Analysis of interatomic Contacts of Structural Units in PDB entry:
1SG8


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 1SG8 entry

There are 4 chains in PDB entry 1SG8 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1ILE 14
B
 ILE 16PHE 245
D
 ALA 1ILE 14
E
 ILE 16PHE 245
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 16 helices in PDB entry 1SG8. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
7 11Right-handed 310
Helix 2
2
A
14 14Right-handed alpha
Helix 3
3
B
55 59Right-handed alpha
Helix 4
4
B
60 60Right-handed 310
Helix 5
5
B
60 62Right-handed 310
Helix 6
6
B
125 130Right-handed alpha
Helix 7
7
B
164 170Right-handed alpha
Helix 8
8
B
234 245Right-handed alpha
Helix 9
9
D
7 11Right-handed 310
Helix 10
10
D
14 14Right-handed alpha
Helix 11
11
E
55 59Right-handed alpha
Helix 12
12
E
60 60Right-handed 310
Helix 13
13
E
60 62Right-handed 310
Helix 14
14
E
125 130Right-handed alpha
Helix 15
15
E
164 170Right-handed alpha
Helix 16
16
E
234 245Right-handed alpha
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There are 6 sheets in PDB entry 1SG8. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 8 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
20 21first strand
Strand 2
B
156 163anti-parallel
Strand 3
B
180 183anti-parallel
Strand 4
B
226 230anti-parallel
Strand 5
B
207 215anti-parallel
Strand 6
B
198 202anti-parallel
Strand 7
B
135 140anti-parallel
Strand 8
B
156 163anti-parallel
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There are 7 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
30 35first strand
Strand 2
B
39 46anti-parallel
Strand 3
B
51 54anti-parallel
Strand 4
B
104 108anti-parallel
Strand 5
B
81 90anti-parallel
Strand 6
B
64 68anti-parallel
Strand 7
B
30 35anti-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
60 60first strand
Strand 2
B
60 60anti-parallel
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There are 7 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
20 21first strand
Strand 2
E
156 161anti-parallel
Strand 3
E
135 140anti-parallel
Strand 4
E
198 202anti-parallel
Strand 5
E
207 215anti-parallel
Strand 6
E
226 230anti-parallel
Strand 7
E
180 183anti-parallel
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There are 7 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
81 83first strand
Strand 2
E
64 68anti-parallel
Strand 3
E
30 35anti-parallel
Strand 4
E
39 46anti-parallel
Strand 5
E
51 54anti-parallel
Strand 6
E
104 108anti-parallel
Strand 7
E
85 90anti-parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
60 60first strand
Strand 2
E
60 60anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il