Analysis of interatomic Contacts of Structural Units in PDB entry:
1Y4O


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 1Y4O entry

There are 2 chains in PDB entry 1Y4O (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 1GLU 104
B
 GLY 201GLU 304
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 4 helices in PDB entry 1Y4O. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
8 22Right-handed alpha
Helix 2
2
A
43 69Right-handed alpha
Helix 3
3
B
207 222Right-handed alpha
Helix 4
4
B
243 268Right-handed alpha
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There is 1 sheet ( A) in PDB entry 1Y4O.

There are 10 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
36 40first strand
Strand 2
A
25 32anti-parallel
Strand 3
A
94 100anti-parallel
Strand 4
A
85 90anti-parallel
Strand 5
A
74 81anti-parallel
Strand 6
B
274 281anti-parallel
Strand 7
B
285 290anti-parallel
Strand 8
B
294 300anti-parallel
Strand 9
B
225 232anti-parallel
Strand 10
B
237 240anti-parallel
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