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


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 4LAS entry

There is 1 chain in PDB entry 4LAS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
H
 GLU 1ALA 232
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 5 helices in PDB entry 4LAS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
H
61 65Right-handed 310
Helix 2
2
H
73 75Right-handed 310
Helix 3
3
H
86 90Right-handed 310
Helix 4
4
H
152 154Right-handed 310
Helix 5
5
H
202 206Right-handed 310
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There are 6 sheets in PDB entry 4LAS. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 4 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
2 7first strand
Strand 2
H
18 26anti-parallel
Strand 3
H
77 82anti-parallel
Strand 4
H
67 72anti-parallel
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There are 6 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
11 12first strand
Strand 2
H
112 116parallel
Strand 3
H
91 98anti-parallel
Strand 4
H
33 39anti-parallel
Strand 5
H
45 52anti-parallel
Strand 6
H
57 59anti-parallel
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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
11 12first strand
Strand 2
H
112 116parallel
Strand 3
H
91 98anti-parallel
Strand 4
H
107 108anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
126 127first strand
Strand 2
H
141 147anti-parallel
Strand 3
H
193 198anti-parallel
Strand 4
H
185 190anti-parallel
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There are 6 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
132 135first strand
Strand 2
H
225 229parallel
Strand 3
H
207 213anti-parallel
Strand 4
H
156 161anti-parallel
Strand 5
H
168 172anti-parallel
Strand 6
H
176 177anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
132 135first strand
Strand 2
H
225 229parallel
Strand 3
H
207 213anti-parallel
Strand 4
H
220 221anti-parallel
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