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A G protein γ subunit-like domain shared between RGS11 and other RGS proteins specifies binding to G β5 subunits

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Snow, Bryan E., Krumins, Andrejs M., Brothers, Greg M., Lee, Sheu-Fen, Wall, Mark A., Chung, Stephen, Mangion, Joan, Arya, Sudha, Gilman, Alfred G., Siderovski, David P.·1998·Proceedings of the National Academy of Sciences

Abstract

Regulators of G protein signaling (RGS) proteins act as GTPase-activating proteins (GAPs) toward the α subunits of heterotrimeric, signal-transducing G proteins. RGS11 contains a G protein γ subunit-like (GGL) domain between its Dishevelled/Egl-10/Pleckstrin and RGS domains. GGL domains are also found in RGS6, RGS7, RGS9, and the Caenorhabditis elegans protein EGL-10. Coexpression of RGS11 with different G β subunits reveals specific interaction between RGS11 and G β5 . The expression of mRNA for RGS11 and G β5 in human tissues overlaps. The G β5 /RGS11 heterodimer acts as a GAP on G αo , apparently selectively. RGS proteins that contain GGL domains appear to act as GAPs for G α proteins and form complexes with specific G β subunits, adding to the combinatorial complexity of G protein-mediated signaling pathways.

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Metadata

Authors
Snow, B. E., Krumins, A. M., Brothers, G. M., Lee, S.-F., Wall, M. A., Chung, S., Mangion, J., Arya, S., Gilman, A. G., & Siderovski, D. P.
Venue
Proceedings of the National Academy of Sciences
Published
1998-10-27
Volume
95
Issue
22
Pages
13307-13312
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2016923687
Cited by
258
References
0
FWCI
7.65
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: A G protein γ subunit-like domain shared between RGS11 and other RGS proteins specifies binding to G β5 subunits. https://app.cochat.ai/papers/10.1073/pnas.95.22.13307
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Snow, B. E., Krumins, A. M., Brothers, G. M., Lee, S.-F., Wall, M. A., Chung, S., Mangion, J., Arya, S., Gilman, A. G., & Siderovski, D. P. (1998). A G protein γ subunit-like domain shared between RGS11 and other RGS proteins specifies binding to G β5 subunits. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.95.22.13307

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