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Koichiro Ishimori

Koichiro Ishimori

Hokkaido University
Japan

D-Index & Metrics

Chemistry

D-Index
47
Citations
6645
World Ranking
15783
National Ranking
1243

Koichiro Ishimori publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Koichiro Ishimori sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 260 publications — 53rd percentile

53% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Koichiro Ishimori D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Koichiro Ishimori sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 47 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Koichiro Ishimori is affiliated with Hokkaido University in Japan and has a research focus primarily in the field of Biochemistry, Genetics and Molecular Biology. Their work spans a range of subfields, including Molecular Biology, Cellular and Molecular Neuroscience, Cell Biology, Materials Chemistry, and Immunology.

The scientist's research interests reflect a concentration on several main topics, such as:

  • Heat shock proteins research
  • Protein Structure and Dynamics
  • Photosynthetic Processes and Mechanisms
  • Photoreceptor and optogenetics research
  • Enzyme Structure and Function
  • Hemoglobin structure and function
  • Spectroscopy and Quantum Chemical Studies

Koichiro Ishimori has contributed to various scientific papers published mainly between 2020 and 2023. Notable recent publications include:

  • "C9orf72-derived arginine-rich poly-dipeptides impede phase modifiers," 2021, Nature Communications
  • "Functional cooperativity between the trigger factor chaperone and the ClpXP proteolytic complex," 2021, Nature Communications
  • "Unveiling the impact of oxidation-driven endogenous protein interactions on the dynamics of amyloid-β aggregation and toxicity," 2023, Chemical Science
  • "Mechanistic insights into heme-mediated transcriptional regulation via a bacterial manganese-binding iron regulator, iron response regulator (Irr)," 2020, Journal of Biological Chemistry
  • "Radical transfer but not heme distal residues is essential for pH dependence of dye-decolorizing activity of peroxidase from Vibrio cholerae," 2021, Journal of Inorganic Biochemistry

The frequent coauthors collaborating with Ishimori include:

  • Tomohide Saio
  • Takeshi Uchida
  • Soichiro Kawagoe
  • Hiroyuki Kumeta
  • Motonori Matsusaki

The scientist's work has appeared most frequently in these publication venues:

  • ECS Meeting Abstracts
  • Nature Communications
  • Journal of Inorganic Biochemistry
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Biophysical Journal

Best Publications

  • Conformational landscape of cytochrome c folding studied by microsecond-resolved small-angle x-ray scattering.

    Shuji Akiyama;Satoshi Takahashi;Tetsunari Kimura;Koichiro Ishimori

  • Roles of proximal ligand in heme proteins: replacement of proximal histidine of human myoglobin with cysteine and tyrosine by site-directed mutagenesis as models for P-450, chloroperoxidase, and catalase.

    Shin Ichi Adachi;Shingo Nagano;Koichiro Ishimori;Yoshihito Watanabe

  • Identification of the ubiquitin-protein ligase that recognizes oxidized IRP2.

    Koji Yamanaka;Haruto Ishikawa;Haruto Ishikawa;Yuzuru Megumi;Fuminori Tokunaga

  • Stepwise formation of alpha-helices during cytochrome c folding.

    Shuji Akiyama;Satoshi Takahashi;Koichiro Ishimori;Isao Morishima

  • Haem-dependent dimerization of PGRMC1/Sigma-2 receptor facilitates cancer proliferation and chemoresistance

    Yasuaki Kabe;Takanori Nakane;Ikko Koike;Tatsuya Yamamoto

  • Involvement of Heme Regulatory Motif in Heme-Mediated Ubiquitination and Degradation of IRP2

    Haruto Ishikawa;Michiko Kato;Hiroshi Hori;Koichiro Ishimori

  • Collapse and search dynamics of apomyoglobin folding revealed by submillisecond observations of α-helical content and compactness

    Takanori Uzawa;Shuji Akiyama;Tetsunari Kimura;Satoshi Takahashi

  • Roles of the axial push effect in cytochrome P450cam studied with the site-directed mutagenesis at the heme proximal site

    Shiro Yoshioka;Satoshi Takahashi;Koichiro Ishimori;Isao Morishima

  • Roles of the proximal hydrogen bonding network in cytochrome P450cam-catalyzed oxygenation.

