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


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 4LDD entry

There are 3 chains in PDB entry 4LDD (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
B
 ASP 45GLN 309
C
 ASP 45PRO 187
A
 ASP 45ALA 188
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 15 helices in PDB entry 4LDD. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
B
60 64Right-handed 310
Helix 2
2
B
107 117Right-handed alpha
Helix 3
3
B
147 153Right-handed alpha
Helix 4
4
B
159 163Right-handed alpha
Helix 5
5
B
233 244Right-handed alpha
Helix 6
6
B
245 247Right-handed 310
Helix 7
7
B
264 271Right-handed alpha
Helix 8
8
C
60 64Right-handed 310
Helix 9
9
C
107 117Right-handed alpha
Helix 10
10
C
147 153Right-handed alpha
Helix 11
11
C
159 163Right-handed alpha
Helix 12
12
A
60 64Right-handed 310
Helix 13
13
A
107 117Right-handed alpha
Helix 14
14
A
147 153Right-handed alpha
Helix 15
15
A
159 163Right-handed alpha
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There are 8 sheets in PDB entry 4LDD. 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
B
54 55first strand
Strand 2
B
173 186parallel
Strand 3
B
70 83anti-parallel
Strand 4
B
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
B
120 124first strand
Strand 2
B
132 137anti-parallel
Strand 3
B
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
B
204 206first strand
Strand 2
B
306 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
B
248 253first strand
Strand 2
B
258 262anti-parallel
Strand 3
B
284 286anti-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
C
54 55first strand
Strand 2
C
173 186parallel
Strand 3
C
70 83anti-parallel
Strand 4
C
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
C
120 124first strand
Strand 2
C
132 137anti-parallel
Strand 3
C
154 158anti-parallel
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There are 4 strands in G 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 186parallel
Strand 3
A
70 82anti-parallel
Strand 4
A
89 101anti-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
A
120 124first strand
Strand 2
A
132 137anti-parallel
Strand 3
A
154 158anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il