• 3464 Citations
  • 34 h-Index
1984 …2022

Research output per year

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Research Output

  • 3464 Citations
  • 34 h-Index
  • 82 Article
  • 5 Review article
  • 2 Chapter
  • 1 Letter
2019

Bound manganese oxides capable of reducing the bacteriochlorophyll dimer of modified reaction centers from Rhodobacter sphaeroides

Espiritu, E., Chamberlain, K. D., Williams, J. A. C. & Allen, J. P., Jan 1 2019, (Accepted/In press) In : Photosynthesis research.

Research output: Contribution to journalArticle

1 Scopus citations
2018

Influence of the Electrochemical Properties of the Bacteriochlorophyll Dimer on Triplet Energy-Transfer Dynamics in Bacterial Reaction Centers

Mandal, S., Espiritu, E., Akram, N., Lin, S., Williams, J., Allen, J. & Woodbury, N., Nov 8 2018, In : Journal of Physical Chemistry B. 122, 44, p. 10097-10107 11 p.

Research output: Contribution to journalArticle

2017

Binding and Energetics of Electron Transfer between an Artificial Four-Helix Mn-Protein and Reaction Centers from Rhodobacter sphaeroides

Espiritu, E., Olson, T. L., Williams, J. & Allen, J., Dec 12 2017, In : Biochemistry. 56, 49, p. 6460-6469 10 p.

Research output: Contribution to journalArticle

1 Scopus citations

Biochemical and spectroscopic characterization of dinuclear Mn-sites in artificial four-helix bundle proteins

Olson, T. L., Espiritu, E., Edwardraja, S., Canarie, E., Flores, M., Williams, J., Ghirlanda, G. & Allen, J., Dec 1 2017, In : Biochimica et Biophysica Acta - Bioenergetics. 1858, 12, p. 945-954 10 p.

Research output: Contribution to journalArticle

6 Scopus citations

Mechanism of Triplet Energy Transfer in Photosynthetic Bacterial Reaction Centers

Mandal, S., Carey, A. M., Locsin, J., Gao, B. R., Williams, J., Allen, J., Lin, S. & Woodbury, N., Jul 13 2017, In : Journal of Physical Chemistry B. 121, 27, p. 6499-6510 12 p.

Research output: Contribution to journalArticle

7 Scopus citations
2016

Design of dinuclear manganese cofactors for bacterial reaction centers

Olson, T. L., Espiritu, E., Edwardraja, S., Simmons, C. R., Williams, J., Ghirlanda, G. & Allen, J., May 1 2016, In : Biochimica et Biophysica Acta - Bioenergetics. 1857, 5, p. 539-547 9 p.

Research output: Contribution to journalArticle

8 Scopus citations
2015

Copper Environment in Artificial Metalloproteins Probed by Electron Paramagnetic Resonance Spectroscopy

Flores, M., Olson, T. L., Wang, D., Edwardraja, S., Shinde, S., Williams, J., Ghirlanda, G. & Allen, J., Oct 29 2015, In : Journal of Physical Chemistry B. 119, 43, p. 13825-13833 9 p.

Research output: Contribution to journalArticle

7 Scopus citations
2014

Energetics of cofactors in photosynthetic complexes: Relationship between protein-cofactor interactions and midpoint potentials

Allen, J. & Williams, J., Jan 1 2014, The Biophysics of Photosynthesis. Springer New York, p. 275-295 21 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

7 Scopus citations

Interface for light-driven electron transfer by photosynthetic complexes across block copolymer membranes

Kuang, L., Olson, T. L., Lin, S., Flores, M., Jiang, Y., Zheng, W., Williams, J., Allen, J. & Liang, H., Mar 6 2014, In : Journal of Physical Chemistry Letters. 5, 5, p. 787-791 5 p.

Research output: Contribution to journalArticle

9 Scopus citations

The three-dimensional structures of bacterial reaction centers

Olson, T. L., Williams, J. & Allen, J., Jan 1 2014, In : Photosynthesis research. 120, 1-2, p. 87-98 12 p.