    Shiro Yoshioka;Takehiko Tosha;Satoshi Takahashi;Koichiro Ishimori

  • Catalytic Roles of the Distal Site Asparagine−Histidine Couple in Peroxidases†

    Shingo Nagano;Motomasa Tanaka;Koichiro Ishimori;Yoshihito Watanabe

  • Two Heme Binding Sites Are Involved in the Regulated Degradation of the Bacterial Iron Response Regulator (Irr) Protein

    Jianhua Yang;Koichiro Ishimori;Mark R. O'Brian

  • Hierarchical folding mechanism of apomyoglobin revealed by ultra-fast H/D exchange coupled with 2D NMR

    Takanori Uzawa;Chiaki Nishimura;Shuji Akiyama;Koichiro Ishimori;Koichiro Ishimori

  • Specific collapse followed by slow hydrogen-bond formation of β-sheet in the folding of single-chain monellin

    Tetsunari Kimura;Takanori Uzawa;Koichiro Ishimori;Isao Morishima

  • Alteration of human myoglobin proximal histidine to cysteine or tyrosine by site-directed mutagenesis: characterization and their catalytic activities.

    Shin-ichi Adachi;Shingo Nagano;Yoshihito Watanabe;Koichiro Ishimori

  • Effects of Concerted Hydrogen Bonding of Distal Histidine on Active Site Structures of Horseradish Peroxidase. Resonance Raman Studies with Asn70 Mutants

    Masahiro Mukai;Shingo Nagano;Motomasa Tanaka;Koichiro Ishimori

  • Catalytic activities and structural properties of horseradish peroxidase distal His42 --> Glu or Gln mutant.

    Motomasa Tanaka;Koichiro Ishimori;Masahiro Mukai;Teizo Kitagawa

  • Direct electron transfer catalysed by recombinant forms of horseradish peroxidase: insight into the mechanism

    Annika Lindgren;Motomasa Tanaka;Tautgirdas Ruzgas;Lo Gorton

  • Preparation and reactions of myoglobin mutants bearing both proximal cysteine ligand and hydrophobic distal cavity: protein models for the active site of P-450.

    Toshitaka Matsui;Shingo Nagano;Koichiro Ishimori;Yoshihito Watanabe

  • Cerebral oxygen utilization analyzed by the use of oxygen-17 and its nuclear magnetic resonance

    Toshiyuki Arai;Shin-ichi Nakao;Kenjiro Mori;Koichiro Ishimori

  • A Dye-Decolorizing Peroxidase from Vibrio cholerae

    Takeshi Uchida;Miho Sasaki;Yoshikazu Tanaka;Koichiro Ishimori

  • Identification of histidine 77 as the axial heme ligand of carbonmonoxy CooA by picosecond time-resolved resonance Raman spectroscopy.

    Takeshi Uchida;Haruto Ishikawa;Koichiro Ishimori;Isao Morishima

Frequent Co-Authors

Isao Morishima
Isao Morishima Kyoto University
Satoshi Takahashi
Satoshi Takahashi Tohoku University
Teizo Kitagawa
Teizo Kitagawa University of Hyogo
Kazuhiro Iwai
Kazuhiro Iwai Kyoto University
Yoshihito Watanabe
Yoshihito Watanabe Nagoya University
Fuyuhiko Inagaki
Fuyuhiko Inagaki Hokkaido University
Kenji Inaba
Kenji Inaba University of Southern California
Shinya Yoshikawa
Shinya Yoshikawa University of Hyogo
Yoshinao Wada
Yoshinao Wada Osaka Women's and Children's Hospital
Yoshikazu Tanaka
Yoshikazu Tanaka Tohoku University

External Links

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Related Online Degrees & Career Pathways

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Stephen G. Sligar

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University of Illinois at Urbana-Champaign

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Gary P. Roberts

Gary P. Roberts

University of Wisconsin–Madison

Publications: 21

Rudi van Eldik

Rudi van Eldik

University of Erlangen-Nuremberg

Publications: 20

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Thomas G. Spiro

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Kostas Pantopoulos

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Publications: 16

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