physik_image

Recent Publications

Regular Papers


 

1994  
1995   1996   1997   1998   1999  
2000   2001   2002   2003   2004  
2005   2006   2007   2008   2009
2010

  • J.A. Kyndt,, J.C. Fitch, S. Seibeck, B. Borucki, M.P. Heyn, T.E. Meyer, and M.A. Cusanovich
    Regulation of the Ppr histidine kinase by light-induced interaction between its photoactive yellow protein and bacteriophytochrome domains.
    Biochemistry 49, 1744-1754 (2010).
  • C.P. Joshi, H. Otto, D. Hoersch, T. E. Meyer, M.A. Cusanovich, and M.P. Heyn
    Strong Hydrogen Bond between Glutamic Acid 46 and Chromophore Leads to the Intermediate Spectral Form and Excited State Proton Transfer in the Y42F Mutant of the Photoreceptor Photoactive Yellow Protein.
    Biochemistry 48, 9980-9993 (2009).
  • D. Hoersch, H. Otto, M.A. Cusanovich, and M.P. Heyn
    Time-resolved spectroscopy of dye-labeled photoactive yellow protein suggests a pathway of light-induced structural changes in the N-terminal cap.
    Phys.Chem.Chem.Phys. 11, 5437-5444 (2009).
  • B. Borucki, S. Seibeck, M.P. Heyn, and T. Lamparter
    Characterization of the covalent and noncovalent adducts of Agp1 phytochrome assembled with biliverdin and phycocyanobilin by circular dichroism and flash photolysis .
    Biochemistry 48, 6305-6317 (2009).
  • D. Hoersch, H. Otto, M.A.Cusanovich, and M.P. Heyn
    Distinguishing chromophore structures of photocycle intermediates of the photoreceptor PYP by transient fluorescence and energy transfer.

    J.Phys.Chem. B 112, 9118-9125 (2008).
  • D. Hoersch, H. Otto, I. Wallat and M.P. Heyn
    Monitoring the conformational changes of photoactivated rhodopsin from  microseconds to seconds by transient fluorescence spectroscopy.
    Biochemistry 47, 11518-11527 (2008).
  • D. von Stetten, S. Seibeck, N. Michael, P. Scheerer, M.A. Mroginski, D.H. Murgida, N. Krauß, M.P. Heyn, P. Hildebrandt, B. Borucki, T. Lamparter
    Highly conserved residues D197 and H250 in Agp1 phytochrome control the proton affinity of the chromophore and Pfr formation.
    J. Biol. Chem. 282, 2116-2123 (2007)
  • J.A. Kyndt, S.N. Savvides, S. Memmi, M. Koch, J.C. Fitch, T.E. Meyer, M.P. Heyn, J.J. van Beeumen, and M.A. Cusanovich
    Structural role of tyrosine 98 in the photoactive yellow protein: effects on fluorescence, gateway and photocycle recovery.
    Biochemistry 46, 95-105 (2007).
  • D. Hoersch, H. Otto, C. P. Joshi, B. Borucki, M. A. Cusanovich, M. P. Heyn
    Role of a conserved salt bridge between the PAS core and the N-terminal domain in the activation of the photoreceptor Photoactive Yellow Protein
    Biophys. J. 93, 1687-1699 (2007).
  • S. Seibeck, B. Borucki, H. Otto, K. Inomata, H. Khawn, H. Kinoshita, N. Micheal, T. Lamparter, M. P. Heyn
    Locked 5Zs-biliverdin blocks the Meta-RA to Meta-RC transition in the functional cycle of bacteriophytochrome Agp1.
    FEBS Letters 581, 5425-5429 (2007).