Research output: Contribution to journalReview article

10 Scopus citations
2013
14 Scopus citations
2012

Light-driven oxygen production from superoxide by Mn-binding bacterial reaction centers

Allen, J., Olson, T. L., Oyala, P., Lee, W. J., Tufts, A. A. & Williams, J., Feb 14 2012, In : Proceedings of the National Academy of Sciences of the United States of America. 109, 7, p. 2314-2318 5 p.

Research output: Contribution to journalArticle

15 Scopus citations
2011
10 Scopus citations

Energetics for Oxidation of a Bound Manganese Cofactor in Modified Bacterial Reaction Centers

Kálmán, L., Williams, J. & Allen, J., Apr 26 2011, In : Biochemistry. 50, 16, p. 3310-3320 11 p.

Research output: Contribution to journalArticle

11 Scopus citations

Light-induced conformational changes in photosynthetic reaction centers: Impact of detergents and lipids on the electronic structure of the primary electron donor

Deshmukh, S. S., Akhavein, H., Williams, J., Allen, J. & Kálmán, L., Jun 14 2011, In : Biochemistry. 50, 23, p. 5249-5262 14 p.

Research output: Contribution to journalArticle

9 Scopus citations

Light-induced conformational changes in photosynthetic reaction centers: Dielectric relaxation in the vicinity of the dimer

Deshmukh, S. S., Williams, J., Allen, J. & Kálmán, L., Jan 25 2011, In : Biochemistry. 50, 3, p. 340-348 9 p.

Research output: Contribution to journalArticle

13 Scopus citations

Light-Induced Conformational Changes in Photosynthetic Reaction Centers: Redox-Regulated Proton Pathway near the Dimer

Deshmukh, S. S., Williams, J., Allen, J. & Kálmán, L., Apr 26 2011, In : Biochemistry. 50, 16, p. 3321-3331 11 p.

Research output: Contribution to journalArticle

12 Scopus citations
23 Scopus citations
2010

Electronic structure of Fe3+ at a metal-binding site introduced in modified bacterial reaction centers

Kálmán, L., Flores, M., Williams, J. & Allen, J., Jan 1 2010, In : Applied Magnetic Resonance. 37, 1, p. 27-37 11 p.

Research output: Contribution to journalArticle

2 Scopus citations

The influence of hydrogen bonds on the electronic structure of light-harvesting complexes from photosynthetic bacteria

Uyeda, G., Williams, J., Roman, M., Mattioli, T. A. & Allen, J., Feb 16 2010, In : Biochemistry. 49, 6, p. 1146-1159 14 p.

Research output: Contribution to journalArticle

23 Scopus citations
2009

Effect of anions on the binding and oxidation of divalent manganese and iron in modified bacterial reaction centers

Tang, K., Williams, J., Allen, J. & Kálmán, L., Jan 1 2009, In : Biophysical journal. 96, 8, p. 3295-3304 10 p.

Research output: Contribution to journalArticle

8 Scopus citations

EPR, ENDOR, and Special TRIPLE measurements of P•+ in wild type and modified reaction centers from Rb. sphaeroides

Allen, J., Cordova, J. M., Jolley, C. C., Murray, T. A., Schneider, J. W., Woodbury, N., Williams, J., Niklas, J., Klihm, G., Reus, M. & Lubitz, W., Jan 1 2009, In : Photosynthesis research. 99, 1, p. 1-10 10 p.

Research output: Contribution to journalArticle

11 Scopus citations

Unusual temperature dependence of photosynthetic electron transfer due to protein dynamics

Wang, H., Lin, S., Katilius, E., Laser, C., Allen, J., Williams, J. & Woodbury, N., Jan 22 2009, In : Journal of Physical Chemistry B. 113, 3, p. 818-824 7 p.

Research output: Contribution to journalArticle

31 Scopus citations
2008

Comparison of bacterial reaction centers and photosystem II

Kálmán, L., Williams, J. & Allen, J., Oct 1 2008, In : Photosynthesis research. 98, 1-3, p. 643-655 13 p.

