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


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 3PRA entry

There are 2 chains in PDB entry 3PRA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ASP 150
B
 MET 1ASP 150
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 10 helices in PDB entry 3PRA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
25 32Right-handed alpha
Helix 2
2
A
54 63Right-handed alpha
Helix 3
3
A
75 79Right-handed 310
Helix 4
4
A
84 86Right-handed 310
Helix 5
5
A
93 98Right-handed alpha
Helix 6
6
B
25 32Right-handed alpha
Helix 7
7
B
54 64Right-handed alpha
Helix 8
8
B
75 79Right-handed 310
Helix 9
9
B
84 86Right-handed 310
Helix 10
10
B
93 98Right-handed alpha
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There are 6 sheets in PDB entry 3PRA. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 5 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
19 20first strand
Strand 2
A
15 16anti-parallel
Strand 3
A
139 148anti-parallel
Strand 4
A
7 12anti-parallel
Strand 5
A
44 47anti-parallel
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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
19 20first strand
Strand 2
A
15 16anti-parallel
Strand 3
A
139 148anti-parallel
Strand 4
A
69 74anti-parallel
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There are 4 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
88 92first strand
Strand 2
A
125 129anti-parallel
Strand 3
A
114 122anti-parallel
Strand 4
A
108 111anti-parallel
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There are 3 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
19 23first strand
Strand 2
B
7 16anti-parallel
Strand 3
B
44 47anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
19 23first strand
Strand 2
B
7 16anti-parallel
Strand 3
B
139 148anti-parallel
Strand 4
B
69 74anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
88 92first strand
Strand 2
B
125 129anti-parallel
Strand 3
B
114 122anti-parallel
Strand 4
B
108 111anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il