Analysis of interatomic Contacts of Structural Units in PDB entry:
4PI9


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 4PI9 entry

There is 1 chain in PDB entry 4PI9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
ALA 33LYS 258
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 14 helices in PDB entry 4PI9. Click on helix of interest for CSU analysis.
Helix
number
Helix
ID
Chain
ID
Initial
residue
Terminal
residue
Helix class
Helix 1
AA1
A
40 49Right-handed alpha
Helix 2
AA2
A
67 76Right-handed alpha
Helix 3
AA3
A
83 87Right-handed 310
Helix 4
AA4
A
96 105Right-handed alpha
Helix 5
AA5
A
107 111Right-handed 310
Helix 6
AA6
A
113 125Right-handed alpha
Helix 7
AA7
A
127 140Right-handed alpha
Helix 8
AA8
A
145 149Right-handed 310
Helix 9
AA9
A
167 174Right-handed alpha
Helix 10
AB1
A
176 181Right-handed alpha
Helix 11
AB2
A
185 201Right-handed alpha
Helix 12
AB3
A
202 205Right-handed 310
Helix 13
AB4
A
208 215Right-handed alpha
Helix 14
AB5
A
229 246Right-handed alpha
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There are 2 sheets in PDB entry 4PI9. Click on sheet of interest to get list of strands forming it: AA1, AA2,

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
56 59first strand
Strand 2
A
62 65anti-parallel
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There are 2 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
A
150 152first strand
Strand 2
A
155 157anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il