Tutorial: Database Searching

GCK has the ability to let you search criteria once and then search multiple databases on the web for matches. It eliminates the need for you to reformat your query for each web site. [NOTE - if working with the demo version of GCK, the 'Database Search' feature is disabled. Please feel free to read through the steps below to learn about the functionality].

  1. GCK facilitates your ability to search multiple web sites for matches with DNA sequences, protein sequences or key words through its database searching tool. To access the DB search, choose Tools > Database Search…. GCK will check with the database server that Textco BioSoftware has set up and will then show you a list of available databases that can be searched (Figure 2.86).
    Figure 2.86: Keyword databases available
  2. Choose Keyword Search from the popup menu. This will show you a list of the currently available web sites that can be searched for key words by GCK. As new sites become available and others go offline, Textco BioSoftware will update the database server to reflect those changes. You can choose which databases to search by using the checkboxes. Leave them all selected in this case.
  3. Type in the keyword “insulin” and press the Search button. You will be taken to your web browser to see the result. You should see something resembling Figure 2.87. You may seem something different as databases are added or removed from the search. This shows all of the searches that have been initiated. As each search completes, its status will change from Processing to Completed . If you click on the Completed link you can see the results of your search displayed in your web browser.
    Figure 2.87: Database search in progress
  4. Now lets do a protein search. Open the HSP70 protein file and select the protein sequence, which is the arrow below the construct – do this by clicking on the arrow once. If you view this as a sequence ( Construct > Display > Display Sequence ) you will see that it is a single letter representation of the HSP70 protein. Now copy the selection and choose Tools > Database Search . Make sure that you check the check box that says Use current selection for DNA/protein search and make sure that the text field at the top of the window is empty. Now press the Search button to see the results

Note how you have the ability to use whatever you have selected in GCK to initiate the search. This makes it very easy to find out more information about whatever sequence you might be examining.

This concludes the tutorials. For more details about specific features, please use the index to look elsewhere in the manual. We hope you enjoy using GCK!

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