Analysis of interatomic Contacts of Structural Units in PDB entry:
2X1X


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 2X1X entry

There are 2 chains in PDB entry 2X1X (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
E
HIS 113LEU 215
R
ARG 122GLU 326
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 2X1X. Click on helix of interest for CSU analysis.
Helix
number
Helix
ID
Chain
ID
Initial
residue
Terminal
residue
Helix class
Helix 1
AA1
E
113 129Right-handed alpha
Helix 2
AA2
E
140 144Right-handed alpha
Helix 3
AA3
R
190 192Right-handed 310
Helix 4
AA4
R
298 302Right-handed 310
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There are 7 sheets in PDB entry 2X1X. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7,

There are 2 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
E
132 139first strand
Strand 2
E
156 163anti-parallel
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There are 3 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
E
150 153first strand
Strand 2
E
171 189anti-parallel
Strand 3
E
197 213anti-parallel
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There are 5 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
R
133 138first strand
Strand 2
R
213 218parallel
Strand 3
R
197 202anti-parallel
Strand 4
R
159 164anti-parallel
Strand 5
R
168 170anti-parallel
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There are 4 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
R
133 138first strand
Strand 2
R
213 218parallel
Strand 3
R
197 202anti-parallel
Strand 4
R
209 210anti-parallel
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There are 3 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
R
145 148first strand
Strand 2
R
184 188anti-parallel
Strand 3
R
178 180anti-parallel
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There are 4 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
R
223 229first strand
Strand 2
R
242 250anti-parallel
Strand 3
R
286 294anti-parallel
Strand 4
R
270 277anti-parallel
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There are 4 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
R
234 237first strand
Strand 2
R
314 325parallel
Strand 3
R
303 311anti-parallel
Strand 4
R
257 261anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il