Analysis of interatomic Contacts of Structural Units in PDB entry:
1PUA


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 1PUA entry


Note, this PDB entry contains modified residue(s) PHOSPHOSERINE (SEP) . This residue is treated as heterogroup (ligand) both in the PDB entry and in LPC/CSU analysis.

There are 3 chains in PDB entry 1PUA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LEU 49ARG 210
B
 GLN 305LYS 309
B
 THR 311LYS 323
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 6 helices in PDB entry 1PUA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
59 77Right-handed alpha
Helix 2
2
A
81 90Right-handed alpha
Helix 3
3
A
130 133Right-handed 310
Helix 4
4
A
136 152Right-handed alpha
Helix 5
5
A
163 172Right-handed alpha
Helix 6
6
A
181 186Right-handed alpha
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There is 1 sheet ( A) in PDB entry 1PUA.

There are 6 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
50 54first strand
Strand 2
A
94 101anti-parallel
Strand 3
A
105 115anti-parallel
Strand 4
A
120 128anti-parallel
Strand 5
A
156 161parallel
Strand 6
A
196 201anti-parallel
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