Research output: Contribution to journalReview article

16 Scopus citations

Reaction Centers from Purple Bacteria

Allen, J. & Williams, J., Sep 5 2008, Photosynthetic Protein Complexes: A Structural Approach. Wiley-VCH Verlag GmbH & Co. KGaA, p. 275-293 19 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

8 Scopus citations
2007

Changes in metal specificity due to iron ligand substitutions in reaction centers from Rhodobacter sphaeroides

Williams, J., Paddock, M. L., Way, Y. P. & Allen, J., Jan 1 2007, In : Applied Magnetic Resonance. 31, 1-2, p. 45-58 14 p.

Research output: Contribution to journalArticle

3 Scopus citations

Protein dynamics control the kinetics of initial electron transfer in photosynthesis

Wang, H., Lin, S., Allen, J., Williams, J., Blankert, S., Laser, C. & Woodbury, N., May 4 2007, In : Science. 316, 5825, p. 747-750 4 p.

Research output: Contribution to journalArticle

188 Scopus citations

Reduction of the oxidized bacteriochlorophyll dimer in reaction centers by ferrocene is dependent upon the driving force

Kálmán, L., Haffa, A. L. M., Williams, J., Woodbury, N. & Allen, J., Jan 1 2007, In : Journal of Porphyrins and Phthalocyanines. 11, 3-4, p. 205-211 7 p.

Research output: Contribution to journalArticle

3 Scopus citations
2006

Iron as a bound secondary electron donor in modified bacterial reaction centers

Kálmán, L., LoBrutto, R., Williams, J. & Allen, J., Nov 21 2006, In : Biochemistry. 45, 46, p. 13869-13874 6 p.

Research output: Contribution to journalArticle

7 Scopus citations
2005

Design of a redox-linked active metal site: Manganese bound to bacterial reaction centers at a site resembling that of photosystem II

Thielges, M., Uyeda, G., Cámara-Artigas, A., Kálmán, L., Williams, J. C. & Allen, J. P., May 24 2005, In : Biochemistry. 44, 20, p. 7389-7394 6 p.

Research output: Contribution to journalArticle

47 Scopus citations

Environmental control of primary photochemistry in a mutant bacterial reaction center

Haffa, A. L. M., Lin, S., LoBrutto, R., Williams, J., Taguchi, A. K. W., Allen, J. & Woodbury, N., Oct 27 2005, In : Journal of Physical Chemistry B. 109, 42, p. 19923-19928 6 p.

Research output: Contribution to journalArticle

3 Scopus citations

Proton release due to manganese binding and oxidation in modified bacterial reaction centers

Kálmán, L., Thielges, M. C., Williams, J. & Allen, J., Oct 11 2005, In : Biochemistry. 44, 40, p. 13266-13273 8 p.

Research output: Contribution to journalArticle

14 Scopus citations
2004

Controlling the pathway of photosynthetic charge separation in bacterial reaction centers

Haffa, A. L. M., Lin, S., Williams, J., Bowen, B. P., Taguchi, A. K. W., Allen, J. & Woodbury, N., Jan 8 2004, In : Journal of Physical Chemistry B. 108, 1, p. 4-7 4 p.

Research output: Contribution to journalLetter

26 Scopus citations

Dependence of tyrosine oxidation in highly oxidizing bacterial reaction centers on pH and free-energy difference

Kálmán, L., Narváez, A. J., LoBrutto, R., Williams, J. C. & Allen, J. P., Oct 12 2004, In : Biochemistry. 43, 40, p. 12905-12912 8 p.

Research output: Contribution to journalArticle

7 Scopus citations

Increasing the Rate of Energy Transfer between the LHI Antenna and the Reaction Center in the Photosynthetic Bacterium Rhodobacter sphaeroides

Katiliene, Z., Katilius, E., Uyeda, G. H., Williams, J. & Woodbury, N., Mar 25 2004, In : Journal of Physical Chemistry B. 108, 12, p. 3863-3870 8 p.

Research output: Contribution to journalArticle

4 Scopus citations

Trapped tyrosyl radical populations in modified reaction centers from Rhodobacter sphaeroides

Narváez, A. J., LoBrutto, R., Allen, J. & Williams, J., Nov 16 2004, In : Biochemistry. 43, 45, p. 14379-14384 6 p.

