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	=SkyBase in geWorkbench=		=SkyBase in geWorkbench=
		+
		+	==Parameters==
		+	* % minimum Alignment Coverage -
		+	* % minimum sequence identity -
		+	* most similar hits to report -
		+
		+
		+	[[Image:SkyBase_Parameters.png]]
		+
		+
		+	==Grid Service==
		+	No local service implementation of SkyBase is available in geWorkbench.  Instead, an open grid service is used.  No username or password is required.
		+
		+	In the Services tab,
		+	# Click on "Search Grid Services".  This will retrieve the information for the SkyBase grid service from the index service.
		+	# Select the radio button in front of the SkyBase grid service.
		+	# Return to the "Parameters" tab.
		+
		+
		+	[[Image:SkyBase_Grid_Service.png]]
		+

---

Revision as of 12:44, 14 June 2011

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Overview

SkyBase is a database that stores the homology models built by SkyLine analysis for all NESG PSI2 protein structures. Users can search the database with their sequence of interest to find homology models which meet user-defined alignment coverage and sequence identity constraints.

SkyBase Tutorial

http://skybase.c2b2.columbia.edu/nesg3/help/help.html

Database Search Page

http://skybase.c2b2.columbia.edu/nesg3/nesg.php

SkyBase in geWorkbench

Parameters

•  % minimum Alignment Coverage -
•  % minimum sequence identity -
• most similar hits to report -

Grid Service

No local service implementation of SkyBase is available in geWorkbench. Instead, an open grid service is used. No username or password is required.

In the Services tab,

1. Click on "Search Grid Services". This will retrieve the information for the SkyBase grid service from the index service.
2. Select the radio button in front of the SkyBase grid service.
3. Return to the "Parameters" tab.

After query with the sequence for PDB file 1e09:

Note on column sorting

In the initial display, the data is sorted in descending order on the second column, "Id% query-model-sequence". The table can be resorted based on any column by clicking on that column's header. Repeated clicks on the same header will cycle through sorting the table in three ways:

• Original order (column 2, descending).
• Ascending order of clicked-on column.
• Descending order of clicked-on column.

Detail, upper left

Detail, upper right

VAT page

VAQ page

References

Lee H, Li Z, Silkov A, Fischer M, Petrey D, Honig B, Murray D. (2010) High-throughput computational structure-based characterization of protein families: START domains and implications for structural genomics. J Struct Funct Genomics. 11(1):51-9. Link to paper

Mirkovic N., Li Z., Parnassa A., Murray D. (2007) Strategies for High-Throughput Comparative Modeling: Applications to Leverage Analysis in Structural Genomics and Protein Family Organization. Proteins: Structure, Function, and Bioinformatics 66:766-777.