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


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 1DDL entry

There are 5 chains in PDB entry 1DDL (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
D
 U 1 U 7
E
 U 1 U 2
A
 MET 1SER 188
B
 MET 1SER 188
C
 ASN 14SER 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 7 helices in PDB entry 1DDL. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
56 64Right-handed alpha
Helix 2
2
A
103 110Right-handed 310
Helix 3
3
B
56 64Right-handed alpha
Helix 4
4
B
103 109Right-handed 310
Helix 5
5
C
56 64Right-handed alpha
Helix 6
6
C
103 107Right-handed 310
Helix 7
7
C
106 110Right-handed 310
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There are 9 sheets in PDB entry 1DDL. Click on sheet of interest to get list of strands forming it: A, A1, B, B1, C, D, D1, E, F,

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
B
31 42first strand
Strand 2
B
169 182anti-parallel
Strand 3
B
66 80anti-parallel
Strand 4
B
128 131anti-parallel
Strand 5
A
6 8parallel
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There are 4 strands in A1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
31 42first strand
Strand 2
B
169 182anti-parallel
Strand 3
B
66 80anti-parallel
Strand 4
B
140 142anti-parallel
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There are 4 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
31 42first strand
Strand 2
A
169 182anti-parallel
Strand 3
A
66 80anti-parallel
Strand 4
A
128 131anti-parallel
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There are 4 strands in B1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
31 42first strand
Strand 2
A
169 182anti-parallel
Strand 3
A
66 80anti-parallel
Strand 4
A
140 142anti-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
47 52first strand
Strand 2
A
151 158anti-parallel
Strand 3
A
89 97anti-parallel
Strand 4
A
114 118anti-parallel
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There are 5 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
30 42first strand
Strand 2
C
169 182anti-parallel
Strand 3
C
66 80anti-parallel
Strand 4
C
128 131anti-parallel
Strand 5
B
6 8parallel
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There are 4 strands in D1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
30 42first strand
Strand 2
C
169 182anti-parallel
Strand 3
C
66 80anti-parallel
Strand 4
C
140 142anti-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
47 52first strand
Strand 2
B
151 158anti-parallel
Strand 3
B
89 97anti-parallel
Strand 4
B
114 118anti-parallel
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There are 4 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
47 52first strand
Strand 2
C
151 158anti-parallel
Strand 3
C
89 97anti-parallel
Strand 4
C
114 118anti-parallel
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