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An ER Locating Protein Named RCN2 Interacts With STIM1-Orai1 Complex / 生物化学与生物物理进展
Progress in Biochemistry and Biophysics ; (12): 1247-1253, 2008.
Artículo en Chino | WPRIM | ID: wpr-406890
ABSTRACT
STIM1 is recognized as an ER Ca2+ sensor of calcium release-activated calcium (CRAC) channel that is constructed by membrane protein Orai1, However, this regulatory system may also be regulated by other proteins. Reticulocalbin 2 (RCN2) was purified and identified from STIM1-Orai1 complex. Confocal microscopy revealed that RCN2 co-localized with STIM1 in ER before and after Ca2+ store depletion. Single cell [Ca2+]I measurements of RCN2 EF hands mutant showed slight influence on SOC electrophysiological characters. Furthermore, a novel collar form aggregation of RCN2 surrounding STIM1 clusters suggested that RCN2 potentially plays a role of structure maintenance in STIM1 clustering.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Progress in Biochemistry and Biophysics Año: 2008 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Progress in Biochemistry and Biophysics Año: 2008 Tipo del documento: Artículo