Analysis of interatomic Contacts of Structural Units in PDB entry:
21FN


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 21FN entry

There is 1 chain in PDB entry 21FN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 3PRO 264
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 11 helices in PDB entry 21FN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
17 30Right-handed alpha
Helix 2
AA2
A
40 52Right-handed alpha
Helix 3
AA3
A
64 80Right-handed alpha
Helix 4
AA4
A
102 118Right-handed alpha
Helix 5
AA5
A
118 135Right-handed alpha
Helix 6
AA6
A
144 148Right-handed 310
Helix 7
AA7
A
154 176Right-handed alpha
Helix 8
AA8
A
205 209Right-handed 310
Helix 9
AA9
A
211 220Right-handed alpha
Helix 10
AB1
A
227 230Right-handed 310
Helix 11
AB2
A
231 240Right-handed alpha
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There is 1 sheet (AA1) in PDB entry 21FN.

There are 7 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
55 59first strand
Strand 2
A
33 38parallel
Strand 3
A
9 13parallel
Strand 4
A
84 87parallel
Strand 5
A
138 142parallel
Strand 6
A
180 186parallel
Strand 7
A
251 254parallel
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