134 results found
    1. Cell Biology

    The membrane-associated proteins FCHo and SGIP are allosteric activators of the AP2 clathrin adaptor complex

    Gunther Hollopeter et al.
    Endocytosis is triggered by membrane-associated proteins that transform the clathrin adaptor into an active complex.
    1. Cell Biology

    NECAPs are negative regulators of the AP2 clathrin adaptor complex

    Gwendolyn M Beacham et al.
    Endocytosis is regulated by a protein family that recycles the AP2 clathrin adaptor by restoring the inactive form of complex.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    Structural basis of HIV-1 Vpu-mediated BST2 antagonism via hijacking of the clathrin adaptor protein complex 1

    Xiaofei Jia et al.
    HIV-1 viral protein u (Vpu) can stimulate novel versions of canonical interactions with the clathrin adaptor AP1 to counteract the host antiviral protein BST2.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    A clathrin coat assembly role for the muniscin protein central linker revealed by TALEN-mediated gene editing

    Perunthottathu K Umasankar et al.
    The muniscin protein FCHO1 interacts with, and activates, the adapter protein-2 complex (AP-2) to promote the assembly of clathrin-coated vesicles.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    A structural mechanism for phosphorylation-dependent inactivation of the AP2 complex

    Edward A Partlow et al.
    Cryo-EM reveals how a protein called NECAP inactivates the AP2 clathrin adaptor complex through concerted engagement of two domains which confer specificity for membrane-activated and phosphorylated AP2.
    1. Structural Biology and Molecular Biophysics

    How HIV-1 Nef hijacks the AP-2 clathrin adaptor to downregulate CD4

    Xuefeng Ren et al.
    The structure of the Nef:AP-2 complex has been determined and used as the basis of a model that explains how HIV-1 Nef downregulates the CD4 receptor from the surface of the infected cells.
    1. Cell Biology

    The AP-2 complex has a specialized clathrin-independent role in apical endocytosis and polar growth in fungi

    Olga Martzoukou et al.
    In filamentous fungi the AP-2 complex, which in mammals is an adaptor of clathrin-mediated endocytosis, is recruited to specific clathrin-independent apical endocytosis necessary for proper lipid maintenance and polar growth.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    A nanobody-based molecular toolkit provides new mechanistic insight into clathrin-coat initiation

    Linton M Traub
    New intracellularly-expressed llama anti-EPS15 nanobodies reveal that pioneer clathrin-coat components function upstream of AP-2 clathrin adaptor deposition at the plasma membrane.
    1. Cell Biology
    2. Evolutionary Biology

    Vesicle Coat Proteins: Finding the missing link

    Thomas U Schwartz
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    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Vesicles: Looking inside the cell

    Eric C Arakel, Blanche Schwappach
    Advances in imaging techniques have shed new light on the structure of vesicles formed by COPI protein complexes.
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