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Richard J. Debus

D-Index & Metrics

Biology and Biochemistry

D-Index
50
Citations
9607
World Ranking
17591
National Ranking
7216

Richard J. Debus publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Richard J. Debus sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 106 publications — 7th percentile

7% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Richard J. Debus D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Richard J. Debus sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 50 D-Index — 11th percentile

11% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Research.com Recognitions

  • 2009 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Richard J. Debus is affiliated with the University of California, Riverside in the United States. Their research primarily focuses on biochemistry, genetics, and molecular biology, with detailed work spanning molecular biology, atomic and molecular physics and optics, cellular and molecular neuroscience, plant science, and renewable energy, sustainability, and the environment.

The main topics of their work include photosynthetic processes and mechanisms, spectroscopy and quantum chemical studies, photoreceptor and optogenetics research, mitochondrial function and pathology, ATP synthase and ATPases research, metalloenzymes and iron-sulfur proteins, and metal-catalyzed oxygenation mechanisms.

Richard J. Debus has published extensively in a range of scientific journals. Frequent venues include:

  • Journal of Biological Chemistry
  • Biochemistry
  • Proceedings of the National Academy of Sciences
  • Photosynthesis Research
  • Joule

Recent papers illustrate a focus on photosystem II, structural biology, and spectroscopic characterization. These papers include:

  • High-resolution cryo-electron microscopy structure of photosystem II from the mesophilic cyanobacterium, Synechocystis sp. PCC 6803 (2021), Proceedings of the National Academy of Sciences
  • Structure of a monomeric photosystem II core complex from a cyanobacterium acclimated to far-red light reveals the functions of chlorophylls d and f (2021), Journal of Biological Chemistry
  • Cryo-EM Structure of Monomeric Photosystem II from Synechocystis sp. PCC 6803 Lacking the Water-Oxidation Complex (2020), Joule
  • The exchange of the fast substrate water in the S2 state of photosystem II is limited by diffusion of bulk water through channels - implications for the water oxidation mechanism (2021), Chemical Science
  • Pulse EPR Spectroscopic Characterization of the S3 State of the Oxygen-Evolving Complex of Photosystem II Isolated from Synechocystis (2020), Biochemistry

Their frequent co-authors reflect ongoing collaborations, featuring:

  • Gary W. Brudvig
  • David A. Flesher
  • Christopher J. Gisriel
  • Jimin Wang
  • Víctor S. Batista

Richard J. Debus was recognized as a Fellow of the American Association for the Advancement of Science (AAAS) in 2009.

Best Publications

  • The manganese and calcium ions of photosynthetic oxygen evolution.

    Richard J. Debus

  • Site-directed mutagenesis identifies a tyrosine radical involved in the photosynthetic oxygen-evolving system

    Richard J. Debus;Bridgette A. Barry;Gerald T. Babcock;Lee McIntosh

  • Directed mutagenesis indicates that the donor to P 680+ in photosystem II is tyrosine-161 of the D1 polypeptide

    R. J. Debus;B. A. Barry;I. Sithole;Gerald T. Babcock

  • Water oxidation in photosystem II: from radical chemistry to multielectron chemistry.

    Gerald T. Babcock;B. A. Barry;R. J. Debus;C. W. Hoganson

  • Amino acid residues that influence the binding of manganese or calcium to photosystem II. 1. The lumenal interhelical domains of the D1 polypeptide.

    Hsiu-An Chu;Anh P. Nguyen;Richard J. Debus

  • Amino acid residues that modulate the properties of tyrosine YZ and the manganese cluster in the water oxidizing complex of photosystem II

    Richard J Debus

  • Role of D1-His190 in proton-coupled electron transfer reactions in photosystem II: a chemical complementation study.

    Anna Maria A. Hays;Ilya R. Vassiliev;John H. Golbeck;Richard J. Debus

  • Protein Ligation of the Photosynthetic Oxygen-Evolving Center

    Richard J. Debus

  • Evidence that the C-terminus of the D1 polypeptide of photosystem II is ligated to the manganese ion that undergoes oxidation during the S1 to S2 transition: an isotope-edited FTIR study.

    Hsiu-An Chu;Warwick Hillier;Richard J. Debus

  • Role of D1-His190 in the proton-coupled oxidation of tyrosine YZ in manganese-depleted photosystem II.

