Analysis of interatomic Contacts of Structural Units in PDB entry:
2FHN


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 2FHN entry

There are 2 chains in PDB entry 2FHN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
X
 CYS 4LEU 121
Y
 CYS 204LEU 321
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 2FHN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
X
40 44Right-handed 310
Helix 2
2
X
103 109Right-handed 310
Helix 3
3
Y
240 244Right-handed 310
Helix 4
4
Y
303 309Right-handed 310
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There are 2 sheets in PDB entry 2FHN. Click on sheet of interest to get list of strands forming it: A, B,

There are 9 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
X
8 12first strand
Strand 2
X
17 20anti-parallel
Strand 3
X
28 34anti-parallel
Strand 4
X
47 53anti-parallel
Strand 5
X
61 67anti-parallel
Strand 6
X
74 83anti-parallel
Strand 7
X
89 98anti-parallel
Strand 8
X
111 120anti-parallel
Strand 9
X
8 12anti-parallel
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There are 9 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
Y
208 212first strand
Strand 2
Y
217 220anti-parallel
Strand 3
Y
228 234anti-parallel
Strand 4
Y
247 253anti-parallel
Strand 5
Y
261 267anti-parallel
Strand 6
Y
274 283anti-parallel
Strand 7
Y
289 298anti-parallel
Strand 8
Y
311 320anti-parallel
Strand 9
Y
208 212anti-parallel
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