PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10608818-1 1999 Sec7 domains catalyze the replacement of GDP by GTP on the G protein ADP-ribosylation factor 1 (myrARF1) by interacting with its switch I and II regions and by destabilizing, through a glutamic finger, the beta-phosphate of the bound GDP. beta-phosphate 206-220 ADP ribosylation factor 1 Homo sapiens 69-94 9649435-0 1998 A glutamic finger in the guanine nucleotide exchange factor ARNO displaces Mg2+ and the beta-phosphate to destabilize GDP on ARF1. beta-phosphate 88-102 ADP ribosylation factor 1 Homo sapiens 125-129