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Control of STIM and Orai function by post-translational modifications

  • Jinsy Johnson
  • , Rachel Blackman
  • , Scott Gross
  • , Jonathan Soboloff
  • Temple University

Research output: Contribution to journalReview articlepeer-review

27 Scopus citations

Abstract

Store-operated calcium entry (SOCE) is mediated by the endoplasmic reticulum (ER) Ca2+ sensors stromal interaction molecules (STIM1 and STIM2) and the plasma membrane Orai (Orai1, Orai2, Orai3) Ca2+ channels. Although primarily regulated by ER Ca2+ content, there have been numerous studies over the last 15 years demonstrating that all 5 proteins are also regulated through post-translational modification (PTM). Focusing primarily on phosphorylation, glycosylation and redox modification, this review focuses on how PTMs modulate the key events in SOCE; Ca2+ sensing, STIM translocation, Orai interaction and/or Orai1 activation.

Original languageEnglish
Article number102544
JournalCell Calcium
Volume103
DOIs
StatePublished - May 2022

Keywords

  • Calcium
  • Glycosylation
  • Nitrosylation
  • Orai1
  • Oxidation
  • Phosphorylation
  • Post-translational modification
  • STIM1
  • Oxidation-Reduction
  • Stromal Interaction Molecule 1/metabolism
  • ORAI1 Protein/metabolism
  • Calcium/metabolism
  • Calcium Signaling/physiology
  • Cell Membrane/metabolism
  • Protein Processing, Post-Translational
  • Endoplasmic Reticulum/metabolism

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