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


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 4QIK entry

There are 4 chains in PDB entry 4QIK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 89HIS 398
B
 SER 88HIS 398
C
 A 3 G 21
D
 G 5 A 22
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 32 helices in PDB entry 4QIK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
91 109Right-handed alpha
Helix 2
2
A
121 125Right-handed 310
Helix 3
3
A
130 143Right-handed alpha
Helix 4
4
A
147 174Right-handed alpha
Helix 5
5
A
178 190Right-handed alpha
Helix 6
6
A
196 212Right-handed alpha
Helix 7
7
A
219 231Right-handed alpha
Helix 8
8
A
238 252Right-handed alpha
Helix 9
9
A
270 274Right-handed 310
Helix 10
10
A
275 294Right-handed alpha
Helix 11
11
A
299 309Right-handed alpha
Helix 12
12
A
313 325Right-handed alpha
Helix 13
13
A
328 343Right-handed alpha
Helix 14
14
A
349 352Right-handed 310
Helix 15
15
A
353 362Right-handed alpha
Helix 16
16
A
373 398Right-handed alpha
Helix 17
17
B
89 108Right-handed alpha
Helix 18
18
B
109 111Right-handed 310
Helix 19
19
B
130 142Right-handed alpha
Helix 20
20
B
147 174Right-handed alpha
Helix 21
21
B
178 190Right-handed alpha
Helix 22
22
B
196 212Right-handed alpha
Helix 23
23
B
219 231Right-handed alpha
Helix 24
24
B
238 252Right-handed alpha
Helix 25
25
B
271 274Right-handed 310
Helix 26
26
B
275 294Right-handed alpha
Helix 27
27
B
299 309Right-handed alpha
Helix 28
28
B
313 325Right-handed alpha
Helix 29
29
B
328 343Right-handed alpha
Helix 30
30
B
349 352Right-handed 310
Helix 31
31
B
353 362Right-handed alpha
Helix 32
32
B
373 398Right-handed alpha
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There are 2 sheets in PDB entry 4QIK. Click on sheet of interest to get list of strands forming it: A, B,

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
217 218first strand
Strand 2
A
266 267anti-parallel
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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
B
217 218first strand
Strand 2
B
266 269anti-parallel
Strand 3
B
255 258anti-parallel
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