Analysis of interatomic Contacts of Structural Units in PDB entry:
3IU1


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 3IU1 entry

There are 2 chains in PDB entry 3IU1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 115GLN 496
B
 ARG 115GLN 496
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 29 helices in PDB entry 3IU1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
119 123Right-handed 310
Helix 2
2
A
165 180Right-handed alpha
Helix 3
3
A
193 202Right-handed alpha
Helix 4
4
A
207 209Right-handed 310
Helix 5
5
A
252 255Right-handed 310
Helix 6
6
A
258 273Right-handed alpha
Helix 7
7
A
302 309Right-handed alpha
Helix 8
8
A
319 328Right-handed alpha
Helix 9
9
A
342 344Right-handed 310
Helix 10
10
A
345 357Right-handed alpha
Helix 11
11
A
358 360Right-handed 310
Helix 12
12
A
367 376Right-handed alpha
Helix 13
13
A
430 445Right-handed alpha
Helix 14
14
A
457 461Right-handed 310
Helix 15
15
A
487 491Right-handed 310
Helix 16
16
B
119 123Right-handed 310
Helix 17
17
B
165 180Right-handed alpha
Helix 18
18
B
193 202Right-handed alpha
Helix 19
19
B
207 209Right-handed 310
Helix 20
20
B
252 255Right-handed 310
Helix 21
21
B
258 273Right-handed alpha
Helix 22
22
B
302 309Right-handed alpha
Helix 23
23
B
319 328Right-handed alpha
Helix 24
24
B
342 344Right-handed 310
Helix 25
25
B
345 358Right-handed alpha
Helix 26
26
B
367 376Right-handed alpha
Helix 27
27
B
430 445Right-handed alpha
Helix 28
28
B
457 461Right-handed 310
Helix 29
29
B
487 491Right-handed 310
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There are 8 sheets in PDB entry 3IU1. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 12 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
156 160first strand
Strand 2
A
211 216anti-parallel
Strand 3
A
222 235anti-parallel
Strand 4
A
238 250anti-parallel
Strand 5
A
279 283parallel
Strand 6
A
468 479anti-parallel
Strand 7
A
292 300anti-parallel
Strand 8
A
449 453anti-parallel
Strand 9
A
418 421parallel
Strand 10
A
394 402anti-parallel
Strand 11
A
382 388anti-parallel
Strand 12
A
338 340anti-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
156 160first strand
Strand 2
A
211 216anti-parallel
Strand 3
A
222 235anti-parallel
Strand 4
A
362 365anti-parallel
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There are 3 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
188 190first strand
Strand 2
A
405 407anti-parallel
Strand 3
A
415 416anti-parallel
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There are 7 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
156 160first strand
Strand 2
B
211 216anti-parallel
Strand 3
B
222 235anti-parallel
Strand 4
B
238 250anti-parallel
Strand 5
B
279 283parallel
Strand 6
B
474 479anti-parallel
Strand 7
B
292 294anti-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
B
156 160first strand
Strand 2
B
211 216anti-parallel
Strand 3
B
222 235anti-parallel
Strand 4
B
362 365anti-parallel
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There are 2 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
188 190first strand
Strand 2
B
405 407anti-parallel
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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
338 340first strand
Strand 2
B
382 388anti-parallel
Strand 3
B
394 402anti-parallel
Strand 4
B
425 426anti-parallel
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There are 7 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
338 340first strand
Strand 2
B
382 388anti-parallel
Strand 3
B
394 402anti-parallel
Strand 4
B
418 421anti-parallel
Strand 5
B
449 453parallel
Strand 6
B
296 300anti-parallel
Strand 7
B
468 469anti-parallel
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