IRA2 [YOL081W]
Inhibitory regulator protein IRA2; GTPase-activating protein; negatively regulates RAS by converting it from the GTP- to the GDP-bound inactive form, required for reducing cAMP levels under nutrient limiting conditions; IRA2 has a paralog, IRA1, that arose from the whole genome duplication; defects in human homolog NF1 are associated with neurofibromatosis
Synonyms: IRA2, IRA2p, P19158, CCS1, GLC4 ...