Analysis of interatomic Contacts of Structural Units in PDB entry:
2I5K


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 2I5K entry

There are 2 chains in PDB entry 2I5K (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 22HIS 499
B
 ASN 20HIS 499
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 2I5K. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
22 31Right-handed alpha
Helix 2
2
A
48 68Right-handed alpha
Helix 3
3
A
73 75Right-handed 310
Helix 4
4
A
88 93Right-handed alpha
Helix 5
5
A
100 102Right-handed 310
Helix 6
6
A
114 118Right-handed 310
Helix 7
7
A
133 150Right-handed alpha
Helix 8
8
A
163 172Right-handed alpha
Helix 9
9
A
173 175Right-handed 310
Helix 10
10
A
215 217Right-handed 310
Helix 11
11
A
218 227Right-handed alpha
Helix 12
12
A
227 235Right-handed alpha
Helix 13
13
A
253 263Right-handed alpha
Helix 14
14
A
275 279Right-handed 310
Helix 15
15
A
295 299Right-handed 310
Helix 16
16
A
303 308Right-handed alpha
Helix 17
17
A
325 334Right-handed alpha
Helix 18
18
A
363 371Right-handed 310
Helix 19
19
A
380 384Right-handed 310
Helix 20
20
A
389 397Right-handed alpha
Helix 21
21
A
425 428Right-handed 310
Helix 22
22
A
429 437Right-handed alpha
Helix 23
23
B
21 28Right-handed alpha
Helix 24
24
B
29 34Right-handed alpha
Helix 25
25
B
48 66Right-handed alpha
Helix 26
26
B
73 75Right-handed 310
Helix 27
27
B
87 93Right-handed alpha
Helix 28
28
B
98 102Right-handed 310
Helix 29
29
B
115 118Right-handed 310
Helix 30
30
B
134 149Right-handed alpha
Helix 31
31
B
163 172Right-handed alpha
Helix 32
32
B
173 175Right-handed 310
Helix 33
33
B
207 209Right-handed 310
Helix 34
34
B
218 226Right-handed alpha
Helix 35
35
B
227 235Right-handed alpha
Helix 36
36
B
253 263Right-handed alpha
Helix 37
37
B
295 299Right-handed 310
Helix 38
38
B
303 309Right-handed alpha
Helix 39
39
B
325 334Right-handed alpha
Helix 40
40
B
363 371Right-handed 310
Helix 41
41
B
380 384Right-handed 310
Helix 42
42
B
389 396Right-handed alpha
Helix 43
43
B
425 428Right-handed 310
Helix 44
44
B
429 437Right-handed alpha
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There are 15 sheets in PDB entry 2I5K. 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,

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
77 78first strand
Strand 2
A
283 287anti-parallel
Strand 3
A
290 294anti-parallel
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There are 8 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
85 87first strand
Strand 2
A
375 379parallel
Strand 3
A
267 273parallel
Strand 4
A
315 324anti-parallel
Strand 5
A
239 243anti-parallel
Strand 6
A
104 109parallel
Strand 7
A
154 158parallel
Strand 8
A
180 184parallel
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There are 2 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
189 190first strand
Strand 2
A
211 212anti-parallel
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There are 3 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
192 193first strand
Strand 2
A
357 358anti-parallel
Strand 3
A
345 346anti-parallel
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There are 2 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
401 404first strand
Strand 2
A
407 410anti-parallel
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There are 8 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
420 423first strand
Strand 2
A
446 452parallel
Strand 3
A
462 470parallel
Strand 4
A
484 498parallel
Strand 5
B
484 498anti-parallel
Strand 6
B
462 470parallel
Strand 7
B
442 452parallel
Strand 8
B
420 423parallel
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There are 2 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
455 457first strand
Strand 2
A
477 479parallel
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There are 3 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
77 78first strand
Strand 2
B
283 287anti-parallel
Strand 3
B
290 294anti-parallel
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There are 8 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
85 86first strand
Strand 2
B
375 378parallel
Strand 3
B
267 273parallel
Strand 4
B
315 324anti-parallel
Strand 5
B
239 243anti-parallel
Strand 6
B
104 109parallel
Strand 7
B
155 159parallel
Strand 8
B
182 185parallel
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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
113 114first strand
Strand 2
B
119 122anti-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
127 129first strand
Strand 2
B
132 133anti-parallel
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There are 2 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
189 190first strand
Strand 2
B
211 212anti-parallel
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There are 3 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
192 193first strand
Strand 2
B
357 361anti-parallel
Strand 3
B
342 344anti-parallel
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There are 2 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
401 404first strand
Strand 2
B
407 410anti-parallel
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There are 2 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
455 457first strand
Strand 2
B
477 479parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il