Analysis of interatomic Contacts of Structural Units in PDB entry:
3IK2


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 3IK2 entry

There is 1 chain in PDB entry 3IK2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1HIS 512
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 21 helices in PDB entry 3IK2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
17 20Right-handed 310
Helix 2
2
A
39 43Right-handed 310
Helix 3
3
A
55 58Right-handed 310
Helix 4
4
A
64 70Right-handed alpha
Helix 5
5
A
73 77Right-handed 310
Helix 6
6
A
81 94Right-handed alpha
Helix 7
7
A
118 122Right-handed 310
Helix 8
8
A
152 164Right-handed alpha
Helix 9
9
A
180 182Right-handed 310
Helix 10
10
A
183 188Right-handed alpha
Helix 11
11
A
197 216Right-handed alpha
Helix 12
12
A
228 235Right-handed alpha
Helix 13
13
A
240 246Right-handed alpha
Helix 14
14
A
250 267Right-handed alpha
Helix 15
15
A
296 306Right-handed alpha
Helix 16
16
A
307 311Right-handed 310
Helix 17
17
A
319 325Right-handed alpha
Helix 18
18
A
326 329Right-handed 310
Helix 19
19
A
330 343Right-handed alpha
Helix 20
20
A
360 377Right-handed alpha
Helix 21
21
A
392 404Right-handed alpha
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There are 6 sheets in PDB entry 3IK2. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 7 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 15first strand
Strand 2
A
415 421anti-parallel
Strand 3
A
427 433anti-parallel
Strand 4
A
440 447anti-parallel
Strand 5
A
503 510anti-parallel
Strand 6
A
468 475anti-parallel
Strand 7
A
478 484anti-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
14 15first strand
Strand 2
A
415 421anti-parallel
Strand 3
A
2 8anti-parallel
Strand 4
A
454 461parallel
Strand 5
A
494 499anti-parallel
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There are 9 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
22 23first strand
Strand 2
A
34 37parallel
Strand 3
A
99 103parallel
Strand 4
A
174 177parallel
Strand 5
A
220 226parallel
Strand 6
A
273 278parallel
Strand 7
A
347 353parallel
Strand 8
A
379 384parallel
Strand 9
A
22 23parallel
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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
52 53first strand
Strand 2
A
61 63anti-parallel
Strand 3
A
115 116anti-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
108 110first strand
Strand 2
A
128 132anti-parallel
Strand 3
A
149 151parallel
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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
A
283 284first strand
Strand 2
A
287 288anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il