Harold R. Powell

19.1k citations

74 papers · 14.3k · 3 hit papers · h-index 23

Impact in

Molecular Biology top 0.5%
- RNA and protein synthesis mechanisms
- Protein Structure and Dynamics
- Biochemical and Molecular Research
- Glycosylation and Glycoproteins Research
- Photosynthetic Processes and Mechanisms
Structural Biology top 1%

Papers in

Organic Chemistry 41
- Organometallic Complex Synthesis and Catalysis 28
- Coordination Chemistry and Organometallics 8
Inorganic Chemistry 35
- Synthesis and characterization of novel inorganic/organometallic compounds 12
- Inorganic Chemistry and Materials 11
- Asymmetric Hydrogenation and Catalysis 8

Co-authors: Andrew G. W. Leslie (5 shared papers)Keith S. Wilson (1 shared paper)Martyn Winn (1 shared paper)Randy J. Read (1 shared paper)Charles Ballard (1 shared paper)Airlie J. McCoy (1 shared paper)Kevin Cowtan (1 shared paper)Alexei A. Vagin (1 shared paper)
Journals: Journal of Organometallic Chemistry (9 papers)Polyhedron (6 papers)Annual Reports Section C (Physical Chemistry) (5 papers)Journal of Molecular Biology (3 papers)Journal of the Chemical Society Perkin Transactions 1 (2 papers)
Partner nations: United Kingdom United States Australia

In The Last Decade

Harold R. Powell

73 papers receiving 14.1k citations

Harold R. Powell's Hit Papers

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Phyre2.2: A Community Resource for Template-based Protein Structure Prediction 2025 · 28 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2025 Journal of Molecular Biology
2011 Acta Crystallographica Section D Biological Crystallography
2011 Acta Crystallographica Section D Biological Crystallography

Peers

Countries citing papers authored by Harold R. Powell

Since Specialization

Citations

This map shows the geographic impact of Harold R. Powell's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Harold R. Powell with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Harold R. Powell more than expected).

Fields of papers citing papers by Harold R. Powell

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Harold R. Powell. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Harold R. Powell. The network helps show where Harold R. Powell may publish in the future.

