G-protein
noun
any of a class of proteins in the membrane of a cell that mediate between hormone receptors on the cell surface and enzymes whose response allows the cell to regulate its metabolism.
G-proteins
-
pluralof G-protein.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"One class of such promising agents is the PCAIs that were designed to target oncogenic G-proteins in a manner that is different from the KRASG12C-targeting drugs."
From Science Daily ● Jun. 29, 2026
Their analysis confirmed that GPR156 activation hinges on its interaction with abundant lipids in the cell membrane, triggering structural shifts upon engagement with G-proteins in the cytoplasm.
From Science Daily ● Apr. 15, 2024
When this receptor is activated, it binds with G-proteins inside the cell, facilitating signal transmission.
From Science Daily ● Apr. 15, 2024
When a hormone binds to its membrane receptor, a G- protein that is associated with the receptor is activated; G-proteins are proteins separate from receptors that are found in the cell membrane.
From Textbooks ● Jun. 9, 2022
The binding of a hormone at a single receptor causes the activation of many G-proteins, which activates adenylyl cyclase.
From Textbooks ● Jun. 9, 2022
