RASGEF1B (RAS Guanine Nucleotide Exchange Factor 1B): RASGEF1B is a guanine nucleotide exchange factor that activates Ras, a family of proteins involved in transmitting signals within cells. It's believed to play a role in neural development and function. RASGEF1B might influence cellular processes like cell growth and differentiation, and its dysregulation could be implicated in developmental disorders and possibly in cancer progression....