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Chemistry
Canada
2025

D-Index & Metrics

Chemistry

D-Index
108
Citations
42871
World Ranking
871
National Ranking
19

Stephen G. Withers 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 Stephen G. Withers 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: 800 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

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

Stephen G. Withers 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 Stephen G. Withers 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: 108 D-Index — 95th percentile

95% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2025 - Research.com Chemistry in Canada Leader Award
  • 2022 - Research.com Chemistry in Canada Leader Award
  • 2016 - Chemical Institute of Canada Medal
  • 2012 - Centenary Prize, Royal Society of Chemistry (UK)
  • 2012 - Fellow of the Royal Society, United Kingdom
  • 2002 - Fellow of the Royal Society of Canada Academy of Science
  • 1993 - Rutherford Memorial Medal in Chemistry, Royal Society of Canada
  • 1988 - Corday–Morgan Prize, Royal Society of Chemistry (UK)

Overview

Stephen G. Withers is affiliated with the University of British Columbia in Canada. Their research spans fields including Biochemistry, Genetics and Molecular Biology, and Medicine, with notable focus on subfields such as Molecular Biology, Organic Chemistry, Physiology, Surgery, and Biotechnology.

The main topics covered in their work include:

  • Carbohydrate Chemistry and Synthesis
  • Glycosylation and Glycoproteins Research
  • Enzyme Production and Characterization
  • Lysosomal Storage Disorders Research
  • Renal Transplantation Outcomes and Treatments
  • Monoclonal and Polyclonal Antibodies Research
  • Transplantation: Methods and Outcomes

Recent papers authored or co-authored by Withers include:

  • "Carbohydrate-active enzymes (CAZymes) in the gut microbiome", 2022, published in Nature Reviews Microbiology
  • "Ex vivo enzymatic treatment converts blood type A donor lungs into universal blood type lungs", 2022, published in Science Translational Medicine
  • "Bioelectrocatalysis with a palladium membrane reactor", 2023, published in Nature Communications
  • "Thioglycoligase derived from fungal GH3 β-xylosidase is a multi-glycoligase with broad acceptor tolerance", 2020, published in Nature Communications
  • "Four cellulose-active lytic polysaccharide monooxygenases from Cellulomonas species", 2021, published in Biotechnology for Biofuels

The scientist frequently publishes in venues such as:

  • ACS Central Science
  • ACS Chemical Biology
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Nature Communications
  • Angewandte Chemie International Edition

Frequent co-authors in their research include:

  • Seyed A. Nasseri
  • Peter Rahfeld
  • Jacob F. Wardman
  • Jayachandran N. Kizhakkedathu
  • Lyann Sim

Throughout their career, Withers has received several awards and honors, including:

  • Chemical Institute of Canada Medal, 2016
  • Centenary Prize, Royal Society of Chemistry (UK), 2012
  • Fellow of the Royal Society, United Kingdom, 2012
  • Fellow of the Royal Society of Canada, 2002 (Academy of Science)
  • Rutherford Memorial Medal in Chemistry, Royal Society of Canada, 1993
  • Corday-Morgan Prize, Royal Society of Chemistry (UK), 1988

Best Publications

  • Glycosyltransferases: structures, functions, and mechanisms.

    Lairson Ll;Henrissat B;Davies Gj;Withers Sg

  • Glycosidase Mechanisms: Anatomy of a Finely Tuned Catalyst

    David L. Zechel and;Stephen G. Withers

  • Catalysis by hen egg-white lysozyme proceeds via a covalent intermediate

    David J. Vocadlo;Gideon J. Davies;Gideon J. Davies;Roger Laine;Stephen G. Withers

  • Glycosynthases: Mutant Glycosidases for Oligosaccharide Synthesis

    Lloyd F. Mackenzie;Qingping Wang;and R. Antony J. Warren;Stephen G. Withers

  • X-ray structures along the reaction pathway of cyclodextrin glycosyltransferase elucidate catalysis in the alpha-amylase family.

