G-protein definition

jēprōtēn, -tē-ĭn
Any of a class of cell membrane proteins that transmit signals from certain receptors to effector enzymes, enabling the cell to regulate its metabolism in response to hormones and other extracellular stimuli.
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Any of a class of cell membrane proteins that transmit signals from certain receptors to effector enzymes, enabling the cell to regulate its metabolism in response to hormones and other extracellular stimuli.
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Any of a class of cell membrane proteins that transmit signals from certain receptors to effector enzymes, enabling the cell to regulate its metabolism in response to hormones and other extracellular stimuli.
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Any of a class of cell membrane proteins that function as intermediaries between hormone receptors and enzymes that enable the cell to regulate its metabolism in response to hormonal changes.
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Alternative spelling of G protein.
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(biochemistry) Any of a class of proteins, found in cell membranes, that pass signals between hormone receptors and effector enzymes.
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Other Word Forms

Noun

Singular:
g-protein
Plural:
g-proteins

Origin of g-protein

  • From GTP-binding regulatory protein

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

  • From GTP-binding regulatory protein

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

  • From Wiktionary