Analysis of interatomic Contacts of Structural Units in PDB entry:
4IUT


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 4IUT entry

There are 4 chains in PDB entry 4IUT (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 125GLU 257
B
 SER 124GLU 257
C
 THR 3ARG 8
C
 SER 10SER 10
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 6 helices in PDB entry 4IUT. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
175 178Right-handed alpha
Helix 2
2
A
187 194Right-handed 310
Helix 3
3
A
248 250Right-handed 310
Helix 4
4
B
175 178Right-handed alpha
Helix 5
5
B
187 194Right-handed 310
Helix 6
6
B
248 250Right-handed 310
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There are 4 sheets in PDB entry 4IUT. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 5 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
171 174first strand
Strand 2
A
156 162anti-parallel
Strand 3
A
139 150anti-parallel
Strand 4
A
129 132anti-parallel
Strand 5
A
179 181anti-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
184 185first strand
Strand 2
A
252 254anti-parallel
Strand 3
A
199 205anti-parallel
Strand 4
A
210 221anti-parallel
Strand 5
A
233 238anti-parallel
Strand 6
A
244 247anti-parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
171 174first strand
Strand 2
B
156 162anti-parallel
Strand 3
B
139 150anti-parallel
Strand 4
B
129 132anti-parallel
Strand 5
B
179 181anti-parallel
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There are 6 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
184 185first strand
Strand 2
B
252 254anti-parallel
Strand 3
B
199 205anti-parallel
Strand 4
B
210 221anti-parallel
Strand 5
B
233 238anti-parallel
Strand 6
B
244 247anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il