Analysis of interatomic Contacts of Structural Units in PDB entry:
3N1U


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 3N1U entry

There is 1 chain in PDB entry 3N1U (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 2GLN 183
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 10 helices in PDB entry 3N1U. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 18Right-handed alpha
Helix 2
2
A
48 61Right-handed alpha
Helix 3
3
A
73 84Right-handed alpha
Helix 4
4
A
95 107Right-handed alpha
Helix 5
5
A
109 111Right-handed 310
Helix 6
6
A
119 121Right-handed 310
Helix 7
7
A
122 129Right-handed alpha
Helix 8
8
A
139 146Right-handed alpha
Helix 9
9
A
157 170Right-handed alpha
Helix 10
10
A
172 182Right-handed alpha
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There are 2 sheets in PDB entry 3N1U. Click on sheet of interest to get list of strands forming it: A, B,

There are 6 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
87 89first strand
Strand 2
A
64 68parallel
Strand 3
A
21 24parallel
Strand 4
A
113 117parallel
Strand 5
A
131 134parallel
Strand 6
A
148 149parallel
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There are 2 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
36 37first strand
Strand 2
A
43 44anti-parallel
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