the State Key Development Program for Basic Research of the Ministry of Science and Technology of China(973 Project)(Grant Nos.2007CB914304,2011CB915501,and 2011CB910304);the National High Technology Research and Development Program of China(863 Project)(Grant No.2006AA02A322);National Key Technologies R&D Program(Grant No.2009ZX10603)of the Ministry of Health of China.
The guanine-nucleotide exchange factor(GEF)RalGPS1a activates small GTPase Ral proteins such as RalA and RalB by stimulating the exchange of Ral bound GDP to GTP,thus regulating various downstream cellular processes.R...