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


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 1SRD entry

There are 4 chains in PDB entry 1SRD (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1VAL 154
B
 ALA 1VAL 154
C
 ALA 1VAL 154
D
 ALA 1VAL 154
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 2 helices in PDB entry 1SRD. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
55 61Right-handed 310
Helix 2
2
B
57 60Right-handed 310
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There are 4 sheets in PDB entry 1SRD. Click on sheet of interest to get list of strands forming it: SA, SB, SC, SD,

There are 9 strands in SA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
1 10first strand
Strand 2
A
16 23anti-parallel
Strand 3
A
29 35anti-parallel
Strand 4
A
95 101anti-parallel
Strand 5
A
82 89anti-parallel
Strand 6
A
41 47anti-parallel
Strand 7
A
115 119anti-parallel
Strand 8
A
145 149anti-parallel
Strand 9
B
1 10anti-parallel
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There are 9 strands in SB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
1 10first strand
Strand 2
B
16 23anti-parallel
Strand 3
B
29 35anti-parallel
Strand 4
B
95 101anti-parallel
Strand 5
B
82 89anti-parallel
Strand 6
B
41 47anti-parallel
Strand 7
B
115 119anti-parallel
Strand 8
B
145 149anti-parallel
Strand 9
B
1 10anti-parallel
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There are 9 strands in SC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
1 10first strand
Strand 2
C
16 23anti-parallel
Strand 3
C
29 35anti-parallel
Strand 4
C
95 101anti-parallel
Strand 5
C
82 89anti-parallel
Strand 6
C
41 47anti-parallel
Strand 7
C
115 119anti-parallel
Strand 8
C
145 149anti-parallel
Strand 9
C
1 10anti-parallel
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There are 9 strands in SD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
1 10first strand
Strand 2
D
16 23anti-parallel
Strand 3
D
29 35anti-parallel
Strand 4
D
95 101anti-parallel
Strand 5
D
82 89anti-parallel
Strand 6
D
41 47anti-parallel
Strand 7
D
115 119anti-parallel
Strand 8
D
145 149anti-parallel
Strand 9
D
1 10anti-parallel
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