Ras proteins bind GDP/GTP and possess intrinsic GTPase activity. GTP + H2O = GDP + H(+) + phosphate Alternates between an inactive form bound to GDP and an active form bound to GTP. Activated by a guanine nucleotide-exchange factor (GEF) and inactivated by a GTPase-activating protein (GAP). Forms a signaling complex with RASGRP1 and DGKZ. In its GTP-bound form interacts with PLCE1. Interacts with TBC1D10C. Interacts with RGL3 and RASSF5. Interacts with HSPD1. Interacts with PDE6D. Interacts with IKZF3. Found in a complex with at least BRAF, HRAS, MAP2K1, MAPK3 and RGS14. Interacts (active GTP-bound form) with RGS14 (via RBD 1 domain). Interacts with RACK1. Interacts with PIK3CG; the interaction is required for membrane recruitment and beta-gamma G protein dimer-dependent activation of the PI3K gamma complex PIK3CG:PIK3R6. Interacts with RAPGEF2. Interacts (in GTP-bound form) with Oog1. Shuttles between the plasma membrane and the Golgi apparatus. The active GTP-bound form is localized most strongly to membranes than the inactive GDP-bound form (By similarity). Ubiquitinated by the BCR(LZTR1) E3 ubiquitin ligase complex at Lys-170 in a non-degradative manner, leading to inhibit Ras signaling by decreasing Ras association with membranes. Belongs to the small GTPase superfamily. Ras family.