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


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 3YAS entry

There is 1 chain in PDB entry 3YAS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2ASN 257
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 3YAS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
16 19Right-handed 310
Helix 2
2
A
22 29Right-handed alpha
Helix 3
3
A
48 50Right-handed 310
Helix 4
4
A
54 57Right-handed alpha
Helix 5
5
A
59 67Right-handed alpha
Helix 6
6
A
80 96Right-handed 310
Helix 7
7
A
116 124Right-handed alpha
Helix 8
8
A
150 156Right-handed alpha
Helix 9
9
A
163 172Right-handed alpha
Helix 10
10
A
180 185Right-handed alpha
Helix 11
11
A
194 196Right-handed 310
Helix 12
12
A
212 221Right-handed alpha
Helix 13
13
A
237 240Right-handed alpha
Helix 14
14
A
242 255Right-handed alpha
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There are 2 sheets in PDB entry 3YAS. Click on sheet of interest to get list of strands forming it: A, B,

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
32 36first strand
Strand 2
A
5 9parallel
Strand 3
A
74 79parallel
Strand 4
A
97 103parallel
Strand 5
A
199 203parallel
Strand 6
A
226 229parallel
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There are 2 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
132 138first strand
Strand 2
A
141 147anti-parallel
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