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Jonathan G. Heddle

Researcher at Jagiellonian University

Publications -  77
Citations -  1958

Jonathan G. Heddle is an academic researcher from Jagiellonian University. The author has contributed to research in topics: DNA gyrase & DNA supercoil. The author has an hindex of 24, co-authored 68 publications receiving 1567 citations. Previous affiliations of Jonathan G. Heddle include Tokyo Institute of Technology & Nara Institute of Science and Technology.

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Crystal Structure of Hemoglobin Protease, a Heme Binding Autotransporter Protein from Pathogenic Escherichia coli

TL;DR: The crystal structure of the complete passenger domain of Hbp (110 kDa) is presented, which is the first structure from this class of serine proteases and the largest parallel β-helical structure yet solved.
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The antibiotic microcin B17 is a DNA gyrase poison: characterisation of the mode of inhibition.

TL;DR: In the presence of ATP, or the non-hydrolysable analogue 5′-adenylyl β,γ-imidodiphosphate, microcin B17 stabilises a gyrase-dependent DNA cleavage complex in a manner reminiscent of quinolones, Ca2+, or the bacterial toxin CcdB as mentioned in this paper.
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Quinolone-Binding Pocket of DNA Gyrase: Role of GyrB

TL;DR: DNA gyrase is a prokaryotic type II topoisomerase and a major target of quinolone antibacterials, and large conformational changes during the catalytic cycle of the enzyme allow these regions to come into close proximity.
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Crystal structures of the liganded and unliganded nickel-binding protein NikA from Escherichia coli.

TL;DR: This work has solved the crystal structure of NikA protein in the presence and absence of nickel, showing that it behaves as a “classical” periplasmic binding protein.