Analysis of interatomic Contacts of Structural Units in PDB entry:
3SRX


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 3SRX entry

There are 2 chains in PDB entry 3SRX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 34ARG 270
B
 GLY 42ARG 270
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 13 helices in PDB entry 3SRX. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
94 109Right-handed alpha
Helix 2
2
A
122 127Right-handed alpha
Helix 3
3
A
128 135Right-handed alpha
Helix 4
4
A
143 153Right-handed alpha
Helix 5
5
A
228 240Right-handed alpha
Helix 6
6
A
256 268Right-handed alpha
Helix 7
7
B
94 109Right-handed alpha
Helix 8
8
B
122 127Right-handed alpha
Helix 9
9
B
128 134Right-handed alpha
Helix 10
10
B
143 153Right-handed alpha
Helix 11
11
B
170 174Right-handed 310
Helix 12
12
B
228 240Right-handed alpha
Helix 13
13
B
256 270Right-handed alpha
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There are 4 sheets in PDB entry 3SRX. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 8 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
44 46first strand
Strand 2
A
49 55anti-parallel
Strand 3
A
58 67anti-parallel
Strand 4
A
71 82anti-parallel
Strand 5
A
85 89anti-parallel
Strand 6
A
113 117parallel
Strand 7
A
138 142parallel
Strand 8
A
159 161parallel
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There are 4 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
180 183first strand
Strand 2
A
195 198anti-parallel
Strand 3
A
203 207anti-parallel
Strand 4
A
245 248parallel
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There are 8 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
43 46first strand
Strand 2
B
49 55anti-parallel
Strand 3
B
58 67anti-parallel
Strand 4
B
71 82anti-parallel
Strand 5
B
85 89anti-parallel
Strand 6
B
113 118parallel
Strand 7
B
138 142parallel
Strand 8
B
159 161parallel
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There are 4 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
180 183first strand
Strand 2
B
195 198anti-parallel
Strand 3
B
203 207anti-parallel
Strand 4
B
245 248parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il