Analysis of interatomic Contacts of Structural Units in PDB entry:
4I9K


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 4I9K entry

There are 2 chains in PDB entry 4I9K (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 63TYR 413
B
 ALA 63TYR 413
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 34 helices in PDB entry 4I9K. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
66 75Right-handed alpha
Helix 2
2
A
81 100Right-handed alpha
Helix 3
3
A
124 136Right-handed alpha
Helix 4
4
A
159 168Right-handed alpha
Helix 5
5
A
172 178Right-handed alpha
Helix 6
6
A
185 190Right-handed 310
Helix 7
7
A
203 217Right-handed alpha
Helix 8
8
A
253 263Right-handed alpha
Helix 9
9
A
284 288Right-handed alpha
Helix 10
10
A
291 299Right-handed alpha
Helix 11
11
A
301 306Right-handed alpha
Helix 12
12
A
318 328Right-handed alpha
Helix 13
13
A
332 343Right-handed alpha
Helix 14
14
A
351 365Right-handed alpha
Helix 15
15
A
372 380Right-handed alpha
Helix 16
16
A
380 386Right-handed alpha
Helix 17
17
A
398 403Right-handed alpha
Helix 18
18
B
66 75Right-handed alpha
Helix 19
19
B
81 100Right-handed alpha
Helix 20
20
B
124 136Right-handed alpha
Helix 21
21
B
159 168Right-handed alpha
Helix 22
22
B
172 178Right-handed alpha
Helix 23
23
B
185 190Right-handed 310
Helix 24
24
B
203 217Right-handed alpha
Helix 25
25
B
253 263Right-handed alpha
Helix 26
26
B
284 288Right-handed alpha
Helix 27
27
B
291 299Right-handed alpha
Helix 28
28
B
301 306Right-handed alpha
Helix 29
29
B
318 328Right-handed alpha
Helix 30
30
B
332 343Right-handed alpha
Helix 31
31
B
351 365Right-handed alpha
Helix 32
32
B
372 380Right-handed alpha
Helix 33
33
B
380 386Right-handed alpha
Helix 34
34
B
398 403Right-handed alpha
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There are 4 sheets in PDB entry 4I9K. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
140 144first strand
Strand 2
A
180 184parallel
Strand 3
A
244 247parallel
Strand 4
A
115 118parallel
Strand 5
A
310 313parallel
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There are 3 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
347 350first strand
Strand 2
A
394 397parallel
Strand 3
A
410 412anti-parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
140 144first strand
Strand 2
B
180 184parallel
Strand 3
B
244 247parallel
Strand 4
B
115 118parallel
Strand 5
B
310 313parallel
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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
B
347 350first strand
Strand 2
B
394 397parallel
Strand 3
B
410 412anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il