RAB21 GEFs exchange GTP for GDP on RAB21 (Caenorhabditis elegans)
rab21 gefs exchange gtp for gdp on rab21 (caenorhabditis elegans)
RAB21 GEFs exchange GTP for GDP on RAB21 (Caenorhabditis elegans)
rab21 gefs exchange gtp for gdp on rab21 (caenorhabditis elegans)