Analysis of interatomic Contacts of Structural Units in PDB entry:
1XT9


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 1XT9 entry

There are 2 chains in PDB entry 1XT9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 2LYS 211
B
 MET 1GLY 76
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 1XT9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
15 20Right-handed alpha
Helix 2
2
A
29 42Right-handed alpha
Helix 3
3
A
44 48Right-handed 310
Helix 4
4
A
55 65Right-handed alpha
Helix 5
5
A
70 76Right-handed alpha
Helix 6
6
A
77 83Right-handed 310
Helix 7
7
A
125 135Right-handed alpha
Helix 8
8
A
162 180Right-handed alpha
Helix 9
9
A
185 190Right-handed alpha
Helix 10
10
A
191 211Right-handed alpha
Helix 11
11
B
22 35Right-handed alpha
Helix 12
12
B
37 39Right-handed 310
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There are 4 sheets in PDB entry 1XT9. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 2 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
4 8first strand
Strand 2
A
11 14anti-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
27 28first strand
Strand 2
B
74 75anti-parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
51 54first strand
Strand 2
A
85 91parallel
Strand 3
A
103 109anti-parallel
Strand 4
A
114 118anti-parallel
Strand 5
A
148 151parallel
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There are 5 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
12 16first strand
Strand 2
B
2 7anti-parallel
Strand 3
B
66 71parallel
Strand 4
B
41 45anti-parallel
Strand 5
B
48 49anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il