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


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 1XKN entry

There is 1 chain in PDB entry 1XKN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 2HIS 354
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 14 helices in PDB entry 1XKN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
25 29Right-handed 310
Helix 2
2
A
35 51Right-handed alpha
Helix 3
3
A
59 74Right-handed alpha
Helix 4
4
A
79 81Right-handed 310
Helix 5
5
A
94 99Right-handed alpha
Helix 6
6
A
121 126Right-handed alpha
Helix 7
7
A
130 145Right-handed alpha
Helix 8
8
A
156 158Right-handed 310
Helix 9
9
A
172 176Right-handed alpha
Helix 10
10
A
185 198Right-handed alpha
Helix 11
11
A
217 220Right-handed 310
Helix 12
12
A
242 254Right-handed alpha
Helix 13
13
A
304 317Right-handed alpha
Helix 14
14
A
329 334Right-handed 310
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There are 6 sheets in PDB entry 1XKN. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

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
5 7first strand
Strand 2
A
101 107anti-parallel
Strand 3
A
110 119anti-parallel
Strand 4
A
148 154parallel
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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
83 87first strand
Strand 2
A
52 57parallel
Strand 3
A
15 21parallel
Strand 4
A
342 345anti-parallel
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There are 3 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
160 162first strand
Strand 2
A
167 171anti-parallel
Strand 3
A
201 205parallel
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There are 3 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
222 226first strand
Strand 2
A
229 233anti-parallel
Strand 3
A
265 269parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
276 277first strand
Strand 2
A
280 281anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
290 291first strand
Strand 2
A
295 300anti-parallel
Strand 3
A
321 326parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il