Barbara Zambelli

Nickel trafficking: insights into the fold and function of UreE, a urease metallochaperone.

UreG, a chaperone in the urease assembly process, is an intrinsically unstructured GTPase that specifically binds Zn2+.

The nickel site of Bacillus pasteurii UreE, a urease metallo-chaperone, as revealed by metal-binding studies and X-ray absorption spectroscopy.

Intrinsically disordered structure of Bacillus pasteurii UreG as revealed by steady-state and time-resolved fluorescence spectroscopy.

Biochemical studies on Mycobacterium tuberculosis UreG and comparative modeling reveal structural and functional conservation among the bacterial UreG family.

A model-based proposal for the role of UreF as a GTPase-activating protein in the urease active site biosynthesis.

The Ni2+ binding properties of Helicobacter pylori NikR.

Zn2+-linked dimerization of UreG from Helicobacter pylori, a chaperone involved in nickel trafficking and urease activation.

High-affinity Ni2+ binding selectively promotes binding of Helicobacter pylori NikR to its target urease promoter.

Structural characterization of binding of Cu(II) to tau protein.

The RNA hydrolysis and the cytokinin binding activities of PR-10 proteins are differently performed by two isoforms of the Pru p 1 peach major allergen and are possibly functionally related.

Helicobacter pylori UreE, a urease accessory protein: specific Ni(2+)- and Zn(2+)-binding properties and interaction with its cognate UreG.

Chiral recognition of 2-(3-benzoylphenyl)propionic acid (ketoprofen) by serum albumin: an investigation with microcalorimetry, circular dichroism and molecular modelling.

Stereoselective interaction of ketoprofen enantiomers with β-cyclodextrin: ground state binding and photochemistry.

Affinity of the anthracycline antitumor drugs Doxorubicin and Sabarubicin for human telomeric G-quadruplex structures.

Zinc inhibition of bacterial cytochrome bc(1) reveals the role of cytochrome b E295 in proton release at the Q(o) site.

Chemistry of Ni2+ in urease: sensing, trafficking, and catalysis.

Complexes of the antitumoral drugs Doxorubicin and Sabarubicin with telomeric G-quadruplex in basket conformation: ground and excited state properties.

Insights in the (un)structural organization of Bacillus pasteurii UreG, an intrinsically disordered GTPase enzyme.

Crystallographic and X-ray absorption spectroscopic characterization of Helicobacter pylori UreE bound to Ni²⁺ and Zn²⁺ reveals a role for the disordered C-terminal arm in metal trafficking.

Metal ion-mediated DNA-protein interactions.

Biochemical and structural studies on native and recombinant Glycine max UreG: a detailed characterization of a plant urease accessory protein.

Engineered biosealant strains producing inorganic and organic biopolymers.

Selectivity of Ni(II) and Zn(II) binding to Sporosarcina pasteurii UreE, a metallochaperone in the urease assembly: a calorimetric and crystallographic study.

Nickel binding properties of Helicobacter pylori UreF, an accessory protein in the nickel-based activation of urease.

Nickel and human health.