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


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 1NRQ entry

There are 5 chains in PDB entry 1NRQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
L
 ASP 1GLU 14
H
 ILE 16ILE 238
R
 PRO 40PRO 40
R
 SER 42SER 42
R
 LEU 44PHE 55
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 1NRQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
H1
H
55 60Right-handed alpha
Helix 2
H2
H
164 171Right-handed alpha
Helix 3
H3
H
125 129Right-handed alpha
Helix 4
H4
H
231 238Right-handed alpha
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There are 2 sheets in PDB entry 1NRQ. Click on sheet of interest to get list of strands forming it: B1, B2,

There are 7 strands in B1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
28 35first strand
Strand 2
H
42 49anti-parallel
Strand 3
H
50 56anti-parallel
Strand 4
H
101 110anti-parallel
Strand 5
H
81 92anti-parallel
Strand 6
H
63 69anti-parallel
Strand 7
H
28 35anti-parallel
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There are 7 strands in B2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
133 141first strand
Strand 2
H
155 162anti-parallel
Strand 3
H
179 186anti-parallel
Strand 4
H
223 229anti-parallel
Strand 5
H
212 217anti-parallel
Strand 6
H
193 201anti-parallel
Strand 7
H
133 141anti-parallel
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