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6C14

CryoEM structure of mouse PCDH15-1EC-LHFPL5 complex

Summary for 6C14
Entry DOI10.2210/pdb6c14/pdb
EMDB information7327 7328
DescriptorProtocadherin-15, LHFPL tetraspan subfamily member 5 protein (2 entities in total)
Functional Keywordspcdh15, lhfpl5, protocadherin, tip link, hair cell, tmhs, hearing, membrane protein, metal transport
Biological sourceMus musculus (Mouse)
More
Total number of polymer chains4
Total formula weight125050.90
Authors
Gouaux, E.,Elferich, J.,Ge, J. (deposition date: 2018-01-03, release date: 2018-08-15, Last modification date: 2019-12-18)
Primary citationGe, J.,Elferich, J.,Goehring, A.,Zhao, J.,Schuck, P.,Gouaux, E.
Structure of mouse protocadherin 15 of the stereocilia tip link in complex with LHFPL5.
Elife, 7:-, 2018
Cited by
PubMed Abstract: Hearing and balance involve the transduction of mechanical stimuli into electrical signals by deflection of bundles of stereocilia linked together by protocadherin 15 (PCDH15) and cadherin 23 'tip links'. PCDH15 transduces tip link tension into opening of a mechano-electrical transduction (MET) ion channel. PCDH15 also interacts with LHFPL5, a candidate subunit of the MET channel. Here we illuminate the PCDH15-LHFPL5 structure, showing how the complex is composed of PCDH15 and LHFPL5 subunit pairs related by a 2-fold axis. The extracellular cadherin domains define a mobile tether coupled to a rigid, 2-fold symmetric 'collar' proximal to the membrane bilayer. LHFPL5 forms extensive interactions with the PCDH15 transmembrane helices and stabilizes the overall PCDH15-LHFPL5 assembly. Our studies illuminate the architecture of the PCDH15-LHFPL5 complex, localize mutations associated with deafness, and shed new light on how forces in the PCDH15 tether may be transduced into the stereocilia membrane.
PubMed: 30070639
DOI: 10.7554/eLife.38770
PDB entries with the same primary citation
Experimental method
ELECTRON MICROSCOPY (4.5 Å)
Structure validation

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