Co-authors

The 25 scholars most cited alongside Harold R. Powell, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Harold R. Powell Line = papers co-authored together Harold R. Powell links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 74 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Overview of theCCP4 suite and current developments Acta Crystallographica Section D Biological Crystallography ·Martyn Winn, Charles Ballard, Kevin Cowtan, E.J. Dodson, Paul Emsley, Phil Evans, Ronan M. Keegan, Eugene Krissinel, Andrew G. W. Leslie, Airlie J. McCoy, Stuart McNicholas, Garib N. Murshudov, (unknown), Elizabeth Potterton, Harold R. Powell, Randy J. Read, Alexei A. Vagin, Keith S. Wilson Hit paper breakdown →	2011	10147
2	iMOSFLM: a new graphical interface for diffraction-image processing withMOSFLM Acta Crystallographica Section D Biological Crystallography ·T. Geoff G. Battye, Luke Kontogiannis, Owen Johnson, Harold R. Powell, Andrew G. W. Leslie Hit paper breakdown →	2011	2451
3	The Rossmann Fourier autoindexing algorithm in MOSFLM Acta Crystallographica Section D Biological Crystallography ·Harold R. Powell	1999	258
4	Synthesis and chemistry of the bis(trimethylsilyl)amido bis-tetrahydrofuranates of the group 2 metals magnesium, calcium, strontium and barium. X-ray crystal structures of Mg[N(SiMe3)2]2·2THF and related Mn[N(SiMe3)2]2·2THF Polyhedron ·D. C. Bradley, Michael B. Hursthouse, Ali Ibrahim, K. M. Abdul Malik, Majid Motevalli, R. Möseler, Harold R. Powell, John D. Runnacles, Alice C. Sullivan	1990	140
5	Autoindexing diffraction images withiMosflm Acta Crystallographica Section D Biological Crystallography ·Harold R. Powell, Owen Johnson, Andrew G. W. Leslie	2013	125
6	New Ionophoric Calix[4]diquinones: Coordination Chemistry, Electrochemistry, and X-ray Crystal Structures Inorganic Chemistry ·Paul D. Beer, Philip A. Gale, (unknown), Michael G. B. Drew, Jennifer Heath, Mark I. Ogden, Harold R. Powell	1997	73
7	Automation of the collection and processing of X-ray diffraction data – a generic approach Acta Crystallographica Section D Biological Crystallography ·Andrew G. W. Leslie, Harold R. Powell, Graeme Winter, Olof Svensson, Darren Spruce, Seán McSweeney, D J G Love, S. H. Kinder, Elizabeth Duke, C. Nave	2002	67
8	Integrating macromolecular X-ray diffraction data with the graphical user interface iMosflm Nature Protocols ·Harold R. Powell, T. Geoff G. Battye, Luke Kontogiannis, Owen Johnson, Andrew G. W. Leslie	2017	61
9	Carbide forming and cluster build-up reactions in ruthenium carbonyl cluster chemistry Journal of Organometallic Chemistry ·Philip J. Bailey, Melinda J. Duer, Brian F. G. Johnson, Jack Lewis, Gráinne Conole, Mary McPartlin, Harold R. Powell, Christopher E. Anson	1990	49
10	NMR conformational study of the lanthanide(III) complexes of DOTA in aqueous solution Journal of Alloys and Compounds ·M. Paula M. Marques, Carlos F. G. C. Geraldes, A. Dean Sherry, A. E. MERBACH, Harold R. Powell, Dirk Pubanz, Silvio Aime, Mauro Botta	1995	49
11	Toxicity of lipid-soluble copper(II) complexes to the marine diatom Nitzschia closterium: Amelioration by humic substances Water Research ·T FLORENCE, Harold R. Powell, Jennifer L. Stauber, Raewyn M. Town	1992	45
12	The bi-loop, a new general four-stranded DNA motif Proceedings of the National Academy of Sciences ·Stephen A. Salisbury, Sarah Emily Wilson, Harold R. Powell, Olga Kennard, Paolo Lubini, George M. Sheldrick, Núria Escaja, ElMostafa Alazzouzi, Anna Grandas, Enrique Pedroso	1997	41
13	Macrocyclic ligand design. Effect of donor-set and ringsize variation on silver(I)/lead(II) discrimination within an extended series of dibenzo substituted rings Journal of the Chemical Society Dalton Transactions ·Kenneth R. Adam, Darren S. Baldwin, Paul A. Duckworth, Leonard F. Lindoy, Mary McPartlin, Alan Bashall, Harold R. Powell, Peter A. Tasker	1995	37
14	Hydrogen-bonding between benzoic acid and an N,N′-diethyl-substituted benzamidine Tetrahedron ·Arno Kraft, L. Peters, Harold R. Powell	2002	36
15	Synthesis and X-ray crystal structure of tris(1,2-dimethyl-3-hydroxypyrid-4-onato)iron(III) Polyhedron ·J. Charalambous, (unknown), Mary McPartlin, Simba O. C. Matondo, Navin D. Pathirana, Harold R. Powell	1988	35
16	Reactions of P₂Ph₄with alkyne-bridged dicobalt carbonyl complexes; crystal structures of [Co₂{µ-C₂(CO₂Me)₂}(µ-P₂Ph₄)(CO)₄], [Co₂{µ-PPh₂CHCPhC(O)}(µ-PPh₂)(CO)₄] and [Co₂{µ-PPh₂C(O)CHCH}(µ-PPh₂)(CO)₃(PPh₃)] Journal of the Chemical Society Dalton Transactions ·Andrew J. M. Caffyn, (unknown), Gregory A. Solan, Dario Braga, Piera Sabatino, Gráinne Conole, Mary McPartlin, Harold R. Powell	1991	34
17	The first isolation of an intermediate in the formation of a hexaruthenium carbido-cluster from the reaction of [Ru₃(CO)₁₂]: X-ray structure analyses of [Ru₆(η²-µ₄-CO)₂(CO)₁₃(η⁶-C₆H₃Me₃)] and [HRu₆(η²-µ₄-CO)(CO)₁₃(η⁷-µ₂-C₆H₃Me₂CH₂)] Journal of the Chemical Society Chemical Communications ·Christopher E. Anson, Philip J. Bailey, Gráinne Conole, Brian F. G. Johnson, Jack Lewis, Mary McPartlin, Harold R. Powell	1989	30
18	Phyre2.2: A Community Resource for Template-based Protein Structure Prediction Journal of Molecular Biology ·Harold R. Powell, Suhail A. Islam, Alessia David, Michael J.E. Sternberg Hit paper breakdown →	2025	28
19	Structural Characterisation of Bisintercalation in Higher-order DNA at a Junction-like Quadruplex Journal of Molecular Biology ·Susana C. M. Teixeira, James H. Thorpe, Alan K. Todd, Harold R. Powell, Adrienne Adams, Laurence P. G. Wakelin, William A. Denny, Christine J. Cardin	2002	23
20	The reaction of diphenylphosphine, PPh2H, with an alkyne-bridged dicobalt carbonyl complex; the synthesis crystal structure and reactivity of the complex [CO2{μ-C(CO2Me)CHCO2Me}(μ-PPh2)(CO)4] Journal of Organometallic Chemistry ·Andrew J. M. Caffyn, (unknown), Gráinne Conole, Mary McPartlin, Harold R. Powell	1992	23

About Harold R. Powell

Harold R. Powell is a scholar working on Organic Chemistry, Inorganic Chemistry, Materials Chemistry, Molecular Biology and Oncology, having authored 74 papers that have together received 14.3k indexed citations. Recurring topics across this work include Organometallic Complex Synthesis and Catalysis (28 papers), Enzyme Structure and Function (13 papers), Synthesis and characterization of novel inorganic/organometallic compounds (12 papers), Inorganic Chemistry and Materials (11 papers), Asymmetric Hydrogenation and Catalysis (8 papers), Coordination Chemistry and Organometallics (8 papers), X-ray Diffraction in Crystallography (7 papers) and Protein Structure and Dynamics (7 papers). The work is most often cited by research in Molecular Biology (9.1k citations), Structural Biology (163 citations), Biotechnology (892 citations), Molecular Medicine (417 citations) and Materials Chemistry (3.8k citations). Harold R. Powell has collaborated with scholars based in United Kingdom, United States and Australia. Frequent co-authors include Andrew G. W. Leslie, Keith S. Wilson, Martyn Winn, Randy J. Read, Charles Ballard, Airlie J. McCoy, Kevin Cowtan, Alexei A. Vagin, Paul Emsley and Eugene Krissinel. Their work appears in journals such as Journal of Organometallic Chemistry, Polyhedron, Annual Reports Section C (Physical Chemistry), Journal of Molecular Biology and Journal of the Chemical Society Perkin Transactions 1.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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Harold R. Powell

Harold R. Powell's Hit Papers

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