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


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 4TKD entry

There are 4 chains in PDB entry 4TKD (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 9ARG 135
B
 SER 9ARG 135
C
 SER 9ARG 135
D
 GLY 8ALA 131
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 16 helices in PDB entry 4TKD. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
9 22Right-handed alpha
Helix 2
AA2
A
67 82Right-handed alpha
Helix 3
AA3
A
101 103Right-handed 310
Helix 4
AA4
A
122 134Right-handed alpha
Helix 5
AA5
B
10 22Right-handed alpha
Helix 6
AA6
B
67 82Right-handed alpha
Helix 7
AA7
B
101 103Right-handed 310
Helix 8
AA8
B
121 131Right-handed alpha
Helix 9
AA9
C
10 22Right-handed alpha
Helix 10
AB1
C
67 82Right-handed alpha
Helix 11
AB2
C
101 103Right-handed 310
Helix 12
AB3
C
121 134Right-handed alpha
Helix 13
AB4
D
9 22Right-handed alpha
Helix 14
AB5
D
67 82Right-handed alpha
Helix 15
AB6
D
101 103Right-handed 310
Helix 16
AB7
D
121 131Right-handed alpha
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There are 8 sheets in PDB entry 4TKD. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8,

There are 6 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
25 28first strand
Strand 2
A
43 47anti-parallel
Strand 3
A
50 57anti-parallel
Strand 4
A
84 89parallel
Strand 5
A
96 99anti-parallel
Strand 6
A
120 121anti-parallel
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There are 3 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
64 66first strand
Strand 2
A
111 113anti-parallel
Strand 3
A
104 105anti-parallel
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There are 5 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
25 28first strand
Strand 2
B
43 47anti-parallel
Strand 3
B
50 57anti-parallel
Strand 4
B
84 91parallel
Strand 5
B
94 99anti-parallel
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There are 3 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
63 66first strand
Strand 2
B
111 114anti-parallel
Strand 3
B
104 105anti-parallel
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There are 5 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
25 28first strand
Strand 2
C
43 47anti-parallel
Strand 3
C
50 58anti-parallel
Strand 4
C
84 90parallel
Strand 5
C
97 99anti-parallel
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There are 3 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
64 66first strand
Strand 2
C
111 113anti-parallel
Strand 3
C
104 105anti-parallel
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There are 5 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
25 28first strand
Strand 2
D
43 47anti-parallel
Strand 3
D
50 58anti-parallel
Strand 4
D
84 90parallel
Strand 5
D
97 99anti-parallel
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There are 3 strands in AA8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
63 66first strand
Strand 2
D
111 114anti-parallel
Strand 3
D
104 105anti-parallel
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