This domain is found in various eukaryotic species, where it is found in proteins that are important in various parasite-host cell interactions. It is thought to be an RNA-binding domain . The domain is involved in plant defence in response to bacterial infection [2,3].
The ~60-residue RAP (an acronym for RNA-binding domain abundant in Apicomplexans) domain is found in various proteins in eukaryotes. It is particularly abundant in apicomplexans and might mediate a range of cellular functions through its potential interactions with RNA [PUBMED:15501674].