World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
72
Citations
22484
World Ranking
6192
National Ranking
221

Chemistry

D-Index
71
Citations
22130
World Ranking
5453
National Ranking
137

Emil F. Pai 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 Emil F. Pai 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: 440 publications — 84th percentile

84% of scientists in this discipline score the same or lower.

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

Emil F. Pai 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 Emil F. Pai 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: 71 D-Index — 70th percentile

70% of scientists in this discipline score the same or lower.

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

Overview

What is he best known for?

The fields of study he is best known for:

  • Enzyme
  • Gene
  • Amino acid

Stereochemistry, Biochemistry, Protein structure, Crystallography and Enzyme are his primary areas of study. His Stereochemistry study integrates concerns from other disciplines, such as Oxidoreductase, Xanthine dehydrogenase, Substrate and Active site. His work on Amino acid, Binding protein and Nucleotide as part of general Biochemistry study is frequently linked to Histone octamer, therefore connecting diverse disciplines of science.

His Protein structure research includes elements of Lyase, Conformational change, Guanosine triphosphate and Effector. His Crystallography research includes themes of Laser and Binding site. The concepts of his Binding site study are interwoven with issues in Biophysics, Peptide sequence, Beta sheet, Skeletal muscle and Actin.

His most cited work include:

  • Atomic structure of the actin:DNase I complex. (1552 citations)
  • Refined crystal structure of the triphosphate conformation of H-ras p21 at 1.35 Å resolution : implications for the mechanism of GTP hydrolysis (910 citations)
  • STRUCTURE OF THE GUANINE-NUCLEOTIDE-BINDING DOMAIN OF THE HA-RAS ONCOGENE PRODUCT P21 IN THE TRIPHOSPHATE CONFORMATION (740 citations)

What are the main themes of his work throughout his whole career to date?

His primary areas of study are Biochemistry, Stereochemistry, Crystallography, Enzyme and Crystal structure. His work on Protein structure, Xanthine dehydrogenase, Nucleotide and Mutant as part of general Biochemistry research is frequently linked to Glutathione reductase, thereby connecting diverse disciplines of science. His Xanthine dehydrogenase study incorporates themes from Oxidoreductase, Bovine milk, Cofactor and Xanthine.

The study incorporates disciplines such as Active site, Orotidine 5'-phosphate decarboxylase, Substrate, Dehydrogenase and Binding site in addition to Stereochemistry. His research integrates issues of Peptide sequence and Methanobacterium in his study of Binding site. The Crystallography study combines topics in areas such as X-ray crystallography, Crystallization, Synchrotron and GTP'.

He most often published in these fields:

  • Biochemistry (49.54%)
  • Stereochemistry (38.15%)
  • Crystallography (24.31%)

What were the highlights of his more recent work (between 2013-2021)?

  • Biochemistry (49.54%)
  • Enzyme (22.77%)
  • Stereochemistry (38.15%)

In recent papers he was focusing on the following fields of study:

His primary scientific interests are in Biochemistry, Enzyme, Stereochemistry, Crystallography and Synchrotron. His study in Active site, Protein structure, Subfamily, Gene and NAD+ kinase is carried out as part of his Biochemistry studies. His research in Active site intersects with topics in Binding site and Trypanosoma.

His Enzyme research is multidisciplinary, incorporating perspectives in Cancer cell and Docking. His biological study spans a wide range of topics, including Xanthine Oxidoreductase, Trypanosoma brucei, Crystal structure, Dithiothreitol and Protomer. His Protein crystallization study in the realm of Crystallography connects with subjects such as Chip.

Between 2013 and 2021, his most popular works were:

  • The role of dimer asymmetry and protomer dynamics in enzyme catalysis. (92 citations)
  • Fixed target matrix for femtosecond time-resolved and in situ serial micro-crystallography. (82 citations)
  • Fixed target matrix for femtosecond time-resolved and in situ serial micro-crystallography. (82 citations)

In his most recent research, the most cited papers focused on:

  • Enzyme
  • Gene
  • Amino acid

Emil F. Pai mostly deals with Biophysics, Synchrotron, Biochemistry, Crystallography and Stereochemistry. His Biophysics research integrates issues from Hydrolase, Epitope, Paratope, Immunogen and Allosteric regulation. His Biochemistry and Enzyme, Dehydrogenase, Binding site, Protein structure and Small molecule investigations all form part of his Biochemistry research activities.

Emil F. Pai works in the field of Enzyme, focusing on Active site in particular. His study in Crystallography is interdisciplinary in nature, drawing from both Laser and Femtosecond. His Stereochemistry research is multidisciplinary, incorporating elements of Oxidoreductase, Xanthine oxidase, Xanthine dehydrogenase, Dithiothreitol and Oxidase test.

