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Cited by 649

The DOI matches its Crossref record; 19 of the 19 references it cites were found in a registry or an index.

Solubilization, purification, and characterization of an inositol trisphosphate receptor.

Open access
Supattapone, S, Worley, P F, Baraban, J M, Snyder, S H·1988·Journal of Biological Chemistry

Abstract

Inositol 1,4,5-trisphosphate is a second messenger of the phosphoinositide system which can mobilize calcium from intracellular stores. Rat cerebellum is an abundant source of a receptor for inositol 1,4,5-trisphosphate (Worley, P. F., Baraban, J. M., Supattapone, S., Wilson, V. S., and Snyder, S. H. (1987) J. Biol. Chem. 262, 12132-12136). In this study we have solubilized and purified this receptor to apparent homogeneity from rat cerebellum. Crude membrane, detergent-solubilized, and purified receptor preparations display similar selectivity for inositol 1,4,5-trisphosphate over other inositol phosphates. The purified receptor is globular with a Stokes' radius of approximately 10 nm. Electrophoretic analysis reveals one protein band with an Mr of 260,000. While binding is reversibly inhibited by 300 nM calcium in particulate fractions and detergent-solubilized membranes, the purified protein is not inhibited by calcium concentrations up to 1.5 mM. Inhibition by calcium is reconstituted by addition of detergent-solubilized cerebellar membranes, but not by the cytosolic fraction of cerebellum.

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Metadata

Authors
Supattapone, S., Worley, P. F., Baraban, J. M., & Snyder, S. H.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
1988-01
Volume
263
Issue
3
Pages
1530-1534
ISSN
0021-9258 (ISSN-L)
OpenAlex
W1598081743
Cited by
649
References
19
FWCI
34.12
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Solubilization, purification, and characterization of an inositol trisphosphate receptor. https://app.cochat.ai/papers/10.1016/s0021-9258(19)57336-7
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Supattapone, S., Worley, P. F., Baraban, J. M., & Snyder, S. H. (1988). Solubilization, purification, and characterization of an inositol trisphosphate receptor. Journal of Biological Chemistry. https://doi.org/10.1016/s0021-9258(19)57336-7

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