Analysis of interatomic Contacts of Structural Units in PDB entry:
1Z4E


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 1Z4E entry

There are 2 chains in PDB entry 1Z4E (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS 4PHE 153
B
 HIS 4PHE 153
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 1Z4E. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
11 13Right-handed 310
Helix 2
2
A
14 25Right-handed alpha
Helix 3
3
A
27 31Right-handed 310
Helix 4
4
A
39 52Right-handed alpha
Helix 5
5
A
78 83Right-handed alpha
Helix 6
6
A
101 117Right-handed alpha
Helix 7
7
A
132 141Right-handed alpha
Helix 8
8
B
11 13Right-handed 310
Helix 9
9
B
14 25Right-handed alpha
Helix 10
10
B
27 31Right-handed 310
Helix 11
11
B
39 52Right-handed alpha
Helix 12
12
B
78 83Right-handed alpha
Helix 13
13
B
101 117Right-handed alpha
Helix 14
14
B
132 139Right-handed alpha
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There is 1 sheet ( A) in PDB entry 1Z4E.

There are 12 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
6 9first strand
Strand 2
A
55 62anti-parallel
Strand 3
A
65 76anti-parallel
Strand 4
A
84 93anti-parallel
Strand 5
A
119 127parallel
Strand 6
B
143 152anti-parallel
Strand 7
A
143 152anti-parallel
Strand 8
B
121 127anti-parallel
Strand 9
B
84 93parallel
Strand 10
B
65 76anti-parallel
Strand 11
B
55 62anti-parallel
Strand 12
B
6 9anti-parallel
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