    Joost C.M. Uitdehaag;Renée Mosi;Kor H. Kalk;Bart A. van der Veen

  • The structure of human pancreatic alpha-amylase at 1.8 A resolution and comparisons with related enzymes.

    Gary D. Brayer;Yaoguang Luo;Stephen G. Withers

  • Crystal structure of the retaining galactosyltransferase LgtC from Neisseria meningitidis in complex with donor and acceptor sugar analogs.

    Karina Persson;Hoa D. Ly;Manuela Dieckelmann;Warren W. Wakarchuk

  • Mechanism of Agrobacterium beta-glucosidase: kinetic studies.

    Julie B. Kempton;Stephen G. Withers

  • Crystallographic evidence for substrate-assisted catalysis in a bacterial beta-hexosaminidase.

    Brian L. Mark;David J. Vocadlo;Spencer Knapp;Barbara L. Triggs-Raine

  • Mutagenesis of glycosidases.

    Hoa D. Ly;Stephen G. Withers

  • The pKa of the general acid/base carboxyl group of a glycosidase cycles during catalysis: a 13C-NMR study of bacillus circulans xylanase.

    Lawrence P. McIntosh;Greg Hand;Philip E. Johnson;Manish D. Joshi

  • Snapshots along an enzymatic reaction coordinate: analysis of a retaining beta-glycoside hydrolase.

    G.J. Davies;L. Mackenzie;A. Varrot;M. Dauter

  • NAG-thiazoline, An N-Acetyl-β-hexosaminidase Inhibitor That Implicates Acetamido Participation

    Spencer Knapp;David Vocadlo;Zhinong Gao;Brian Kirk

  • Engineering of glycosidases and glycosyltransferases.

    Susan M Hancock;Mark D Vaughan;Stephen G Withers

  • Subsite mapping of the human pancreatic alpha-amylase active site through structural, kinetic, and mutagenesis techniques.

    Gary D. Brayer;Gary Sidhu;Robert Maurus;Edwin H. Rydberg

  • Stereoselective hydrolysis catalyzed by related beta-1,4-glucanases and beta-1,4-xylanases.

    J Gebler;N R Gilkes;M Claeyssens;D B Wilson

  • A Structural View of the Action of Escherichia Coli (Lacz) Beta-Galactosidase

    Douglas H. Juers;Tom D. Heightman;Andrea Vasella;John D. McCarter

  • Unequivocal demonstration of the involvement of a glutamate residue as a nucleophile in the mechanism of a retaining glycosidase

    Stephen G. Withers;R. Antony J. Warren;Ian P. Street;Karen Rupitz

  • Hydrogen bonding and catalysis: a novel explanation for how a single amino acid substitution can change the pH optimum of a glycosidase

    Manish D. Joshi;Gary Sidhu;Isabelle Pot;Gary D. Brayer

  • Pharmacological Enhancement of β-Hexosaminidase Activity in Fibroblasts from Adult Tay-Sachs and Sandhoff Patients

    Michael B. Tropak;Stephen P. Reid;Marianne Guiral;Stephen G. Withers

  • Glycosidase mechanisms.

    Unknown

Frequent Co-Authors

Gary D. Brayer
Gary D. Brayer University of British Columbia
Warren W. Wakarchuk
Warren W. Wakarchuk University of Alberta
Gideon J. Davies
Gideon J. Davies University of York
Natalie C. J. Strynadka
Natalie C. J. Strynadka University of British Columbia
David J. Vocadlo
David J. Vocadlo Simon Fraser University
Lawrence P. McIntosh
Lawrence P. McIntosh University of British Columbia
Spencer J. Williams
Spencer J. Williams University of Melbourne
David R. Rose
David R. Rose University of Waterloo
R A Warren
R A Warren University of British Columbia
Don J. Mahuran
Don J. Mahuran University of Toronto

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