 310
Helix 4
4
A
107 112Right-handed alpha
Helix 5
5
A
145 150Right-handed alpha
Helix 6
6
A
153 169Right-handed alpha
Helix 7
7
A
181 195Right-handed alpha
Helix 8
8
A
204 214Right-handed alpha
Helix 9
9
A
226 239Right-handed alpha
Helix 10
10
A
251 266Right-handed alpha
Helix 11
11
A
309 318Right-handed alpha
Helix 12
12
A
318 332Right-handed alpha
Helix 13
13
A
347 351Right-handed alpha
Helix 14
14
A
352 360Right-handed alpha
Helix 15
15
B
44 53Right-handed alpha
Helix 16
16
B
76 87Right-handed 310
Helix 17
17
B
107 112Right-handed alpha
Helix 18
18
B
145 150Right-handed alpha
Helix 19
19
B
153 169Right-handed alpha
Helix 20
20
B
181 195Right-handed alpha
Helix 21
21
B
204 214Right-handed alpha
Helix 22
22
B
226 239Right-handed alpha
Helix 23
23
B
251 267Right-handed alpha
Helix 24
24
B
309 318Right-handed alpha
Helix 25
25
B
318 332Right-handed alpha
Helix 26
26
B
346 351Right-handed alpha
Helix 27
27
B
352 360Right-handed alpha
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There are 8 sheets in PDB entry 3IUP. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 5 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
56 64first strand
Strand 2
A
69 74anti-parallel
Strand 3
A
16 25anti-parallel
Strand 4
A
3 11anti-parallel
Strand 5
A
89 92anti-parallel
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There are 5 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
129 133first strand
Strand 2
A
33 42anti-parallel
Strand 3
A
97 104anti-parallel
Strand 4
A
117 120anti-parallel
Strand 5
A
137 139anti-parallel
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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
129 133first strand
Strand 2
A
33 42anti-parallel
Strand 3
A
368 371anti-parallel
Strand 4
A
343 346parallel
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There are 12 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
219 221first strand
Strand 2
A
198 202parallel
Strand 3
A
174 176parallel
Strand 4
A
242 245parallel
Strand 5
A
280 284parallel
Strand 6
A
303 307parallel
Strand 7
B
303 307anti-parallel
Strand 8
B
280 284parallel
Strand 9
B
242 245parallel
Strand 10
B
173 176parallel
Strand 11
B
197 202parallel
Strand 12
B
218 221parallel
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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
248 250first strand
Strand 2
A
289 295parallel
Strand 3
B
289 295anti-parallel
Strand 4
B
248 250parallel
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There are 5 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
56 64first strand
Strand 2
B
69 74anti-parallel
Strand 3
B
16 25anti-parallel
Strand 4
B
3 11anti-parallel
Strand 5
B
90 92anti-parallel
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There are 5 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
129 133first strand
Strand 2
B
33 42anti-parallel
Strand 3
B
97 104anti-parallel
Strand 4
B
117 120anti-parallel
Strand 5
B
137 139anti-parallel
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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
B
129 133first strand
Strand 2
B
33 42anti-parallel
Strand 3
B
368 370anti-parallel
Strand 4
B
343 345parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il