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


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 2PSA entry

There are 2 chains in PDB entry 2PSA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 16PRO 246
I
 SER 27GLY 32
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 3 helices in PDB entry 2PSA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
56 58Right-handed 310
Helix 2
2
A
165 171Right-handed alpha
Helix 3
3
A
231 244Right-handed 310
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There are 2 sheets in PDB entry 2PSA. Click on sheet of interest to get list of strands forming it: A, B,

There are 7 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
81 84first strand
Strand 2
A
64 67anti-parallel
Strand 3
A
30 35anti-parallel
Strand 4
A
39 48anti-parallel
Strand 5
A
51 54anti-parallel
Strand 6
A
104 108anti-parallel
Strand 7
A
85 90anti-parallel
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There are 7 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
156 161first strand
Strand 2
A
135 140anti-parallel
Strand 3
A
198 201anti-parallel
Strand 4
A
208 215anti-parallel
Strand 5
A
226 230anti-parallel
Strand 6
A
180 184anti-parallel
Strand 7
A
161 163anti-parallel
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