Analysis of interatomic Contacts of Structural Units in PDB entry:
1XK9


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 1XK9 entry

There are 2 chains in PDB entry 1XK9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 399SER 602
B
 GLU 399SER 602
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 1XK9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
418 432Right-handed alpha
Helix 2
2
A
443 453Right-handed alpha
Helix 3
3
A
474 480Right-handed alpha
Helix 4
4
A
506 509Right-handed 310
Helix 5
5
A
522 532Right-handed alpha
Helix 6
6
A
557 562Right-handed alpha
Helix 7
7
A
583 587Right-handed 310
Helix 8
8
A
588 593Right-handed alpha
Helix 9
9
B
418 432Right-handed alpha
Helix 10
10
B
443 454Right-handed alpha
Helix 11
11
B
474 480Right-handed alpha
Helix 12
12
B
506 509Right-handed 310
Helix 13
13
B
523 532Right-handed alpha
Helix 14
14
B
557 562Right-handed alpha
Helix 15
15
B
583 587Right-handed 310
Helix 16
16
B
588 594Right-handed alpha
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There are 4 sheets in PDB entry 1XK9. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 3 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
434 442first strand
Strand 2
A
497 504anti-parallel
Strand 3
A
565 568anti-parallel
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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
469 472first strand
Strand 2
A
552 556anti-parallel
Strand 3
A
541 545anti-parallel
Strand 4
A
511 513parallel
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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
B
434 442first strand
Strand 2
B
497 504anti-parallel
Strand 3
B
565 568anti-parallel
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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
469 471first strand
Strand 2
B
552 556anti-parallel
Strand 3
B
541 545anti-parallel
Strand 4
B
511 513parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il