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First glance on the three-dimensional structure of the photosynthetic reaction center from a herbicide-resistant Rhodopseudomonas viridis mutant

  • A first model of the three-dimensional structure of the photosynthetic reaction center of the mutant T1 (SerL 223 → Ala, ArgL 217 → His) from Rhodopseudomonas viridis, resistant toward the triazine herbicide terbutryn (2-methylthio-4-ethylamino-6-f-butylamino-5-triazine), has been developed from X-ray data measured to a resolution of 2.5 Å. The secondary quinone, QB, which in T1 binds better than in the wild type, is present in the crystals. Both substituted residues are clearly visible in the difference fourier map. The replacement of these two residues in the QB site causes only minor changes in the overall structure of the protein.

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Metadaten
Author:Irmgard SinningORCiDGND, Jürgen Köpke, Barbara Schiller, Hartmut MichelORCiDGND
URN:urn:nbn:de:hebis:30:3-799095
DOI:https://doi.org/10.1515/znc-1990-0525
ISSN:0939-5075
ISSN:1865-7125
Parent Title (German):Zeitschrift für Naturforschung, C
Publisher:Verlag der Zeitschrift für Naturforschung
Place of publication:Tübingen
Document Type:Article
Language:English
Date of Publication (online):2014/06/02
Year of first Publication:1990
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2024/02/06
Tag:Herbicide Resistance; Photosynthetic Reaction Center; Terbutryn; Three-Dimensional Structure
Volume:45.1990
Issue:5
Page Number:4
First Page:455
Last Page:458
Institutes:Biowissenschaften
Angeschlossene und kooperierende Institutionen / MPI für Biophysik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 57 Biowissenschaften; Biologie / 570 Biowissenschaften; Biologie
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung-Nicht kommerziell-Keine Bearbeitung 3.0