Analysis of interatomic Contacts of Structural Units in PDB entry:
4Q3K


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 4Q3K entry

There are 2 chains in PDB entry 4Q3K (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN -1LEU 239
B
 PHE -2LEU 239
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 4Q3K. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
27 31Right-handed 310
Helix 2
2
A
48 51Right-handed 310
Helix 3
3
A
52 62Right-handed alpha
Helix 4
4
A
73 77Right-handed 310
Helix 5
5
A
80 96Right-handed alpha
Helix 6
6
A
113 126Right-handed alpha
Helix 7
7
A
174 187Right-handed alpha
Helix 8
8
A
207 211Right-handed 310
Helix 9
9
A
214 218Right-handed 310
Helix 10
10
A
224 237Right-handed alpha
Helix 11
11
B
24 31Right-handed 310
Helix 12
12
B
48 51Right-handed 310
Helix 13
13
B
52 62Right-handed alpha
Helix 14
14
B
73 77Right-handed 310
Helix 15
15
B
80 96Right-handed alpha
Helix 16
16
B
96 101Right-handed alpha
Helix 17
17
B
113 126Right-handed alpha
Helix 18
18
B
174 187Right-handed alpha
Helix 19
19
B
207 211Right-handed 310
Helix 20
20
B
214 218Right-handed 310
Helix 21
21
B
224 237Right-handed alpha
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There are 2 sheets in PDB entry 4Q3K. Click on sheet of interest to get list of strands forming it: A, B,

There are 8 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
2 6first strand
Strand 2
A
15 20anti-parallel
Strand 3
A
65 70anti-parallel
Strand 4
A
33 39parallel
Strand 5
A
102 112parallel
Strand 6
A
132 136parallel
Strand 7
A
161 166parallel
Strand 8
A
191 196parallel
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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
B
2 6first strand
Strand 2
B
15 20anti-parallel
Strand 3
B
65 70anti-parallel
Strand 4
B
33 39parallel
Strand 5
B
102 112parallel
Strand 6
B
132 136parallel
Strand 7
B
161 166parallel
Strand 8
B
191 196parallel
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