PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8437860-2 1993 Expression of the NF1-GAP-related domain (NF1GRD) has been shown to complement yeast strains deficient in the yeast GAP homologs, IRA1 and IRA2, to interact with human RAS proteins and to accelerate the conversion of ras-GTP to ras-GDP. Radium 217-220 GTPase-activating protein IRA1 Saccharomyces cerevisiae S288C 130-134