The Homer-1 protein Ania-3 interacts with the plasma membrane calcium pump.

@article{SgambatoFaure2006TheHP,
  title={The Homer-1 protein Ania-3 interacts with the plasma membrane calcium pump.},
  author={V{\'e}ronique Sgambato-Faure and Yuning Xiong and Joshua D. Berke and Steven E. Hyman and Emanuel E. Strehler},
  journal={Biochemical and biophysical research communications},
  year={2006},
  volume={343 2},
  pages={
          630-7
        }
}

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It is demonstrated that Homer 1b (H1b), a constitutively expressed splice form of the immediate early gene product Homer (now termed Homer 1a) regulates the trafficking and surface expression of group I metabotropic glutamate receptors.
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Roles in glutamate receptor function and intracellular signaling in neurons are summarized, with recent data indicating that Homer proteins not only control expression and localization of mGlu receptors and channels, but also participate in signaling of glutamate receptors in neurons.
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A novel dendritic protein, Homer, is reported that contains a single, PDZ-like domain and binds specifically to the carboxy terminus of phosphoinositide-linked metabotropic glutamate receptors, suggesting that Homer mediates a novel cellular mechanism that regulates glutamate signalling.
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Members of the Vesl/Homer protein family have now been identified in other excitable cells in various muscle types and in a large number of nonexcitable cells.
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Data show that PMCA “b” splice forms interact promiscuously but also with specificity with different members of the PSD95 family of SAPs, which may play a role in the recruitment and maintenance of the PMCA at specific membrane domains involved in local Ca2+ regulation.
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