Analysis of interatomic Contacts of Structural Units in PDB entry:
4XUL


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 4XUL entry

There is 1 chain in PDB entry 4XUL (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS 6SER 377
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 20 helices in PDB entry 4XUL. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
22 32Right-handed alpha
Helix 2
AA2
A
33 38Right-handed alpha
Helix 3
AA3
A
42 44Right-handed 310
Helix 4
AA4
A
50 54Right-handed alpha
Helix 5
AA5
A
76 91Right-handed alpha
Helix 6
AA6
A
105 108Right-handed 310
Helix 7
AA7
A
113 124Right-handed alpha
Helix 8
AA8
A
125 139Right-handed alpha
Helix 9
AA9
A
142 154Right-handed alpha
Helix 10
AB1
A
154 158Right-handed alpha
Helix 11
AB2
A
163 170Right-handed alpha
Helix 12
AB3
A
182 188Right-handed alpha
Helix 13
AB4
A
218 236Right-handed alpha
Helix 14
AB5
A
242 250Right-handed alpha
Helix 15
AB6
A
253 266Right-handed alpha
Helix 16
AB7
A
268 287Right-handed alpha
Helix 17
AB8
A
291 307Right-handed alpha
Helix 18
AB9
A
315 324Right-handed alpha
Helix 19
AC1
A
328 364Right-handed alpha
Helix 20
AC2
A
367 371Right-handed 310
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There are 2 sheets in PDB entry 4XUL. Click on sheet of interest to get list of strands forming it: AA1, AA2,

There are 6 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
46 49first strand
Strand 2
A
61 67anti-parallel
Strand 3
A
203 212parallel
Strand 4
A
191 200anti-parallel
Strand 5
A
94 103anti-parallel
Strand 6
A
159 162anti-parallel
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There are 2 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
171 174first strand
Strand 2
A
178 181anti-parallel
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