Analysis of interatomic Contacts of Structural Units in PDB entry:
1TTA


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 1TTA entry

There are 2 chains in PDB entry 1TTA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 1GLU 127
B
 GLY 1GLU 127
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 2 helices in PDB entry 1TTA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1HX
A
75 83Right-handed alpha
Helix 2
2HX
B
75 83Right-handed alpha
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There are 5 sheets in PDB entry 1TTA. Click on sheet of interest to get list of strands forming it: INT, X1A, X2A, X1B, X2B,

There are 8 strands in INT sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
53 56first strand
Strand 2
A
11 18anti-parallel
Strand 3
A
103 112parallel
Strand 4
A
115 123anti-parallel
Strand 5
B
115 123anti-parallel
Strand 6
B
103 112anti-parallel
Strand 7
B
11 18parallel
Strand 8
B
53 56anti-parallel
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There are 4 strands in X1A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
40 42first strand
Strand 2
A
28 36anti-parallel
Strand 3
A
66 74anti-parallel
Strand 4
A
90 97anti-parallel
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There are 4 strands in X2A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
45 49first strand
Strand 2
A
28 36anti-parallel
Strand 3
A
66 74anti-parallel
Strand 4
A
90 97anti-parallel
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There are 4 strands in X1B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
40 42first strand
Strand 2
B
28 36anti-parallel
Strand 3
B
66 74anti-parallel
Strand 4
B
90 97anti-parallel
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There are 4 strands in X2B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
45 49first strand
Strand 2
B
28 36anti-parallel
Strand 3
B
66 74anti-parallel
Strand 4
B
90 97anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il