tutorials:search_engine:tutorial:text_search

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===== How To Perform a Text Search =====

It is possible to search the CATH database using any search word. For example, the word may be of functional origin, such as 'chaperone,' or structural, such as 'helix'. The search word can be entered in the 'Quick Search' box in the top right-hand corner of the screen, or into the 'Search by ID/Keywords' box on the 'Search CATH by ID/sequence/text' page accessible from the CATH homepage. The search word 'lysine' will generate a result page that looks like this:

{{ :tutorials:search_engine:tutorial:lysine.png |}}

The CATH search engine generates two different types of hits:

    * PDB: all PDB files that include your search word will be displayed in the PDB table. From here you can either:
          * Access the protein in CATH by clicking on the PDB code
          * View an image of the hit, to enlarge the image simply click on it
      
    * Classification: all the classification names that include your search word will be displayed in the classification table. From here you can either:
          * Access the information page for a CATH classification by clicking on its CATH code
          * View the names of the CATH classifications 

===== Links to Other Tutorial Pages ====

~~DIR?cols=page;description&hdrs=Page; Description~~

Trace: • alpha_beta_plait • cathdomainpdb • welcome • 12web_services_in_java • four_helix_bundle • test • omega_loop • text_search • pdb • cathdomall

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