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


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 4PAI entry

There is 1 chain in PDB entry 4PAI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 27GLN 334
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 18 helices in PDB entry 4PAI. 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 56Right-handed alpha
Helix 2
AA2
A
72 83Right-handed alpha
Helix 3
AA3
A
92 99Right-handed alpha
Helix 4
AA4
A
100 107Right-handed 310
Helix 5
AA5
A
113 123Right-handed alpha
Helix 6
AA6
A
123 130Right-handed alpha
Helix 7
AA7
A
132 138Right-handed alpha
Helix 8
AA8
A
160 165Right-handed 310
Helix 9
AA9
A
174 185Right-handed alpha
Helix 10
AB1
A
192 194Right-handed 310
Helix 11
AB2
A
195 202Right-handed alpha
Helix 12
AB3
A
211 218Right-handed alpha
Helix 13
AB4
A
219 224Right-handed 310
Helix 14
AB5
A
243 248Right-handed alpha
Helix 15
AB6
A
250 283Right-handed alpha
Helix 16
AB7
A
294 299Right-handed 310
Helix 17
AB8
A
300 310Right-handed alpha
Helix 18
AB9
A
315 329Right-handed alpha
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There are 2 sheets in PDB entry 4PAI. Click on sheet of interest to get list of strands forming it: AA1, AA2,

There are 5 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
61 65first strand
Strand 2
A
28 32parallel
Strand 3
A
87 91parallel
Strand 4
A
236 242anti-parallel
Strand 5
A
139 146anti-parallel
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There are 6 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
187 190first strand
Strand 2
A
168 171parallel
Strand 3
A
207 210parallel
Strand 4
A
151 154anti-parallel
Strand 5
A
226 229anti-parallel
Strand 6
A
289 292parallel
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