Ras Protein Definition

A protein that is found near cell membranes and regulates cell division and proliferation. Abnormal ras proteins facilitate uncontrolled cell division, leading to the development of tumors.
American Heritage

Origin of Ras Protein

  • ra(t) s(arcoma) from the fact that genes coding for abnormal ras proteins were first isolated from rat sarcomas

    From American Heritage Dictionary of the English Language, 5th Edition

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ras protein