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.
noun
Any of a group of proteins that are found near cell membranes and regulate cell division and proliferation. Abnormal Ras proteins facilitate uncontrolled cell division, leading to the development of tumors.
noun
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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