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


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 4KTB entry

There are 4 chains in PDB entry 4KTB (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 32LEU 191
B
 SER 33ASP 190
C
 ARG 32LEU 191
D
 SER 33LEU 191
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 4KTB. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
82 96Right-handed alpha
Helix 2
2
A
157 162Right-handed alpha
Helix 3
3
A
163 169Right-handed alpha
Helix 4
4
A
173 185Right-handed alpha
Helix 5
5
B
82 96Right-handed alpha
Helix 6
6
B
157 162Right-handed alpha
Helix 7
7
B
163 168Right-handed alpha
Helix 8
8
B
173 185Right-handed alpha
Helix 9
9
C
82 96Right-handed alpha
Helix 10
10
C
157 162Right-handed alpha
Helix 11
11
C
163 169Right-handed alpha
Helix 12
12
C
173 185Right-handed alpha
Helix 13
13
D
82 96Right-handed alpha
Helix 14
14
D
157 162Right-handed alpha
Helix 15
15
D
163 169Right-handed alpha
Helix 16
16
D
173 185Right-handed alpha
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There are 8 sheets in PDB entry 4KTB. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 6 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
68 71first strand
Strand 2
A
53 62anti-parallel
Strand 3
A
37 47anti-parallel
Strand 4
A
131 139parallel
Strand 5
A
111 116anti-parallel
Strand 6
A
124 125parallel
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There are 4 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
73 76first strand
Strand 2
A
37 47anti-parallel
Strand 3
A
53 62anti-parallel
Strand 4
A
152 156anti-parallel
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There are 6 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
68 71first strand
Strand 2
B
53 62anti-parallel
Strand 3
B
37 47anti-parallel
Strand 4
B
131 139parallel
Strand 5
B
111 116anti-parallel
Strand 6
B
124 125parallel
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There are 4 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
73 76first strand
Strand 2
B
37 47anti-parallel
Strand 3
B
53 62anti-parallel
Strand 4
B
152 156anti-parallel
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There are 6 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
68 71first strand
Strand 2
C
53 62anti-parallel
Strand 3
C
37 47anti-parallel
Strand 4
C
131 139parallel
Strand 5
C
111 116anti-parallel
Strand 6
C
124 125parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
73 76first strand
Strand 2
C
37 47anti-parallel
Strand 3
C
53 62anti-parallel
Strand 4
C
152 156anti-parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
68 71first strand
Strand 2
D
53 62anti-parallel
Strand 3
D
36 47anti-parallel
Strand 4
D
130 139parallel
Strand 5
D
111 116anti-parallel
Strand 6
D
124 125parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
73 76first strand
Strand 2
D
36 47anti-parallel
Strand 3
D
53 62anti-parallel
Strand 4
D
150 156anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il