PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12878844-0 2003 Backbone 1H, 13C, and 15N resonance assignments for the 21 kDa GTPase Rac1 complexed to GDP and Mg2+. 15n 22-25 Rac family small GTPase 1 Homo sapiens 70-74 16858624-0 2006 1H, 15N, 13C assignments for the activated form of the small Rho-GTPase Rac1. 15n 4-7 Rac family small GTPase 1 Homo sapiens 72-76 15929008-0 2005 1H, 15N and 13C Resonance assignments and secondary structure determination reveal that the minimal Rac1 GTPase binding domain of plexin-B1 has a ubiquitin fold. 15n 4-7 Rac family small GTPase 1 Homo sapiens 100-104