Analysis of interatomic Contacts of Structural Units in PDB entry:
1KTN


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 1KTN entry

There are 2 chains in PDB entry 1KTN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1HIS 250
B
 THR 2HIS 250
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 24 helices in PDB entry 1KTN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
1 13Right-handed alpha
Helix 2
2
A
25 36Right-handed alpha
Helix 3
3
A
49 51Right-handed 310
Helix 4
4
A
52 63Right-handed alpha
Helix 5
5
A
82 97Right-handed alpha
Helix 6
6
A
106 112Right-handed alpha
Helix 7
7
A
115 132Right-handed alpha
Helix 8
8
A
141 146Right-handed alpha
Helix 9
9
A
147 161Right-handed alpha
Helix 10
10
A
178 193Right-handed alpha
Helix 11
11
A
208 224Right-handed alpha
Helix 12
12
A
239 248Right-handed alpha
Helix 13
13
B
2 13Right-handed alpha
Helix 14
14
B
25 36Right-handed alpha
Helix 15
15
B
49 51Right-handed 310
Helix 16
16
B
52 63Right-handed alpha
Helix 17
17
B
82 97Right-handed alpha
Helix 18
18
B
106 112Right-handed alpha
Helix 19
19
B
115 132Right-handed alpha
Helix 20
20
B
141 146Right-handed alpha
Helix 21
21
B
147 161Right-handed alpha
Helix 22
22
B
178 193Right-handed alpha
Helix 23
23
B
208 224Right-handed alpha
Helix 24
24
B
239 248Right-handed alpha
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There are 4 sheets in PDB entry 1KTN. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
199 201first strand
Strand 2
A
165 167parallel
Strand 3
A
135 139parallel
Strand 4
A
100 104parallel
Strand 5
A
69 74parallel
Strand 6
A
45 48parallel
Strand 7
A
15 18parallel
Strand 8
A
235 237parallel
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There are 2 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
37 38first strand
Strand 2
A
41 42anti-parallel
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There are 8 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
199 201first strand
Strand 2
B
165 167parallel
Strand 3
B
135 139parallel
Strand 4
B
100 104parallel
Strand 5
B
69 74parallel
Strand 6
B
45 48parallel
Strand 7
B
15 18parallel
Strand 8
B
235 237parallel
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There are 2 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
37 38first strand
Strand 2
B
41 42anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il