The web interface of the Algal Functional Annotation Tool consists of a set of portals that give access to the different types of analyses available. Re­sults are shown within expandable/collapsible HTML tables that display annotation information along with the statistical results of the analysis. When expanded, the results table shows which gene identifiers contain a specific annotation along with further information regarding matching gene identifiers and BLAST E-values. Updates to the Algal Functional Annotation Tool are semi-automated using a set of Perl scripts that parse and process updated flat files from the various integrated annotation da­tabases at regular intervals. Currently, functional data from the primary annotation databases is set to be updated every 4 months.