Analysis of interatomic Contacts of Structural Units in PDB entry:
1K4O


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 1K4O entry

There is 1 chain in PDB entry 1K4O (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
PHE 12LEU 227
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 10 helices in PDB entry 1K4O. Click on helix of interest for CSU analysis.
Helix
number
Helix
ID
Chain
ID
Initial
residue
Terminal
residue
Helix class
Helix 1
1
A
14 24Right-handed alpha
Helix 2
2
A
47 49Right-handed 310
Helix 3
3
A
50 61Right-handed alpha
Helix 4
4
A
70 77Right-handed alpha
Helix 5
5
A
110 123Right-handed alpha
Helix 6
6
A
127 129Right-handed 310
Helix 7
7
A
145 150Right-handed alpha
Helix 8
8
A
152 164Right-handed alpha
Helix 9
9
A
195 206Right-handed alpha
Helix 10
10
A
213 225Right-handed alpha
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There are 4 sheets in PDB entry 1K4O. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 4 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
170 174first strand
Strand 2
A
40 45anti-parallel
Strand 3
A
28 31anti-parallel
Strand 4
A
209 212parallel
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There are 3 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
66 69first strand
Strand 2
A
131 141parallel
Strand 3
A
98 100anti-parallel
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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
A
176 177first strand
Strand 2
A
192 193anti-parallel
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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
A
180 181first strand
Strand 2
A
188 189anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il