preferred_name: RAB21 GEFs exchange GTP for GDP on RAB21 (Bos taurus)
preferred_name_lc: rab21 gefs exchange gtp for gdp on rab21 (bos taurus)
label: RAB21 GEFs exchange GTP for GDP on RAB21 (Bos taurus)
label_lc: rab21 gefs exchange gtp for gdp on rab21 (bos taurus)