Analysis of interatomic Contacts of Structural Units in PDB entry:
2XE3


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 2XE3 entry

There are 2 chains in PDB entry 2XE3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1PHE 343
B
 ALA 1PHE 343
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 12 helices in PDB entry 2XE3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
26 30Right-handed 310
Helix 2
2
A
97 102Right-handed alpha
Helix 3
3
A
134 139Right-handed alpha
Helix 4
4
A
168 172Right-handed 310
Helix 5
5
A
201 205Right-handed 310
Helix 6
6
A
321 328Right-handed alpha
Helix 7
7
B
26 30Right-handed 310
Helix 8
8
B
97 102Right-handed alpha
Helix 9
9
B
134 139Right-handed alpha
Helix 10
10
B
168 172Right-handed 310
Helix 11
11
B
201 205Right-handed 310
Helix 12
12
B
321 328Right-handed alpha
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There are 4 sheets in PDB entry 2XE3. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 19 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
2 6first strand
Strand 2
A
31 32first strand
Strand 3
A
35 45first strand
Strand 4
A
50 61anti-parallel
Strand 5
A
71 82anti-parallel
Strand 6
A
86 94anti-parallel
Strand 7
A
124 133anti-parallel
Strand 8
A
143 150anti-parallel
Strand 9
A
176 185anti-parallel
Strand 10
A
188 198anti-parallel
Strand 11
A
214 226anti-parallel
Strand 12
A
229 239anti-parallel
Strand 13
A
252 262anti-parallel
Strand 14
A
268 280anti-parallel
Strand 15
A
289 302anti-parallel
Strand 16
A
307 316anti-parallel
Strand 17
A
334 343anti-parallel
Strand 18
A
9 24anti-parallel
Strand 19
A
31 32anti-parallel
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There are 2 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
243 244first strand
Strand 2
A
248 249anti-parallel
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There are 19 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
2 6first strand
Strand 2
B
31 32first strand
Strand 3
B
35 45first strand
Strand 4
B
50 61anti-parallel
Strand 5
B
71 82anti-parallel
Strand 6
B
86 94anti-parallel
Strand 7
B
124 133anti-parallel
Strand 8
B
143 150anti-parallel
Strand 9
B
176 185anti-parallel
Strand 10
B
188 198anti-parallel
Strand 11
B
214 226anti-parallel
Strand 12
B
229 239anti-parallel
Strand 13
B
252 262anti-parallel
Strand 14
B
268 280anti-parallel
Strand 15
B
289 302anti-parallel
Strand 16
B
307 316anti-parallel
Strand 17
B
334 343anti-parallel
Strand 18
B
9 24anti-parallel
Strand 19
B
31 32anti-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
B
243 244first strand
Strand 2
B
248 249anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il