PR:000001339 cytokine receptor common subunit beta Aic2b|CD131|CDw131|CSF2RB|Csf2rb1|cytokine receptor common beta chain|GM-CSF/IL-3/IL-5 receptor common beta subunit|IL3RB|Il3rb1|IL5RB has_part Pfam:PF00041 Fibronectin type III domain 20090326 PRO:CNA