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


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 3FKA entry

There are 4 chains in PDB entry 3FKA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 1ARG 119
B
 GLY 0ARG 119
C
 MSE 1ARG 119
D
 MSE 1ARG 119
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 12 helices in PDB entry 3FKA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 24Right-handed alpha
Helix 2
2
A
25 32Right-handed alpha
Helix 3
3
A
52 63Right-handed alpha
Helix 4
4
B
2 24Right-handed alpha
Helix 5
5
B
25 32Right-handed alpha
Helix 6
6
B
52 63Right-handed alpha
Helix 7
7
C
2 24Right-handed alpha
Helix 8
8
C
25 32Right-handed alpha
Helix 9
9
C
52 63Right-handed alpha
Helix 10
10
D
2 24Right-handed alpha
Helix 11
11
D
25 32Right-handed alpha
Helix 12
12
D
52 62Right-handed alpha
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There are 2 sheets in PDB entry 3FKA. Click on sheet of interest to get list of strands forming it: A, B,

There are 12 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
46 51first strand
Strand 2
A
33 43anti-parallel
Strand 3
A
108 118parallel
Strand 4
A
94 105anti-parallel
Strand 5
A
82 91anti-parallel
Strand 6
A
71 79anti-parallel
Strand 7
D
71 79anti-parallel
Strand 8
D
82 91anti-parallel
Strand 9
D
94 105anti-parallel
Strand 10
D
108 118anti-parallel
Strand 11
D
33 43parallel
Strand 12
D
46 51anti-parallel
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There are 12 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
46 51first strand
Strand 2
B
33 43anti-parallel
Strand 3
B
108 118parallel
Strand 4
B
94 105anti-parallel
Strand 5
B
82 91anti-parallel
Strand 6
B
71 79anti-parallel
Strand 7
C
71 79anti-parallel
Strand 8
C
82 91anti-parallel
Strand 9
C
94 105anti-parallel
Strand 10
C
108 118anti-parallel
Strand 11
C
33 43parallel
Strand 12
C
46 51anti-parallel
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