dynamin
Pronunciation: dī′nă-min
Definition: A guanosine 5′-triphosphatase (i.e., GTPase) that, by surrounding the neck of a forming pinocytotic vesicle, pinches it off and frees it from the cell membrane, thus releasing it into the cytoplasm.
[G. dynamis, power, + -in]
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Examples: glitazone, GI cocktail, etc.

