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


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 1IQH entry

There are 2 chains in PDB entry 1IQH (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 16ARG 245
L
 LYS 87LEU 137
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 5 helices in PDB entry 1IQH. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
124 131Right-handed alpha
Helix 2
2
A
164 172Right-handed alpha
Helix 3
3
A
230 235Right-handed alpha
Helix 4
4
A
234 242Right-handed alpha
Helix 5
5
L
92 96Right-handed 310
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There are 4 sheets in PDB entry 1IQH. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 7 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
20 21first strand
Strand 2
A
156 161anti-parallel
Strand 3
A
135 140anti-parallel
Strand 4
A
198 202anti-parallel
Strand 5
A
207 216anti-parallel
Strand 6
A
226 229anti-parallel
Strand 7
A
181 183anti-parallel
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There are 7 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
30 35first strand
Strand 2
A
40 46anti-parallel
Strand 3
A
51 54anti-parallel
Strand 4
A
104 108anti-parallel
Strand 5
A
82 90anti-parallel
Strand 6
A
64 68anti-parallel
Strand 7
A
30 35anti-parallel
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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
99 101first strand
Strand 2
L
108 110anti-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
L
115 117first strand
Strand 2
L
124 126anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il