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


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 1IYN entry

There is 1 chain in PDB entry 1IYN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1GLY 275
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 16 helices in PDB entry 1IYN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
3 23Right-handed alpha
Helix 2
2
A
24 37Right-handed alpha
Helix 3
3
A
54 57Right-handed 310
Helix 4
4
A
58 63Right-handed alpha
Helix 5
5
A
64 68Right-handed 310
Helix 6
6
A
69 69Right-handed 310
Helix 7
7
A
70 84Right-handed alpha
Helix 8
8
A
88 104Right-handed alpha
Helix 9
9
A
120 124Right-handed 310
Helix 10
10
A
137 150Right-handed alpha
Helix 11
11
A
152 161Right-handed alpha
Helix 12
12
A
162 165Right-handed 310
Helix 13
13
A
204 213Right-handed alpha
Helix 14
14
A
221 230Right-handed alpha
Helix 15
15
A
232 243Right-handed alpha
Helix 16
16
A
243 261Right-handed alpha
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There is 1 sheet ( A) in PDB entry 1IYN.

There are 2 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
167 168first strand
Strand 2
A
193 194anti-parallel
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