Analysis of interatomic Contacts of Structural Units in PDB entry:
1XA9


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 1XA9 entry

There are 2 chains in PDB entry 1XA9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 4PHE 65
A
 ASP 69LEU 230
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 2 helices in PDB entry 1XA9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
57 65Right-handed 310
Helix 2
2
A
83 87Right-handed 310
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There is 1 sheet ( A) in PDB entry 1XA9.

There are 13 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
142 145first strand
Strand 2
A
160 171anti-parallel
Strand 3
A
176 187anti-parallel
Strand 4
A
91 99anti-parallel
Strand 5
A
104 114anti-parallel
Strand 6
A
119 129anti-parallel
Strand 7
A
12 22parallel
Strand 8
A
25 35anti-parallel
Strand 9
A
41 50anti-parallel
Strand 10
A
216 226anti-parallel
Strand 11
A
198 208anti-parallel
Strand 12
A
148 154anti-parallel
Strand 13
A
160 171anti-parallel
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