clathrin(redirected from Clathrin cage)
Also found in: Medical.
(cell and molecular biology)
A protein that forms a lattice-shaped coating, through the assembly of subunits called triskelions, on the cytosolic side of membrane regions called coated pits during the initial stages of receptor-mediated endocytosis. Invagination of the pit results in a clathrin-coated vesicle.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.