Analysis of interatomic Contacts of Structural Units in PDB entry:
2XE2


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 2XE2 entry

There are 3 chains in PDB entry 2XE2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1PHE 343
B
 ALA 1PHE 343
C
 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 24 helices in PDB entry 2XE2. 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
103 105Right-handed 310
Helix 4
4
A
119 122Right-handed 310
Helix 5
5
A
134 139Right-handed alpha
Helix 6
6
A
168 172Right-handed 310
Helix 7
7
A
200 205Right-handed alpha
Helix 8
8
A
321 328Right-handed alpha
Helix 9
9
B
26 30Right-handed 310
Helix 10
10
B
97 102Right-handed alpha
Helix 11
11
B
103 105Right-handed 310
Helix 12
12
B
119 122Right-handed 310
Helix 13
13
B
134 139Right-handed alpha
Helix 14
14
B
168 172Right-handed 310
Helix 15
15
B
200 205Right-handed alpha
Helix 16
16
B
321 328Right-handed alpha
Helix 17
17
C
26 30Right-handed 310
Helix 18
18
C
97 102Right-handed alpha
Helix 19
19
C
103 105Right-handed 310
Helix 20
20
C
119 122Right-handed 310
Helix 21
21
C
134 139Right-handed alpha
Helix 22
22
C
168 172Right-handed 310
Helix 23
23
C
200 205Right-handed alpha
Helix 24
24
C
321 328Right-handed alpha
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There are 9 sheets in PDB entry 2XE2. Click on sheet of interest to get list of strands forming it: AA, AB, AC, BA, BB, BC, CA, CB, CC,

There are 2 strands in AA 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
9 23anti-parallel
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There are 2 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
31 32first strand
Strand 2
A
9 23parallel
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There are 2 strands in AC 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 2 strands in BA 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
9 23anti-parallel
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There are 2 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
31 32first strand
Strand 2
B
9 23parallel
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There are 2 strands in BC 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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There are 2 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
2 6first strand
Strand 2
C
9 23anti-parallel
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There are 2 strands in CB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
31 32first strand
Strand 2
C
9 23parallel
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There are 2 strands in CC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
243 244first strand
Strand 2
C
248 249anti-parallel
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