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Cited by 221

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The Ca2+ Pumps of the Endoplasmic Reticulum and Golgi Apparatus

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Vandecaetsbeek, I., Vangheluwe, P., Raeymaekers, L., Wuytack, F., Vanoevelen, J.·2011·Cold Spring Harbor Perspectives in Biology

Abstract

The various splice variants of the three SERCA- and the two SPCA-pump genes in higher vertebrates encode P-type ATPases of the P(2A) group found respectively in the membranes of the endoplasmic reticulum and the secretory pathway. Of these, SERCA2b and SPCA1a represent the housekeeping isoforms. The SERCA2b form is characterized by a luminal carboxy terminus imposing a higher affinity for cytosolic Ca(2+) compared to the other SERCAs. This is mediated by intramembrane and luminal interactions of this extension with the pump. Other known affinity modulators like phospholamban and sarcolipin decrease the affinity for Ca(2+). The number of proteins reported to interact with SERCA is rapidly growing. Here, we limit the discussion to those for which the interaction site with the ATPase is specified: HAX-1, calumenin, histidine-rich Ca(2+)-binding protein, and indirectly calreticulin, calnexin, and ERp57. The role of the phylogenetically older and structurally simpler SPCAs as transporters of Ca(2+), but also of Mn(2+), is also addressed.

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Metadata

Authors
Vandecaetsbeek, I., Vangheluwe, P., Raeymaekers, L., Wuytack, F., & Vanoevelen, J.
Venue
Cold Spring Harbor Perspectives in Biology
Published
2011-02-09
Volume
3
Issue
5
Pages
a004184-a004184
ISSN
1943-0264 (ISSN-L)
OpenAlex
W2154150494
Cited by
221
References
4
Type
posted content
Language
en
Open access
bronze

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CoChat. (2026). Citation check: The Ca2+ Pumps of the Endoplasmic Reticulum and Golgi Apparatus. https://app.cochat.ai/papers/10.1101/cshperspect.a004184
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Vandecaetsbeek, I., Vangheluwe, P., Raeymaekers, L., Wuytack, F., & Vanoevelen, J. (2011). The Ca2+ Pumps of the Endoplasmic Reticulum and Golgi Apparatus. Cold Spring Harbor Perspectives in Biology. https://doi.org/10.1101/cshperspect.a004184

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