PDZ and LIM domain protein

Function

PDZ and LIM domain proteins (PDLIM) contain PDZ and LIM domains. PDLIM binds α-actinin via its PDZ domain and other proteins via its LIM domain. PDLIM is implicated in cardiac and skeletal muscle structure[1].
For details on PDLIM see Group:MUZIC:ZASP and Group:MUZIC:Enigma Family.

  • PDLIM1 promotes cell attachment at the cytoskeleton. For details see Group:MUZIC:ALP.
  • PDLIM2 may have a role in bringing proteins to the cytoskeleton.
  • PDLIM3 may have a role in organizing actin filament arrays within muscle cells.
  • PDLIM4 is a Zn+2 ion binding protein.
  • PDLIM5 has important role in heart development by scaffolding PKC to the Z-disk region.
  • PDLIM7 is an adaptor protein localizing the LIM-binding proteins to muscle tissues.

Relevance

PDLIM2 may contribute to cancer cells migratory capacity. PDLIM5 overexpression promotes the development of heart hypertrophy.

Structure of PDZ and LIM domain protein 2 PDZ domain with C-terminal of β-tropomyosin and Cl- ions (PDB entry 2pa1)

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3D structures of PDZ and LIM domain protein3D structures of PDZ and LIM domain protein

Updated on 21-August-2023

ReferencesReferences

  1. te Velthuis AJ, Bagowski CP. PDZ and LIM domain-encoding genes: molecular interactions and their role in development. ScientificWorldJournal. 2007 Sep 1;7:1470-92. PMID:17767364 doi:10.1100/tsw.2007.232

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Michal Harel, Alexander Berchansky