Haumann M - Search Results

1

Eight steps preceding O-O bond formation in oxygenic photosynthesis--a basic reaction cycle of the Photosystem II manganese complex.

Dau H, Haumann M. Dau H, et al. Among authors: haumann m. Biochim Biophys Acta. 2007 Jun;1767(6):472-83. doi: 10.1016/j.bbabio.2007.02.022. Epub 2007 Mar 12. Biochim Biophys Acta. 2007. PMID: 17442260 Free article. Review.

On the basis of structural and spectroscopic data, we recently have introduced a basic reaction cycle of water oxidation which extends the classical S-state cycle [B. Kok, B. Forbush, M. McGloin, Cooperation of charges in photosynthetic O2 evolution- I. ...Photobiol. 11 (1 …

On the basis of structural and spectroscopic data, we recently have introduced a basic reaction cycle of water oxidation which extends the c …

2

The first room-temperature X-ray absorption spectra of higher oxidation states of the tetra-manganese complex of photosystem II.

Haumann M, Grabolle M, Neisius T, Dau H. Haumann M, et al. FEBS Lett. 2002 Feb 13;512(1-3):116-20. doi: 10.1016/s0014-5793(02)02237-8. FEBS Lett. 2002. PMID: 11852063 Free article.

3

The role of zinc in the methylation of the coenzyme M thiol group in methanol:coenzyme M methyltransferase from Methanosarcina barkeri.

Krüer M, Haumann M, Meyer-Klaucke W, Thauer RK, Dau H. Krüer M, et al. Among authors: haumann m. Eur J Biochem. 2002 Apr;269(8):2117-23. doi: 10.1046/j.1432-1033.2002.02860.x. Eur J Biochem. 2002. PMID: 11985589 Free article.

4

First steps towards time-resolved BioXAS at room temperature: state transitions of the manganese complex of oxygenic photosynthesis.

Haumann M, Pospísil P, Grabolle M, Müller C, Liebisch P, Solé VA, Neisius T, Dittmer J, Iuzzolino L, Dau H. Haumann M, et al. J Synchrotron Radiat. 2002 Sep 1;9(Pt 5):304-8. doi: 10.1107/s0909049502012955. Epub 2002 Aug 31. J Synchrotron Radiat. 2002. PMID: 12200574

5

X-ray absorption spectroscopy to watch catalysis by metalloenzymes: status and perspectives discussed for the water-splitting manganese complex of photosynthesis.

Dau H, Haumann M. Dau H, et al. Among authors: haumann m. J Synchrotron Radiat. 2003 Jan 1;10(Pt 1):76-85. doi: 10.1107/s090904950201720x. Epub 2002 Dec 24. J Synchrotron Radiat. 2003. PMID: 12511796

6

X-ray absorption spectroscopy to analyze nuclear geometry and electronic structure of biological metal centers--potential and questions examined with special focus on the tetra-nuclear manganese complex of oxygenic photosynthesis.

Dau H, Liebisch P, Haumann M. Dau H, et al. Among authors: haumann m. Anal Bioanal Chem. 2003 Jul;376(5):562-83. doi: 10.1007/s00216-003-1982-2. Epub 2003 Jun 11. Anal Bioanal Chem. 2003. PMID: 12802563

7

Hydrogen-induced structural changes at the nickel site of the regulatory [NiFe] hydrogenase from Ralstonia eutropha detected by X-ray absorption spectroscopy.

Haumann M, Porthun A, Buhrke T, Liebisch P, Meyer-Klaucke W, Friedrich B, Dau H. Haumann M, et al. Biochemistry. 2003 Sep 23;42(37):11004-15. doi: 10.1021/bi034804d. Biochemistry. 2003. PMID: 12974636

8

Substrate binding to vanadate-dependent bromoperoxidase from Ascophyllum nodosum: a vanadium K-edge XAS approach.

Christmann U, Dau H, Haumann M, Kiss E, Liebisch P, Rehder D, Santoni G, Schulzke C. Christmann U, et al. Among authors: haumann m. Dalton Trans. 2004 Aug 21;(16):2534-40. doi: 10.1039/B405764C. Epub 2004 Jul 20. Dalton Trans. 2004. PMID: 15303169

9

A novel BioXAS technique with sub-millisecond time resolution to track oxidation state and structural changes at biological metal centers.

Haumann M, Müller C, Liebisch P, Neisius T, Dau H. Haumann M, et al. J Synchrotron Radiat. 2005 Jan;12(Pt 1):35-44. doi: 10.1107/S0909049504027803. Epub 2004 Dec 23. J Synchrotron Radiat. 2005. PMID: 15616363

10

Structural and oxidation-state changes at its nonstandard Ni-Fe site during activation of the NAD-reducing hydrogenase from Ralstonia eutropha detected by X-ray absorption, EPR, and FTIR spectroscopy.

Burgdorf T, Löscher S, Liebisch P, Van der Linden E, Galander M, Lendzian F, Meyer-Klaucke W, Albracht SP, Friedrich B, Dau H, Haumann M. Burgdorf T, et al. Among authors: haumann m. J Am Chem Soc. 2005 Jan 19;127(2):576-92. doi: 10.1021/ja0461926. J Am Chem Soc. 2005. PMID: 15643882

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