Hewang Li et al.
Proceedings of the National Academy of Sciences of the United States of America, 100(4), 1627-1632 (2003-02-07)
Like other guanine nucleotide-exchange proteins (GEPs) that activate ADP-ribosylation factor (ARF) GTPases, brefeldin A-inhibited GEP2, BIG2, contains an approximately 200-aa Sec7 domain that is responsible for this catalytic activity and its inhibition by brefeldin A. The Sec7 domain is located