Photodynamics of the small BLUF protein BlrB from Rhodobacter sphaeroides

DOI to cite this document:: 10.5283/epub.1778

Zirak, Peyman

; Penzkofer, Alfons ; Schiereis, T. ; Hegemann, P. ; Jung, A. ; Schlichting, I.

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Date of publication of this fulltext: 05 Aug 2009 13:32

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Abstract

The BLUF protein BlrB from the non-sulphur anoxyphototrophic purple bacterium Rhodobacter sphaeroides is characterized by absorption and emission spectroscopy. BlrB expressed from E coli binding FAD, FMN, and riboflavin (called BrlB(I)) and recombinant BlrB containing only FAD (called BlrB(II)) are investigated. The dark-adapted proteins exist in two different receptor conformations (receptor ...