Analysis of interatomic Contacts of Structural Units in PDB entry:
3IY4


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 3IY4 entry

There are 2 chains in PDB entry 3IY4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LEU 1ALA 111
B
 SER 112SER 222
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 3 helices in PDB entry 3IY4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
81 85Right-handed 310
Helix 2
2
B
167 170Right-handed 310
Helix 3
3
B
192 196Right-handed 310
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There are 7 sheets in PDB entry 3IY4. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G,

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
2 5first strand
Strand 2
A
17 23anti-parallel
Strand 3
A
72 77anti-parallel
Strand 4
A
64 69anti-parallel
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There are 6 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
8 12first strand
Strand 2
A
104 109parallel
Strand 3
A
86 92anti-parallel
Strand 4
A
35 40anti-parallel
Strand 5
A
47 51anti-parallel
Strand 6
A
55 56anti-parallel
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There are 4 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
8 12first strand
Strand 2
A
104 109parallel
Strand 3
A
86 92anti-parallel
Strand 4
A
99 100anti-parallel
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There are 2 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
28 29first strand
Strand 2
A
32 33anti-parallel
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There are 6 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
115 117first strand
Strand 2
B
218 221parallel
Strand 3
B
197 205anti-parallel
Strand 4
B
139 144anti-parallel
Strand 5
B
150 157anti-parallel
Strand 6
B
162 165anti-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
115 117first strand
Strand 2
B
218 221parallel
Strand 3
B
197 205anti-parallel
Strand 4
B
209 211anti-parallel
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There are 3 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
122 128first strand
Strand 2
B
183 189anti-parallel
Strand 3
B
173 178anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il