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


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 2IOB entry

There are 2 chains in PDB entry 2IOB (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE 12LYS 618
B
 GLY 13LYS 618
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 44 helices in PDB entry 2IOB. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
35 41Right-handed alpha
Helix 2
2
A
58 72Right-handed alpha
Helix 3
3
A
80 87Right-handed 310
Helix 4
4
A
123 127Right-handed 310
Helix 5
5
A
205 210Right-handed 310
Helix 6
6
A
231 242Right-handed alpha
Helix 7
7
A
257 284Right-handed alpha
Helix 8
8
A
284 289Right-handed alpha
Helix 9
9
A
290 292Right-handed 310
Helix 10
10
A
294 296Right-handed 310
Helix 11
11
A
297 309Right-handed alpha
Helix 12
12
A
310 312Right-handed 310
Helix 13
13
A
338 344Right-handed alpha
Helix 14
14
A
344 354Right-handed alpha
Helix 15
15
A
364 375Right-handed alpha
Helix 16
16
A
389 406Right-handed alpha
Helix 17
17
A
443 450Right-handed alpha
Helix 18
18
A
474 480Right-handed alpha
Helix 19
19
A
489 494Right-handed 310
Helix 20
20
A
497 499Right-handed 310
Helix 21
21
A
500 508Right-handed alpha
Helix 22
22
B
29 33Right-handed 310
Helix 23
23
B
36 40Right-handed 310
Helix 24
24
B
58 72Right-handed alpha
Helix 25
25
B
80 87Right-handed 310
Helix 26
26
B
123 127Right-handed 310
Helix 27
27
B
205 210Right-handed 310
Helix 28
28
B
231 242Right-handed alpha
Helix 29
29
B
257 283Right-handed alpha
Helix 30
30
B
284 289Right-handed alpha
Helix 31
31
B
290 292Right-handed 310
Helix 32
32
B
294 296Right-handed 310
Helix 33
33
B
297 309Right-handed alpha
Helix 34
34
B
310 312Right-handed 310
Helix 35
35
B
338 344Right-handed alpha
Helix 36
36
B
344 354Right-handed alpha
Helix 37
37
B
364 375Right-handed alpha
Helix 38
38
B
389 406Right-handed alpha
Helix 39
39
B
443 449Right-handed alpha
Helix 40
40
B
450 452Right-handed 310
Helix 41
41
B
474 480Right-handed alpha
Helix 42
42
B
489 494Right-handed 310
Helix 43
43
B
499 508Right-handed alpha
Helix 44
44
B
522 529Right-handed alpha
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There are 18 sheets in PDB entry 2IOB. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R,

There are 2 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
14 19first strand
Strand 2
A
23 27anti-parallel
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There are 2 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
45 48first strand
Strand 2
A
51 55anti-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
73 74first strand
Strand 2
A
89 92anti-parallel
Strand 3
A
97 100anti-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
A
102 105first strand
Strand 2
A
185 190anti-parallel
Strand 3
A
117 120anti-parallel
Strand 4
A
131 137anti-parallel
Strand 5
A
142 146anti-parallel
Strand 6
A
163 170anti-parallel
Strand 7
A
173 177anti-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
A
212 215first strand
Strand 2
A
251 256anti-parallel
Strand 3
A
614 617parallel
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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
A
325 332first strand
Strand 2
A
314 322anti-parallel
Strand 3
A
580 588anti-parallel
Strand 4
A
591 600anti-parallel
Strand 5
A
610 612anti-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
A
409 414first strand
Strand 2
A
381 386parallel
Strand 3
A
437 440parallel
Strand 4
A
485 487parallel
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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
A
420 421first strand
Strand 2
A
427 428anti-parallel
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There are 3 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
517 518first strand
Strand 2
A
566 568anti-parallel
Strand 3
A
531 533anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
14 19first strand
Strand 2
B
23 27anti-parallel
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There are 2 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
45 48first strand
Strand 2
B
51 55anti-parallel
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There are 3 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
73 74first strand
Strand 2
B
89 92anti-parallel
Strand 3
B
97 100anti-parallel
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There are 7 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
102 105first strand
Strand 2
B
185 190anti-parallel
Strand 3
B
117 120anti-parallel
Strand 4
B
131 139anti-parallel
Strand 5
B
142 146anti-parallel
Strand 6
B
163 170anti-parallel
Strand 7
B
173 177anti-parallel
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There are 3 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
212 215first strand
Strand 2
B
251 256anti-parallel
Strand 3
B
614 617parallel
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There are 5 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
325 332first strand
Strand 2
B
314 322anti-parallel
Strand 3
B
580 588anti-parallel
Strand 4
B
591 600anti-parallel
Strand 5
B
611 612anti-parallel
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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
409 414first strand
Strand 2
B
381 386parallel
Strand 3
B
437 440parallel
Strand 4
B
485 487parallel
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There are 2 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
420 421first strand
Strand 2
B
427 428anti-parallel
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There are 4 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
517 518first strand
Strand 2
B
565 569anti-parallel
Strand 3
B
530 534anti-parallel
Strand 4
B
544 546anti-parallel
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