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Titel: Identification of a 1-deoxy-D-xylulose-5-phosphate synthase (DXS) mutant with improved crystallographic properties
VerfasserIn: Gierse, Robin M.
Reddem, Eswar R.
Alhayek, Alaa
Baitinger, Dominik
Zhoor, Hamid
Jakobi, Harald
Laber, Bernd
Lange, Gudrun
Hirsch, Anna K. H.
Groves, Matthew R.
Sprache: Englisch
Titel: Biochemical and Biophysical Research Communications
Bandnummer: 539
Seiten: 42-47
Verlag/Plattform: Elsevier
Erscheinungsjahr: 2021
Freie Schlagwörter: MEP-Pathway
Deinococcus radiodurans
1-deoxy-D-xylulose-5-phosphate synthase
(DXS)
Structure-based drug design
Antimicrobial resistance
DDC-Sachgruppe: 500 Naturwissenschaften
Dokumenttyp: Journalartikel / Zeitschriftenartikel
Abstract: In this report, we describe a truncated Deinococcus radiodurans 1-deoxy-D-xylulose-5-phosphate synthase (DXS) protein that retains enzymatic activity, while slowing protein degradation and showing improved crystallization properties. With modern drug-design approaches relying heavily on the elucidation of atomic interactions of potential new drugs with their targets, the need for co-crystal structures with the compounds of interest is high. DXS itself is a promising drug target, as it catalyzes the first reaction in the 2-C-methyl-D-erythritol 4-phosphate (MEP)-pathway for the biosynthesis of the universal precursors of terpenes, which are essential secondary metabolites. In contrast to many bacteria and pathogens, which employ the MEP pathway, mammals use the distinct mevalonate-pathway for the biosynthesis of these precursors, which makes all enzymes of the MEP-pathway potential new targets for the development of anti-infectives. However, crystallization of DXS has proven to be challenging: while the first X-ray structures from Escherichia coli and D. radiodurans were solved in 2004, since then only two additions have been made in 2019 that were obtained under anoxic conditions. The presented site of truncation can potentially also be transferred to other homologues, opening up the possibility for the determination of crystal structures from pathogenic species, which until now could not be crystallized. This manuscript also provides a further example that truncation of a variable region of a protein can lead to improved structural data.
DOI der Erstveröffentlichung: 10.1016/j.bbrc.2020.12.069
URL der Erstveröffentlichung: https://www.sciencedirect.com/science/article/pii/S0006291X20322452
Link zu diesem Datensatz: urn:nbn:de:bsz:291--ds-390582
hdl:20.500.11880/35224
http://dx.doi.org/10.22028/D291-39058
ISSN: 0006-291X
Datum des Eintrags: 16-Feb-2023
Bezeichnung des in Beziehung stehenden Objekts: Supplementary data
In Beziehung stehendes Objekt: https://ars.els-cdn.com/content/image/1-s2.0-S0006291X20322452-mmc1.docx
https://ars.els-cdn.com/content/image/1-s2.0-S0006291X20322452-mmc2.zip
Fakultät: NT - Naturwissenschaftlich- Technische Fakultät
Fachrichtung: NT - Pharmazie
Professur: NT - Prof. Dr. Anna Hirsch
Sammlung:SciDok - Der Wissenschaftsserver der Universität des Saarlandes

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