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


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 3AOS entry

There are 2 chains in PDB entry 3AOS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 4LEU 224
B
 ALA 4ASN 225
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 14 helices in PDB entry 3AOS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
13 29Right-handed alpha
Helix 2
2
A
32 36Right-handed 310
Helix 3
3
A
107 109Right-handed 310
Helix 4
4
A
162 174Right-handed alpha
Helix 5
5
A
184 190Right-handed alpha
Helix 6
6
A
190 215Right-handed alpha
Helix 7
7
A
216 220Right-handed 310
Helix 8
8
B
13 29Right-handed alpha
Helix 9
9
B
69 73Right-handed 310
Helix 10
10
B
107 109Right-handed 310
Helix 11
11
B
162 173Right-handed alpha
Helix 12
12
B
184 190Right-handed alpha
Helix 13
13
B
190 215Right-handed alpha
Helix 14
14
B
216 220Right-handed 310
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There are 9 sheets in PDB entry 3AOS. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I,

There are 4 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
43 52first strand
Strand 2
A
55 68anti-parallel
Strand 3
A
86 105anti-parallel
Strand 4
A
74 81anti-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
43 52first strand
Strand 2
A
55 68anti-parallel
Strand 3
A
86 105anti-parallel
Strand 4
A
110 134anti-parallel
Strand 5
A
148 153anti-parallel
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There are 3 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
148 153first strand
Strand 2
A
110 134anti-parallel
Strand 3
A
140 144anti-parallel
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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
A
74 81first strand
Strand 2
A
86 105anti-parallel
Strand 3
A
110 134anti-parallel
Strand 4
A
158 161anti-parallel
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There are 3 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
158 161first strand
Strand 2
A
110 134anti-parallel
Strand 3
A
140 144anti-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
43 51first strand
Strand 2
B
58 68anti-parallel
Strand 3
B
86 105anti-parallel
Strand 4
B
74 81anti-parallel
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There are 5 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
43 51first strand
Strand 2
B
58 68anti-parallel
Strand 3
B
86 105anti-parallel
Strand 4
B
110 134anti-parallel
Strand 5
B
148 153anti-parallel
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There are 3 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
148 153first strand
Strand 2
B
110 134anti-parallel
Strand 3
B
140 144anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
74 81first strand
Strand 2
B
86 105anti-parallel
Strand 3
B
110 134anti-parallel
Strand 4
B
158 161anti-parallel
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