Analysis of interatomic Contacts of Structural Units in PDB entry:
2XT2


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 2XT2 entry

There are 2 chains in PDB entry 2XT2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 3SER 199
B
 LEU 6SER 199
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 4 helices in PDB entry 2XT2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
86 89Right-handed 310
Helix 2
2
A
185 194Right-handed 310
Helix 3
3
B
86 89Right-handed 310
Helix 4
4
B
185 195Right-handed 310
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There are 8 sheets in PDB entry 2XT2. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, BA, BB, BC,

There are 6 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
10 12first strand
Strand 2
A
30 32parallel
Strand 3
A
50 57parallel
Strand 4
A
70 77parallel
Strand 5
A
100 103parallel
Strand 6
A
121 123parallel
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There are 5 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
10 12first strand
Strand 2
A
30 32parallel
Strand 3
A
50 57parallel
Strand 4
A
35 37anti-parallel
Strand 5
A
15 17parallel
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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
25 27first strand
Strand 2
A
45 47parallel
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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
181 183first strand
Strand 2
B
197 199parallel
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There are 2 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
197 199first strand
Strand 2
B
181 183parallel
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There are 6 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
10 12first strand
Strand 2
B
30 32parallel
Strand 3
B
50 57parallel
Strand 4
B
70 77parallel
Strand 5
B
100 103parallel
Strand 6
B
121 123parallel
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There are 5 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
10 12first strand
Strand 2
B
30 32parallel
Strand 3
B
50 57parallel
Strand 4
B
35 37anti-parallel
Strand 5
B
15 17anti-parallel
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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
25 27first strand
Strand 2
B
45 47parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il