It is now the 1st OPEN Period for CACAO Fall 2017! It will end on Sunday September 24, 2017 at 11:59 pm CDT
This is your chance to make annotations OR challenge other team's annotations. You may also DEFEND or suggest improvements to your own annotations IF they have been challenged. Please note, although we ENCOURAGE challenges, an excess of identical challenges that do not appear to be applicable to the annotation or well thought out will be considered spam and ignored.

Have any questions? Please email us at

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This template is used with subst: call to create a new CACAO competition. You may need to save it twice to get the schedule table to appear.

the intercollegiate annotation competition!
The Community Assessment of Community Annotation with Ontologies (CACAO) is a competition for teams of undergrads around the world to improve the functional annotation of genes. CACAO was developed and is currently run at Texas A&M University, along with many other institutions. If you are interested in participating, please email us -


Cacao could not find a matching session in the list of global sessions. (This may be an older session of Cacao that is not currently running.) Please check with the administrator.

Calendar of Rounds


CACAO page

  • Don't forget - no binding terms (i.e. DNA binding, etc) & no response to terms (i.e. response to heat, etc)

Quick Links

Look through the helpful handouts for students shown above. This includes printable documents.
  • For more help on evidence codes

Participating schools

Lecture Material

More background info can be found on the About CACAO page.

Virus-related GO terms

  • For those of you interested in annotating proteins from viruses and phages: