Analysis of interatomic Contacts of Structural Units in PDB entry:
4XSS


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 4XSS entry

There are 3 chains in PDB entry 4XSS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
B
 GLU 3PRO 63
E
 HIS 1PRO 309
F
 GLU 693ARG 704
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 4XSS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
B
6 19Right-handed alpha
Helix 2
AA2
B
20 22Right-handed 310
Helix 3
AA3
B
42 48Right-handed alpha
Helix 4
AA4
B
53 58Right-handed alpha
Helix 5
AA5
B
59 61Right-handed 310
Helix 6
AA6
E
17 24Right-handed 310
Helix 7
AA7
E
42 47Right-handed 310
Helix 8
AA8
E
132 136Right-handed 310
Helix 9
AA9
E
150 152Right-handed 310
Helix 10
AB1
E
193 200Right-handed 310
Helix 11
AB2
E
256 264Right-handed alpha
Helix 12
AB3
F
694 701Right-handed alpha
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There are 7 sheets in PDB entry 4XSS. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7,

There are 5 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
6 14first strand
Strand 2
E
26 38parallel
Strand 3
E
56 57parallel
Strand 4
E
81 82parallel
Strand 5
E
111 112parallel
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There are 6 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
6 14first strand
Strand 2
E
26 38parallel
Strand 3
E
61 66parallel
Strand 4
E
91 96parallel
Strand 5
E
116 122parallel
Strand 6
E
144 148parallel
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There are 2 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
171 174first strand
Strand 2
E
177 180anti-parallel
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There are 2 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
182 184first strand
Strand 2
E
187 188anti-parallel
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There are 2 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
231 232first strand
Strand 2
E
237 238anti-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
E
252 255first strand
Strand 2
E
245 248anti-parallel
Strand 3
E
283 285parallel
Strand 4
E
278 280anti-parallel
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There are 2 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
292 294first strand
Strand 2
E
301 303anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il