Fluorescent labeling of tetracysteine-tagged proteins in intact cells

C Hoffmann, G Gaietta, A Zürn, SR Adams, S Terrillon… - Nature protocols, 2010 - nature.com
In this paper, we provide a general protocol for labeling proteins with the membrane-
permeant fluorogenic biarsenical dye fluorescein arsenical hairpin binder–ethanedithiol …

Millisecond time-resolved solid-state NMR reveals a two-stage molecular mechanism for formation of complexes between calmodulin and a target peptide from …

J Jeon, WM Yau, R Tycko - Journal of the American Chemical …, 2020 - ACS Publications
Calmodulin (CaM) mediates a wide range of biological responses to changes in intracellular
Ca2+ concentrations through its calcium-dependent binding affinities to numerous target …

Conformational Changes in IpaD from Shigella flexneri upon Binding Bile Salts Provide Insight into the Second Step of Type III Secretion

NE Dickenson, L Zhang, CR Epler, PR Adam… - Biochemistry, 2011 - ACS Publications
Shigella flexneri uses its type III secretion apparatus (TTSA) to inject host-altering proteins
into targeted eukaryotic cells. The TTSA is composed of a basal body and an exposed …

Revealing Two-State Protein− Protein Interactions of Calmodulin by Single-Molecule Spectroscopy

R Liu, D Hu, X Tan, HP Lu - Journal of the American Chemical …, 2006 - ACS Publications
We report a single-molecule fluorescence resonance energy transfer (FRET) and
polarization study of conformational dynamics of calmodulin (CaM) interacting with a target …

Fluorophore-assisted light inactivation of calmodulin involves singlet-oxygen mediated cross-linking and methionine oxidation

P Yan, Y Xiong, B Chen, S Negash, TC Squier… - Biochemistry, 2006 - ACS Publications
Fluorophore-assisted light inactivation (FALI) permits the targeted inactivation of tagged
proteins and, when used with cell-permeable multiuse affinity probes (MAPs), offers …

Two new chiral EDTA-based metal chelates for weak alignment of proteins in solution

P Haberz, F Rodriguez-Castañeda, J Junker… - Organic …, 2006 - ACS Publications
A short synthesis of EDTA-based metal chelates that can be attached to the cysteine residue
of a protein via a disulfide bond is described. The complexes were used after coordination of …

Redox modulation of cellular metabolism through targeted degradation of signaling proteins by the proteasome

TC Squier - Antioxidants & Redox Signaling, 2006 - liebertpub.com
Under conditions of oxidative stress, the 20S proteasome plays a critical role in maintaining
cellular homeostasis through the selective degradation of oxidized and damaged proteins …

Role of Calcium in Modulating the Conformational Landscape and Peptide Binding Induced Closing of Calmodulin

C Ghosh, B Jana - The Journal of Physical Chemistry B, 2021 - ACS Publications
Metal ions play an essential role in several cellular functions. Calcium is a ubiquitous
regulator and is involved in numerous physiological processes. A class of proteins have …

The formation of viroplasm-like structures by the rotavirus NSP5 protein is calcium regulated and directed by a C-terminal helical domain

A Sen, N Sen, ER Mackow - Journal of virology, 2007 - Am Soc Microbiol
The rotavirus NSP5 protein directs the formation of viroplasm-like structures (VLS) and is
required for viroplasm formation within infected cells. In this report, we have defined signals …

De novo helical peptides as target sequences for a specific, fluorogenic protein labelling strategy

J Guy, R Castonguay, NBCR Pineda, V Jacquier… - Molecular …, 2010 - pubs.rsc.org
New methods are needed to selectively label proteins in a manner that minimally perturbs
their structures and functions. We have developed a 'small molecule'-based labelling …