Analysis of interatomic Contacts of Structural Units in PDB entry:
25IF


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 25IF entry

There are 2 chains in PDB entry 25IF (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 27CYS 313
B
 HIS 3GLY 76
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 17 helices in PDB entry 25IF. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
39 68Right-handed alpha
Helix 2
AA2
A
75 92Right-handed alpha
Helix 3
AA3
A
92 102Right-handed alpha
Helix 4
AA4
A
108 144Right-handed alpha
Helix 5
AA5
A
145 148Right-handed 310
Helix 6
AA6
A
151 178Right-handed alpha
Helix 7
AA7
A
201 215Right-handed alpha
Helix 8
AA8
A
215 233Right-handed alpha
Helix 9
AA9
A
237 263Right-handed alpha
Helix 10
AB1
A
269 277Right-handed alpha
Helix 11
AB2
A
278 288Right-handed alpha
Helix 12
AB3
A
288 300Right-handed alpha
Helix 13
AB4
A
301 313Right-handed alpha
Helix 14
AB5
B
4 15Right-handed alpha
Helix 15
AB6
B
18 29Right-handed alpha
Helix 16
AB7
B
36 43Right-handed alpha
Helix 17
AB8
B
47 67Right-handed alpha
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There is 1 sheet (AA1) in PDB entry 25IF.

There are 2 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
182 184first strand
Strand 2
A
189 191anti-parallel
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