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Sci. Signal., 16 November 2010
[DOI: 10.1126/scisignal.2001122]

Supplementary Materials for:

Activation of STIM1-Orai1 Involves an Intramolecular Switching Mechanism

Marek K. Korzeniowski, Isabel Martín Manjarrés, Peter Varnai, Tamas Balla*

*To whom correspondence should be addressed. E-mail: ballat{at}

This PDF file includes:

  • Fig. S1. Clustering of STIM1 cytosolic fragment in rapamycin-induced mito-PM contact zones activates Ca2+ entry.
  • Fig. S2. Clustering of Orai1 is not sufficient to increase cytosolic Ca2+ concentration.
  • Fig. S3. Inhibition of STIM1-ct–induced Ca2+ influx by 2-APB in COS-7 cells.
  • Fig. S4. Morphology of TK-driven YFP-tagged STIM1 mutant proteins in COS-7 cells without expression of Orai1.
  • Fig. S5. Western analysis showing the expression and integrity of the various STIM1-ct forms in both their recruitable (FKBP12-fused) and nonrecruitable versions.
  • Fig. S6. Effect of linker length on the ability of STIM1-ct to activate Orai1-mediated Ca2+ influx.
  • Table S1. PCR primers used to amplify the segments cloned in the various constructs.

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Citation: M. K. Korzeniowski, I. M. Manjarrés, P. Varnai, T. Balla, Activation of STIM1-Orai1 Involves an Intramolecular Switching Mechanism. Sci. Signal. 3, ra82 (2010).

© 2010 American Association for the Advancement of Science

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Science Signaling. ISSN 1937-9145 (online), 1945-0877 (print). Pre-2008: Science's STKE. ISSN 1525-8882