Best Publications

  • Atomic structure of the actin:DNase I complex.

    Wolfgang Kabsch;Hans Georg Mannherz;Dietrich Suck;Emil F. Pai

  • Refined crystal structure of the triphosphate conformation of H-ras p21 at 1.35 Å resolution : implications for the mechanism of GTP hydrolysis

    Emil F. Pai;Ute Krengel;Gregory A. Petsko;Roger S. Goody

  • STRUCTURE OF THE GUANINE-NUCLEOTIDE-BINDING DOMAIN OF THE HA-RAS ONCOGENE PRODUCT P21 IN THE TRIPHOSPHATE CONFORMATION

    Emil F. Pai;Wolfgang Kabsch;Ute Krengel;Kenneth C. Holmes

  • Crystal structures of bovine milk xanthine dehydrogenase and xanthine oxidase: Structure-based mechanism of conversion

    C. Enroth;B.T. Eger;K. Okamoto;T. Nishino

  • Crystal structure of metarhodopsin II.

    Hui Woog Choe;Yong Ju Kim;Jung Hee Park;Takefumi Morizumi;Takefumi Morizumi

  • Time−resolved X−ray crystallographic study of the conformational change in Ha−ras p21 protein on GTP hydrolysis

    Ilme Schlichting;Steven C. Almo;Gert Rapp;Keith Wilson

  • An Extremely Potent Inhibitor of Xanthine Oxidoreductase CRYSTAL STRUCTURE OF THE ENZYME-INHIBITOR COMPLEX AND MECHANISM OF INHIBITION

    Ken Okamoto;Bryan T. Eger;Tomoko Nishino;Shiro Kondo

  • THREE-DIMENSIONAL STRUCTURES OF H-RAS P21 MUTANTS - MOLECULAR BASIS FOR THEIR INABILITY TO FUNCTION AS SIGNAL SWITCH MOLECULES

    Ute Krengel;Ilme Schlichting;Anna Scherer;Renate Schumann

  • Mammalian xanthine oxidoreductase - mechanism of transition from xanthine dehydrogenase to xanthine oxidase.

    Tomoko Nishino;Ken Okamoto;Bryan T. Eger;Emil F. Pai

  • The catalytic mechanism of glutathione reductase as derived from x-ray diffraction analyses of reaction intermediates.

    Emil F. Pai;Georg E. Schulz

  • The structure of Ras protein: a model for a universal molecular switch.

    Alfred Wittinghofer;Emil F. Pai

  • Structural proteomics of an archaeon.

    Dinesh Christendat;Adelinda Yee;Akil Dharamsi;Yuval Kluger

  • Substrate positions and induced-fit in crystalline adenylate kinase.

    E.F. Pai;W. Sachsenheimer;R.H. Schirmer;G.E. Schulz

  • The structure of the flavoenzyme glutathione reductase.

    G. E. Schulz;R. H. Schirmer;W. Sachsenheimer;E. F. Pai

  • The active site architecture of Pisum sativum β-carbonic anhydrase is a mirror image of that of α-carbonic anhydrases

    Matthew S. Kimber;Emil F. Pai

  • Three-dimensional structure of glutathione reductase at 2 A resolution.

    R. Thieme;E.F. Pai;R.H. Schirmer;G.E. Schulz

  • The crystal structure of xanthine oxidoreductase during catalysis: Implications for reaction mechanism and enzyme inhibition

    Ken Okamoto;Koji Matsumoto;Russ Hille;Bryan T. Eger

  • Mitochondrial ClpP-Mediated Proteolysis Induces Selective Cancer Cell Lethality

    Jo Ishizawa;Sarah F. Zarabi;Sarah F. Zarabi;R. Eric Davis;Ondrej Halgas;Ondrej Halgas

  • Electrostatic stress in catalysis: structure and mechanism of the enzyme orotidine monophosphate decarboxylase.

    Ning Wu;Yirong Mo;Jiali Gao;Emil F. Pai

  • The structure of OmpF porin in a tetragonal crystal form

    SW Cowan;RM Garavito;JN Jansonius;JA Jenkins

Frequent Co-Authors

Takeshi Nishino
Takeshi Nishino Nippon Medical School
Georg E. Schulz
Georg E. Schulz University of Freiburg
Alfred Wittinghofer
Alfred Wittinghofer Max Planck Society
Wolfgang Kabsch
Wolfgang Kabsch Max Planck Society
Jean-Philippe Julien
Jean-Philippe Julien University of Toronto
Roger S. Goody
Roger S. Goody Max Planck Society
Christopher T. Walsh
Christopher T. Walsh Stanford University
Aled M. Edwards
Aled M. Edwards Structural Genomics Consortium
R. J. Dwayne Miller
R. J. Dwayne Miller University of Toronto

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