2007
DOI: 10.1016/j.cell.2007.03.040
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Curved EFC/F-BAR-Domain Dimers Are Joined End to End into a Filament for Membrane Invagination in Endocytosis

Abstract: Pombe Cdc15 homology (PCH) proteins play an important role in a variety of actin-based processes, including clathrin-mediated endocytosis (CME). The defining feature of the PCH proteins is an evolutionarily conserved EFC/F-BAR domain for membrane association and tubulation. In the present study, we solved the crystal structures of the EFC domains of human FBP17 and CIP4. The structures revealed a gently curved helical-bundle dimer of approximately 220 A in length, which forms filaments through end-to-end inter… Show more

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Cited by 377 publications
(598 citation statements)
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“…Here, interaction of receptors with adaptor proteins stabilise nascent clathrin-coated pits (CCPs) at random sites on the plasma membrane [3]. Growing CCPs acquire cargo and invaginate via clathrin polymerization [4] and the coordinated action of curvature-inducing/sensing BAR [5] and F-BAR domain proteins [6,7], ENTH domain proteins [8], and possibly actin [9][10][11]. The neck of the deeply invaginated CCP is severed in a mechanism involving the large GTPase dynamin [12,13], and possibly a phosphoinositide (PI) phosphatase [14], to release a clathrin-coated vesicle (CCV), which uncoats through the action of GAK/auxilin [15,16].…”
Section: Introductionmentioning
confidence: 99%
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“…Here, interaction of receptors with adaptor proteins stabilise nascent clathrin-coated pits (CCPs) at random sites on the plasma membrane [3]. Growing CCPs acquire cargo and invaginate via clathrin polymerization [4] and the coordinated action of curvature-inducing/sensing BAR [5] and F-BAR domain proteins [6,7], ENTH domain proteins [8], and possibly actin [9][10][11]. The neck of the deeply invaginated CCP is severed in a mechanism involving the large GTPase dynamin [12,13], and possibly a phosphoinositide (PI) phosphatase [14], to release a clathrin-coated vesicle (CCV), which uncoats through the action of GAK/auxilin [15,16].…”
Section: Introductionmentioning
confidence: 99%
“…In a typical experiment using dual colour total internal reflection fluorescence microscopy (TIR-FM), the recruitment dynamics of fluorescent protein (FP)-tagged endocytic proteins were measured relative to the disappearance of spot-like CCPs, which was used as a fiducial marker to indicate internalization [6,18,19]. Using this strategy the recruitment dynamics of endocytic proteins were coarsely grouped into ''early'' and ''late'' relative to CCP disappearance [20] (Figure S1), but finer temporal resolution was not possible because the moment of scission, the endpoint of the invagination process, was unknown.…”
Section: Introductionmentioning
confidence: 99%
“…Ceci est bien illustré par les fréquents treillis plats de clathrine observés à la surface de nombreuses cellules [23]. Le rôle actif de certaines protéines capables de « sculpter » la membrane plasmique a été établi [24][25][26][27]. En revanche, parmi les protéines connues ayant ces propriétés, la plupart ont un rôle tardif lors de la transition, au moment où les puits de clathrine deviennent des vésicules.…”
Section: Induction Des Vésicules De Clathrine : Le Rôle Controversé Dunclassified
“…En plus de leur capacité à se lier aux membranes, les domaines BAR ont aussi celle de sentir et d'induire une courbure chez celles-ci [26]. Les domaines F-BAR peuvent également se lier aux membranes et induire une courbure, mais, en raison de la formation d'un angle moins prononcé, ils n'induisent pas de courbure aussi extrême que celle qu'induisent les domaines BAR [27,32]. Le domaine F-BAR des protéines FCHo a une préférence pour le Pi(4,5)P 2 par rapport aux autres lipides [28], ce qui explique pourquoi ces protéines sont exclusivement recrutées à la membrane plasmique, qui est très riche en Pi(4,5)P 2 .…”
Section: Comment Les Protéines Fcho Induisent-elles La Formation Des unclassified
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