Research output: Contribution to journalArticle

13 Scopus citations
2003

Correlation of Proton Release and Electrochromic Shifts of the Optical Spectrum Due to Oxidation of Tyrosine in Reaction Centers from Rhodobacter sphaeroides

Kálmán, L., LoBrutto, R., Narváez, A. J., Williams, J. & Allen, J., Nov 18 2003, In : Biochemistry. 42, 45, p. 13280-13286 7 p.

Research output: Contribution to journalArticle

10 Scopus citations

High Yield of Long-Lived B-Side Charge Separation at Room Temperature in Mutant Bacterial Reaction Centers

Haffa, A. L. M., Lin, S., Williams, J., Taguchi, A. K. W., Allen, J. & Woodbury, N., Nov 13 2003, In : Journal of Physical Chemistry B. 107, 45, p. 12503-12510 8 p.

Research output: Contribution to journalArticle

21 Scopus citations

Manganese oxidation by modified reaction centers from Rhodobacter sphaeroides

Kálmán, L., LoBrutto, R., Allen, J. & Williams, J., Sep 23 2003, In : Biochemistry. 42, 37, p. 11016-11022 7 p.

Research output: Contribution to journalArticle

28 Scopus citations

Proton release upon oxidation of tyrosine in reaction centers from Rhodobacter sphaeroides

Kálmán, L., Williams, J. & Allen, J., Jun 19 2003, In : FEBS Letters. 545, 2-3, p. 193-198 6 p.

Research output: Contribution to journalArticle

8 Scopus citations
2002

Electronic and vibronic coupling of the special pair of bacteriochlorophylls in photosynthetic reaction centers from wild-type and mutant strains of Rhodobacter Sphaeroides

Johnson, E. T., Müh, F., Nabedryk, E., Williams, J., Allen, J., Lubitz, W., Breton, J. & Parson, W. W., Nov 14 2002, In : Journal of Physical Chemistry B. 106, 45, p. 11859-11869 11 p.

Research output: Contribution to journalArticle

39 Scopus citations

Influence of the protein environment on the properties of a tyrosyl radical in reaction centers from Rhodobacter sphaeroides

Narváez, A. J., Kálmán, L., LoBrutto, R., Allen, J. & Williams, J., Dec 24 2002, In : Biochemistry. 41, 51, p. 15253-15258 6 p.

Research output: Contribution to journalArticle

20 Scopus citations

Pigment-protein interactions in bacterial reaction centers and their influence on oxidation potential and spin density distribution of the primary donor

Müh, F., Lendzian, F., Roy, M., Williams, J. A. C., Allen, J. P. & Lubitz, W., Mar 28 2002, In : Journal of Physical Chemistry B. 106, 12, p. 3226-3236 11 p.

Research output: Contribution to journalArticle

53 Scopus citations

The dependence of the initial electron-transfer rate on driving force in Rhodobacter sphaeroides reaction centers

Haffa, A. L. M., Lin, S., Katilius, E., Williams, J., Taguchi, A. K. W., Allen, J. & Woodbury, N., Jul 25 2002, In : Journal of Physical Chemistry B. 106, 29, p. 7376-7384 9 p.

Research output: Contribution to journalArticle

50 Scopus citations

The influence of detergents on the solubility of membrane proteins

Rosenow, M. A., Magee, C. L., Williams, J. & Allen, J., Dec 1 2002, In : Acta Crystallographica Section D: Biological Crystallography. 58, 12, p. 2076-2081 6 p.

Research output: Contribution to journalArticle

12 Scopus citations
2001
8 Scopus citations

Electrostatic interactions between charged amino acid residues and the bacteriochlorophyll dimer in reaction centers from rhodobacter sphaeroides

Williams, J., Haffa, A. L. M., McCulley, J. L., Woodbury, N. & Allen, J., Dec 18 2001, In : Biochemistry. 40, 50, p. 15403-15407 5 p.

Research output: Contribution to journalArticle

37 Scopus citations