Analysis of interatomic Contacts of Structural Units in PDB entry:
1BS3


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 1BS3 entry

There are 2 chains in PDB entry 1BS3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1ALA 201
B
 ALA 1ALA 201
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 18 helices in PDB entry 1BS3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
21 29Right-handed alpha
Helix 2
2
A
31 52Right-handed alpha
Helix 3
3
A
58 80Right-handed alpha
Helix 4
4
A
94 104Right-handed alpha
Helix 5
5
A
107 119Right-handed alpha
Helix 6
6
A
164 166Right-handed 310
Helix 7
7
A
168 171Right-handed alpha
Helix 8
8
A
175 185Right-handed alpha
Helix 9
9
A
188 198Right-handed alpha
Helix 10
10
B
21 29Right-handed alpha
Helix 11
11
B
31 52Right-handed alpha
Helix 12
12
B
58 80Right-handed alpha
Helix 13
13
B
94 104Right-handed alpha
Helix 14
14
B
107 119Right-handed alpha
Helix 15
15
B
164 166Right-handed 310
Helix 16
16
B
168 171Right-handed alpha
Helix 17
17
B
175 185Right-handed alpha
Helix 18
18
B
188 199Right-handed alpha
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There are 2 sheets in PDB entry 1BS3. Click on sheet of interest to get list of strands forming it: A, B,

There are 3 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
137 144first strand
Strand 2
A
125 132anti-parallel
Strand 3
A
155 161anti-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
137 144first strand
Strand 2
B
125 132anti-parallel
Strand 3
B
155 161anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il