PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8089125-5 1994 In contrast, mutations of residues 12 (Gly-->Val) or 61 (Gln-->Leu) inhibit both intrinsic- and GAP-stimulated GTP hydrolysis by Rac2. Valine 48-51 Rac family small GTPase 2 Homo sapiens 135-139