Analysis of interatomic Contacts of Structural Units in PDB entry:
1LD9


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 1LD9 entry

There are 6 chains in PDB entry 1LD9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 1GLU 268
B
 ILE 1MET 99
C
 TYR 1PHE 9
D
 GLY 1GLU 268
E
 ILE 1MET 99
F
 TYR 1PHE 9
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 1LD9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
50 53Right-handed 310
Helix 2
2
A
58 84Right-handed alpha
Helix 3
3
A
140 149Right-handed alpha
Helix 4
4
A
153 160Right-handed alpha
Helix 5
5
A
163 173Right-handed alpha
Helix 6
6
A
176 180Right-handed 310
Helix 7
7
D
50 53Right-handed 310
Helix 8
8
D
58 84Right-handed alpha
Helix 9
9
D
140 150Right-handed alpha
Helix 10
10
D
153 160Right-handed alpha
Helix 11
11
D
163 173Right-handed alpha
Helix 12
12
D
176 180Right-handed 310
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There are 12 sheets in PDB entry 1LD9. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 6 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
111 118first strand
Strand 2
A
94 102anti-parallel
Strand 3
A
6 12anti-parallel
Strand 4
A
21 28anti-parallel
Strand 5
A
31 36anti-parallel
Strand 6
A
45 47anti-parallel
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There are 2 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
124 127first strand
Strand 2
A
132 135anti-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
199 204first strand
Strand 2
A
244 249anti-parallel
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There are 2 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
214 218first strand
Strand 2
A
258 262anti-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
9 11first strand
Strand 2
B
22 28anti-parallel
Strand 3
B
63 69anti-parallel
Strand 4
B
50 52anti-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
36 40first strand
Strand 2
B
79 83anti-parallel
Strand 3
B
91 94anti-parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
111 118first strand
Strand 2
D
94 102anti-parallel
Strand 3
D
6 12anti-parallel
Strand 4
D
21 28anti-parallel
Strand 5
D
31 36anti-parallel
Strand 6
D
45 47anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
124 127first strand
Strand 2
D
132 135anti-parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
199 204first strand
Strand 2
D
244 249anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
214 218first strand
Strand 2
D
258 262anti-parallel
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There are 4 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
9 11first strand
Strand 2
E
22 28anti-parallel
Strand 3
E
63 69anti-parallel
Strand 4
E
50 52anti-parallel
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There are 3 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
36 40first strand
Strand 2
E
79 83anti-parallel
Strand 3
E
91 94anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il