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Rajasthan Administrative Service, popularly known as RAS, is a state civil service of state Rajasthan along with Rajasthan Accounts Service, Rajasthan Police Service and other services. The officers are included in the state cadre of civil service officers.
Ras, from "Rat sarcoma virus", is a family of related proteins that are expressed in all animal cell lineages and organs. All Ras protein family members belong to a class of protein called small GTPase, and are involved in transmitting signals within cells (cellular signal transduction).
The renin-angiotensin system (RAS), or renin-angiotensin-aldosterone system (RAAS), is a hormone system that regulates blood pressure, fluid, and electrolyte balance, and systemic vascular resistance.
The five main families are Ras, Rho, Ran, Rab and Arf GTPases. [2] The Ras family itself is further divided into 6 subfamilies: Ras, Ral, Rap, Rheb, Rad and Rit. Miro is a recent contributor to the superfamily. Each subfamily shares the common core G domain, which provides essential GTPase and nucleotide exchange activity.
Ras GTPase-activating protein 3 is an enzyme that in humans is encoded by the RASA3 gene. [ 5 ] [ 6 ] [ 7 ] The protein encoded by this gene is member of the GAP1 family of GTPase-activating proteins.
RAS p21 protein activator 1 or RasGAP (Ras GTPase activating protein), also known as RASA1, is a 120-kDa cytosolic human protein that provides two principal activities: Inactivation of Ras from its active GTP -bound form to its inactive GDP -bound form by enhancing the endogenous GTPase activity of Ras, via its C-terminal GAP domain
Recirculating aquaculture systems (RAS) are used in home aquaria and for fish production where water exchange is limited and the use of biofiltration is required to reduce ammonia toxicity. [1] Other types of filtration and environmental control are often also necessary to maintain clean water and provide a suitable habitat for fish. [ 2 ]
RAS-associated autoimmune leukoproliferative disorder (RALD) is a rare genetic disorder of the immune system. RALD is characterized by lymphadenopathy, splenomegaly, autoimmunity, and elevation in granulocytes and monocytes. It shares many features with autoimmune lymphoproliferative syndrome and is caused by somatic mutations in NRAS or KRAS.