Analysis of interatomic Contacts of Structural Units in PDB entry:
3LDU


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 3LDU entry

There is 1 chain in PDB entry 3LDU (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 2ASN 380
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 3LDU. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
14 25Right-handed alpha
Helix 2
2
A
44 53Right-handed alpha
Helix 3
3
A
70 80Right-handed alpha
Helix 4
4
A
82 86Right-handed 310
Helix 5
5
A
107 127Right-handed alpha
Helix 6
6
A
177 187Right-handed alpha
Helix 7
7
A
204 215Right-handed alpha
Helix 8
8
A
225 230Right-handed 310
Helix 9
9
A
234 249Right-handed alpha
Helix 10
10
A
263 278Right-handed alpha
Helix 11
11
A
279 281Right-handed 310
Helix 12
12
A
289 293Right-handed 310
Helix 13
13
A
311 331Right-handed alpha
Helix 14
14
A
345 351Right-handed alpha
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There are 2 sheets in PDB entry 3LDU. 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
28 33first strand
Strand 2
A
36 41anti-parallel
Strand 3
A
4 9anti-parallel
Strand 4
A
60 67anti-parallel
Strand 5
A
150 156anti-parallel
Strand 6
A
142 147anti-parallel
Strand 7
A
95 101parallel
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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
283 287first strand
Strand 2
A
257 261parallel
Strand 3
A
196 198parallel
Strand 4
A
301 304parallel
Strand 5
A
336 341parallel
Strand 6
A
365 372anti-parallel
Strand 7
A
356 362anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il