Wiktionary
n. (context protein English) Any of a group of proteins that regulate signal transduction within cells
Wikipedia
Arrestins are a small family of proteins important for regulating signal transduction at G protein-coupled receptors. Arrestins were first discovered as a part of a conserved two-step mechanism for regulating the activity of G protein-coupled receptors (GPCRs) in the visual rhodopsin system by Hermann Kühn and co-workers and in the β-adrenergic system by Martin J. Lohse and co-workers.
Usage examples of "arrestin".
Right now I'm arresting you all for disturbing the peace on a Friday morning in Gatesville.
Besides, you ain’t arrestin’him, but requestin’ his presence as a witness.
Almost had myself convinced for a while that I actually should get out and start arrestin' people, and start actin' like a sheriff in general.
Raddle, suddenly arresting the rapid torrent of her speech, and addressing the third party with impressive slowness and solemnity.
You von't think o' arrestin' your own son for the money, and sendin' him off to the Fleet, will you, you unnat'ral wagabone?
Man in my business never knows when he's gonna need a favour, and arrestin' you is gonna buy me a hell of a lot of favours.
Man in my Business never knows when he's gonna need a favor, and arrestin' you is gonna buy me a hell of a lot of favors.