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


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 4LDU entry

There is 1 chain in PDB entry 4LDU (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 49THR 389
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 9 helices in PDB entry 4LDU. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
52 61Right-handed alpha
Helix 2
2
A
76 89Right-handed alpha
Helix 3
3
A
135 139Right-handed 310
Helix 4
4
A
141 146Right-handed 310
Helix 5
5
A
176 184Right-handed alpha
Helix 6
6
A
226 235Right-handed alpha
Helix 7
7
A
272 291Right-handed alpha
Helix 8
8
A
311 318Right-handed alpha
Helix 9
9
A
383 387Right-handed 310
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There are 4 sheets in PDB entry 4LDU. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 5 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
294 298first strand
Strand 2
A
124 132anti-parallel
Strand 3
A
106 117anti-parallel
Strand 4
A
72 75anti-parallel
Strand 5
A
308 310anti-parallel
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There are 3 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
241 246anti-parallel
Strand 3
A
252 257anti-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
A
173 175first strand
Strand 2
A
220 223anti-parallel
Strand 3
A
207 215anti-parallel
Strand 4
A
195 201anti-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
A
328 334first strand
Strand 2
A
340 350anti-parallel
Strand 3
A
366 370anti-parallel
Strand 4
A
381 382anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il