Small GTPases (smG) are a 150-member family of proteins, comprising five subfamilies: Ras, Rho, Arf, Rab, and Ran-GTPases. These proteins function as molecular switches, toggling between two distinct nucleotide-bound states. Using traditional multidimensional heteronuclear NMR, even for single smGs, numerous experiments, high protein concentrations, expensive isotope labeling, and long analysis times are necessary. ^(19)F NMR of fluorinated proteins or ligands can overcome these drawbacks. Using...
[NMR paper] An NMR-based Assay for the ex vivo Determination of Soluble CD73 Activity in Serum.
An NMR-based Assay for the ex vivo Determination of Soluble CD73 Activity in Serum.
Related Articles An NMR-based Assay for the ex vivo Determination of Soluble CD73 Activity in Serum.
Anal Chem. 2020 Sep 28;:
Authors: He Y, Zhao Y, Nelson DM, Klippel A, Reily MD
Abstract
Extracellular adenosine, produced through the activity of the ecto-5'-nucleotidase CD73, elicits potent immune-suppressive effects and its upregulation in tumor cells as well as in stromal and immune cell subsets within the tumor microenvironment is hypothesized...
[ASAP] Facile, Fluorogenic Assay for Protein Histidine Phosphatase Activity
Facile, Fluorogenic Assay for Protein Histidine Phosphatase Activity
https://pubs.acs.org/appl/literatum/publisher/achs/journals/content/bichaw/0/bichaw.ahead-of-print/acs.biochem.8b00278/20180423/images/medium/bi-2018-00278c_0004.gif
Biochemistry
DOI: 10.1021/acs.biochem.8b00278
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[ASAP] Multiplexed Real-Time NMR GTPase Assay for Simultaneous Monitoring of Multiple Guanine Nucleotide Exchange Factor Activities from Human Cancer Cells and Organoids
Multiplexed Real-Time NMR GTPase Assay for Simultaneous Monitoring of Multiple Guanine Nucleotide Exchange Factor Activities from Human Cancer Cells and Organoids
Teklab Gebregiworgis, Christopher B. Marshall, Tadateru Nishikawa, Nikolina Radulovich, María-José Sandí, Zhenhao Fang, Robert Rottapel, Ming-Sound Tsao, Mitsuhiko Ikura
https://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jacsat/0/jacsat.ahead-of-print/jacs.7b13703/20180322/images/medium/ja-2017-13703a_0005.gif
Journal of the American Chemical Society
DOI: 10.1021/jacs.7b13703...
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[NMR paper] Multiplexed real-time NMR GTPase assay for simultaneous monitoring of multiple GEF activities from human cancer cells and organoids.
Multiplexed real-time NMR GTPase assay for simultaneous monitoring of multiple GEF activities from human cancer cells and organoids.
Multiplexed real-time NMR GTPase assay for simultaneous monitoring of multiple GEF activities from human cancer cells and organoids.
J Am Chem Soc. 2018 Mar 15;:
Authors: Gebregiworgis T, Marshall CB, Nishikawa T, Radulovich N, Sandi MJ, Fang Z, Rottapel R, Tsao MS, Ikura M
Abstract
Small GTPases (sGTPases) are critical switch-like regulators that mediate several important cellular functions and...
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03-16-2018 12:12 PM
[NMR paper] NMR analysis of the backbone dynamics of the small GTPase Rheb and its interaction with the regulatory protein FKBP38.
NMR analysis of the backbone dynamics of the small GTPase Rheb and its interaction with the regulatory protein FKBP38.
NMR analysis of the backbone dynamics of the small GTPase Rheb and its interaction with the regulatory protein FKBP38.
FEBS Lett. 2017 Nov 30;:
Authors: De Cicco M, Kiss L, Dames SA
Abstract
Ras homologue enriched in brain (Rheb) is a small GTPase that regulates mammalian/mechanistic target of rapamycin complex 1 (mTORC1) and, thereby, cell growth and metabolism. Cycling between the inactive GDP- and the active...
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[NMR paper] Identification of Small-Molecule Inhibitors of the HuR/RNA Interaction Using a Fluorescence Polarization Screening Assay Followed by NMR Validation.
Identification of Small-Molecule Inhibitors of the HuR/RNA Interaction Using a Fluorescence Polarization Screening Assay Followed by NMR Validation.
Related Articles Identification of Small-Molecule Inhibitors of the HuR/RNA Interaction Using a Fluorescence Polarization Screening Assay Followed by NMR Validation.
PLoS One. 2015;10(9):e0138780
Authors: Wang Z, Bhattacharya A, Ivanov DN
Abstract
The human antigen R (HuR) stabilizes many mRNAs of proto-oncogene, transcription factors, cytokines and growth factors by recognizing...