    Anna Maria A. Hays;Ilya R. Vassiliev;John H. Golbeck;Richard J. Debus

  • Construction of an Obligate Photoheterotrophic Mutant of the Cyanobacterium Synechocystis 6803 Inactivation of the psbA Gene Family

    Christer Jansson;Richard J. Debus;Heinz D. Osiewacz;Michael Gurevitz

  • Amino acid residues that influence the binding of manganese or calcium to photosystem II. 2. The carboxy-terminal domain of the D1 polypeptide.

    Hsiu-An Chu;Anh P. Nguyen;Richard J. Debus

  • Site-directed photosystem II mutants with perturbed oxygen-evolving properties. 1. Instability or inefficient assembly of the manganese cluster in vivo.

    Hsiu-An Chu;Anh P. Nguyen;Richard J. Debus

  • FTIR studies of metal ligands, networks of hydrogen bonds, and water molecules near the active site Mn4CaO5 cluster in Photosystem II

    Richard J. Debus

  • Rapid formation of the stable tyrosyl radical in photosystem II

    Peter Faller;Richard J. Debus;Klaus Brettel;Miwa Sugiura

  • No evidence from FTIR difference spectroscopy that glutamate-189 of the D1 polypeptide ligates a Mn ion that undergoes oxidation during the S0 to S1, S1 to S2, or S2 to S3 transitions in photosystem II.

    Melodie A Strickler;Warwick Hillier;Richard John Debus

  • Evidence from FTIR difference spectroscopy that D1-Asp61 influences the water reactions of the oxygen-evolving Mn4CaO5 cluster of photosystem II.

    Richard J. Debus

  • Evidence from biosynthetically incorporated strontium and FTIR difference spectroscopy that the C-terminus of the D1 polypeptide of photosystem II does not ligate calcium.

    Melodie A Strickler;Lee M Walker;Warwick Hillier;Richard John Debus

  • Evidence from FTIR Difference Spectroscopy of an Extensive Network of Hydrogen Bonds near the Oxygen-Evolving Mn4Ca Cluster of Photosystem II Involving D1-Glu65, D2-Glu312, and D1-Glu329

    Warwick Hillier;Richard John Debus

  • Evidence from directed mutagenesis that aspartate 170 of the D1 polypeptide influences the assembly and/or stability of the manganese cluster in the photosynthetic water-splitting complex.

    Renee J. Boerner;Anh P. Nguyen;Bridgette A. Barry;Richard J. Debus

Frequent Co-Authors

Gary W. Brudvig
Gary W. Brudvig Yale University
R. David Britt
R. David Britt University of California, Davis
Wolfgang Junge
Wolfgang Junge Osnabrück University
Junko Yano
Junko Yano Lawrence Berkeley National Laboratory
Johannes Messinger
Johannes Messinger Umeå University
Victor S. Batista
Victor S. Batista Yale University
Lee McIntosh
Lee McIntosh Michigan State University
John H. Golbeck
John H. Golbeck Pennsylvania State University
Gerald T. Babcock
Gerald T. Babcock Michigan State University
Peter Faller
Peter Faller University of Strasbourg

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Best Scientists Citing Richard J. Debus

Takumi Noguchi

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Gary W. Brudvig

Gary W. Brudvig

Yale University

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Stenbjörn Styring

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Uppsala University

Publications: 71

Johannes Messinger

Johannes Messinger

Umeå University

Publications: 62

Alain Boussac

Alain Boussac

Centre national de la recherche scientifique, CNRS

Publications: 56

Jian-Ren Shen

Jian-Ren Shen

Okayama University

Publications: 56

Holger Dau

Holger Dau

Freie Universität Berlin

Publications: 50

Vittal K. Yachandra

Vittal K. Yachandra

Lawrence Berkeley National Laboratory

Publications: 44

James Barber

James Barber

Imperial College London

Publications: 43

Gernot Renger

Gernot Renger

Technical University of Berlin

Publications: 40

Suleyman I. Allakhverdiev

Suleyman I. Allakhverdiev

Russian Academy of Sciences

Publications: 33

R. David Britt

R. David Britt

University of California, Davis

Publications: 31

Michael Haumann

Michael Haumann

Freie Universität Berlin

Publications: 30

Peter J. Nixon

Peter J. Nixon

Imperial College London

Publications: 30

Jan Kern

Jan Kern

Lawrence Berkeley National Laboratory

Publications: 29

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Wolfgang Lubitz

Max Planck Society

Publications: 29

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