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Start Over Author "Ada Prochnicka-Chalufour" Journal biomolecular nmr assignments
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1. (1)H, (13)C and (15)N resonance assignments of the periplasmic signalling domain of HasR, a TonB-dependent outer membrane heme transporter

Author

Nadia Izadi-Pruneyre, Catherine Simenel, Muriel Delepierre, Idir Malki, Ada Prochnicka-Chalufour, and Gisele Cardoso de Amorim

Subjects
biology, Membrane transport protein, Cell, Membrane Transport Proteins, Transporter, Periplasmic space, biology.organism_classification, Biochemistry, Cell biology, Protein Structure, Tertiary, chemistry.chemical_compound, medicine.anatomical_structure, chemistry, Bacterial Proteins, Structural Biology, Cytoplasm, Serratia marcescens, Periplasm, biology.protein, medicine, bacteria, Bacterial outer membrane, Heme, Nuclear Magnetic Resonance, Biomolecular
Abstract

TonB-dependent transporters (TBDTs) are bacterial outer membrane proteins that internalize nutrients such as vitamin B12, metal complexes, heme, some carbohydrates, etc. In addition to their transport activity, several TBDTs are also involved in a signalling cascade from the cell surface into the cytoplasm, via their periplasmic signalling domain. Here we report the backbone and side chain resonance assignments of the signalling domain of HasR, a TonB-dependent outer membrane heme transporter from Serratia marcescens as a first step towards its structural study.

Published
2012

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