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


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 4LDI entry

There are 2 chains in PDB entry 4LDI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 44ASP 310
B
 GLY 44ASP 310
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 12 helices in PDB entry 4LDI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
107 117Right-handed alpha
Helix 2
2
A
147 153Right-handed alpha
Helix 3
3
A
159 163Right-handed alpha
Helix 4
4
A
233 243Right-handed alpha
Helix 5
5
A
254 256Right-handed 310
Helix 6
6
A
264 272Right-handed alpha
Helix 7
7
B
107 117Right-handed alpha
Helix 8
8
B
147 153Right-handed alpha
Helix 9
9
B
159 163Right-handed alpha
Helix 10
10
B
233 243Right-handed alpha
Helix 11
11
B
254 256Right-handed 310
Helix 12
12
B
264 272Right-handed alpha
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There are 8 sheets in PDB entry 4LDI. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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
A
54 55first strand
Strand 2
A
173 185parallel
Strand 3
A
71 83anti-parallel
Strand 4
A
86 101anti-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
120 125first strand
Strand 2
A
132 137anti-parallel
Strand 3
A
154 158anti-parallel
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There are 2 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
204 205first strand
Strand 2
A
307 308anti-parallel
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There are 3 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
249 253first strand
Strand 2
A
258 262anti-parallel
Strand 3
A
284 288anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
54 55first strand
Strand 2
B
173 185parallel
Strand 3
B
71 83anti-parallel
Strand 4
B
86 101anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
120 125first strand
Strand 2
B
132 137anti-parallel
Strand 3
B
154 158anti-parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
204 205first strand
Strand 2
B
307 308anti-parallel
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There are 3 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
249 253first strand
Strand 2
B
258 262anti-parallel
Strand 3
B
284 288anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il