Analysis of interatomic Contacts of Structural Units in PDB entry:
3A3U


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 3A3U entry

There is 1 chain in PDB entry 3A3U (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 3VAL 272
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 15 helices in PDB entry 3A3U. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
11 23Right-handed alpha
Helix 2
2
A
38 48Right-handed alpha
Helix 3
3
A
58 62Right-handed alpha
Helix 4
4
A
106 116Right-handed alpha
Helix 5
5
A
125 127Right-handed 310
Helix 6
6
A
128 135Right-handed alpha
Helix 7
7
A
146 151Right-handed alpha
Helix 8
8
A
152 155Right-handed 310
Helix 9
9
A
162 171Right-handed alpha
Helix 10
10
A
186 207Right-handed alpha
Helix 11
11
A
208 210Right-handed 310
Helix 12
12
A
211 219Right-handed alpha
Helix 13
13
A
223 235Right-handed alpha
Helix 14
14
A
236 241Right-handed alpha
Helix 15
15
A
242 260Right-handed alpha
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There are 3 sheets in PDB entry 3A3U. Click on sheet of interest to get list of strands forming it: A, B, C,

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
32 36first strand
Strand 2
A
4 8parallel
Strand 3
A
53 57parallel
Strand 4
A
174 182anti-parallel
Strand 5
A
68 70anti-parallel
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There are 5 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
32 36first strand
Strand 2
A
4 8parallel
Strand 3
A
53 57parallel
Strand 4
A
174 182anti-parallel
Strand 5
A
76 78anti-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
120 123first strand
Strand 2
A
98 101parallel
Strand 3
A
140 143parallel
Strand 4
A
84 87anti-parallel
Strand 5
A
157 161anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il