Analysis of interatomic Contacts of Structural Units in PDB entry:
2XL9


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 2XL9 entry

There are 2 chains in PDB entry 2XL9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 34SER 268
B
 GLU 34SER 268
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 11 helices in PDB entry 2XL9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
180 189Right-handed alpha
Helix 2
2
A
202 212Right-handed alpha
Helix 3
3
A
213 216Right-handed 310
Helix 4
4
A
236 241Right-handed alpha
Helix 5
5
A
244 261Right-handed alpha
Helix 6
6
B
180 189Right-handed alpha
Helix 7
7
B
202 212Right-handed alpha
Helix 8
8
B
213 216Right-handed 310
Helix 9
9
B
223 226Right-handed 310
Helix 10
10
B
236 242Right-handed alpha
Helix 11
11
B
244 260Right-handed alpha
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There are 10 sheets in PDB entry 2XL9. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, BA, BB, BC, BD, BE,

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
50 54first strand
Strand 2
A
58 67anti-parallel
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There are 6 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
140 143first strand
Strand 2
A
93 98anti-parallel
Strand 3
A
159 167anti-parallel
Strand 4
A
70 79anti-parallel
Strand 5
A
58 67anti-parallel
Strand 6
A
266 267parallel
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There are 6 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
140 143first strand
Strand 2
A
93 98anti-parallel
Strand 3
A
159 167anti-parallel
Strand 4
A
70 79anti-parallel
Strand 5
A
58 67anti-parallel
Strand 6
A
50 54anti-parallel
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There are 2 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
266 267first strand
Strand 2
A
58 67parallel
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There are 6 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
218 220first strand
Strand 2
A
88 90anti-parallel
Strand 3
A
147 152anti-parallel
Strand 4
A
105 112anti-parallel
Strand 5
A
128 134anti-parallel
Strand 6
A
228 232parallel
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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
50 54first strand
Strand 2
B
58 66anti-parallel
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There are 6 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
140 143first strand
Strand 2
B
93 98anti-parallel
Strand 3
B
159 167anti-parallel
Strand 4
B
71 79anti-parallel
Strand 5
B
58 66anti-parallel
Strand 6
B
266 267parallel
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There are 6 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
140 143first strand
Strand 2
B
93 98anti-parallel
Strand 3
B
159 167anti-parallel
Strand 4
B
71 79anti-parallel
Strand 5
B
58 66anti-parallel
Strand 6
B
50 54anti-parallel
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There are 2 strands in BD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
266 267first strand
Strand 2
B
58 66parallel
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There are 6 strands in BE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
218 220first strand
Strand 2
B
88 90anti-parallel
Strand 3
B
147 152anti-parallel
Strand 4
B
105 112anti-parallel
Strand 5
B
128 134anti-parallel
Strand 6
B
228 232parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il