Analysis of interatomic Contacts of Structural Units in PDB entry:
1AS3


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 1AS3 entry

There is 1 chain in PDB entry 1AS3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 9PHE 354
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 17 helices in PDB entry 1AS3. 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 17Right-handed alpha
Helix 2
2
A
20 23Right-handed 310
Helix 3
3
A
27 29Right-handed 310
Helix 4
4
A
46 57Right-handed alpha
Helix 5
5
A
63 91Right-handed alpha
Helix 6
6
A
100 113Right-handed alpha
Helix 7
7
A
121 132Right-handed alpha
Helix 8
8
A
134 145Right-handed alpha
Helix 9
9
A
152 163Right-handed alpha
Helix 10
10
A
171 176Right-handed alpha
Helix 11
11
A
227 231Right-handed 310
Helix 12
12
A
242 255Right-handed alpha
Helix 13
13
A
257 261Right-handed 310
Helix 14
14
A
271 280Right-handed alpha
Helix 15
15
A
283 286Right-handed alpha
Helix 16
16
A
296 310Right-handed alpha
Helix 17
17
A
329 350Right-handed alpha
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There is 1 sheet ( A) in PDB entry 1AS3.

There are 6 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
319 323first strand
Strand 2
A
263 269parallel
Strand 3
A
220 226parallel
Strand 4
A
32 40parallel
Strand 5
A
194 200parallel
Strand 6
A
185 191anti-parallel
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