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The GO Browser

The Genome Portal includes a tool for browsing through the Gene Ontology (GO) and finding genes related to GO terms. GO arranges biological terms under three organizing principles, or ontologies. Each of these is the top level of a deep hierarchical structure of terms. The structures are technically not true hierarchies (they are directed acyclic graphs) in that they allow a child to have more than one parent. Specific gene products are assigned to the terms at various levels in the ontologies.

Aspect	Definition	Examples
Molecular Function	the tasks performed by individual gene products	carbohydrate binding, ATPase activity
Biological Process	broad biological goals that are accomplished by ordered assemblies of molecular functions	Mitosis, purine metabolism
Cellular Component	subcellular structures, locations, and macromolecular complexes	nucleus, telomere, origin recognition complex

Using the GO browser, you can:

Select Model Set(s)

With the GO browser you can analyze individual or multiple gene model sets by selecting one or more from the menu (see below).

To search an individual gene model set in GO, click to select an item in the Select Model Set(s) to View menu and click the apply button. The page will refresh to display your selection.

Or, to search multiple gene model sets, hold down Ctrl key (on the PC) or Cmd key (on the Mac) and click the model sets you wish to view (see below), then click the apply button. The page will refresh to display your selection.