RAB21 GEFs exchange GTP for GDP on RAB21 (Dictyostelium discoideum)
rab21 gefs exchange gtp for gdp on rab21 (dictyostelium discoideum)
RAB21 GEFs exchange GTP for GDP on RAB21 (Dictyostelium discoideum)
rab21 gefs exchange gtp for gdp on rab21 (dictyostelium discoideum)