AmiGO Manual: Overview

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AmiGO is the official web-based set of tools for searching and browsing the Gene Ontology database, which consists of a controlled vocabulary of terms covering biological concepts, and a large number of genes or gene products whose attributes have been annotated using GO terms.

AmiGO 2 information can be found here.

It can be accessed online at the main installation or deployed locally.

To learn more about what the Gene Ontology is and what it does, please read the introductory documentation.

There is also a FAQ for questions that are commonly asked, but might not have a home somewhere else.

What can I do using AmiGO?

What data does AmiGO use?

Unless otherwise noted, the public installation of AmiGO ( uses the "seqdb" version of the database, which includes all manual gene product annotations and electronic annotations (IEA) from all databases other than UniProtKB.

For more detail on this subject, please see the GO database documentation here.


AmiGO is an open source software project and can be downloaded and installed as part of the go-dev CVS repository from the Gene Ontology page.

For full installation instructions, please see the installation wiki pages.

For information on maintenance and upkeep, please see the maintenance wiki pages.

Browser Compatibility

AmiGO is compatible with most modern operating system/browser combinations with good CSS support, including:

  • Firefox on Linux, Windows, and Mac OS X.
  • Mozilla/Netscape 6 on Linux, Windows, and Mac OS X.
  • IE on Windows, but NOT on Mac OS X. IE on Mac OS X does support CSS standards.
  • Safari on Mac OS X.
  • Konqueror on Linux.
  • Opera on Linux, Windows, and Mac OS X.

In order to use all of the functionality available in this version of AmiGO, we recommend that cookies are allowed and JavaScript is turned on. The Main Window

The HTML page you view may vary slightly in details.


AmiGO is made up of several interacting programs that work together to create a coherent whole.

Main components

The most used components

AmiGO's major components are the ones that are listed at the top of every page; these are the ones where your work will usually begin.

Pages from the main components

Other Components

AmiGO's other components are those that have specialized output in result of some kind of action.


The current stable version is 1.8 (tagged amigo_1_8). It is available for direct download at .

Information on the upcoming version is at the 2.0 site.

Version numbers are as follows:

A = Major release
B = Standard release (general testing)
C = Bugfix release (test of fixes)
D = Text fix release (minor changes that don't need testing)

The last two numbers are mostly for internal use.


Application note in Bioinformatics.

Working Group Information

AmiGO Hub Working Group

Web Presence Working Group