Does not activate plant gene transcription, because it has too few core repeats. Secreted via type III secretion system (TTSS, PubMed:20121447). By hrpB. There are at least 4 possible nuclear localization signals, both N- and C-terminal regions contribute to nuclear localization. Belongs to the transcription activator-like effector (TALE) family. RipTAL/RTL subfamily.