Eric M. Shepard

4.1k total citations · 1 hit paper
70 papers, 3.3k citations indexed

About

Eric M. Shepard is a scholar working on Renewable Energy, Sustainability and the Environment, Inorganic Chemistry and Molecular Biology. According to data from OpenAlex, Eric M. Shepard has authored 70 papers receiving a total of 3.3k indexed citations (citations by other indexed papers that have themselves been cited), including 47 papers in Renewable Energy, Sustainability and the Environment, 29 papers in Inorganic Chemistry and 27 papers in Molecular Biology. Recurrent topics in Eric M. Shepard's work include Metalloenzymes and iron-sulfur proteins (47 papers), Electrocatalysts for Energy Conversion (26 papers) and Metal-Catalyzed Oxygenation Mechanisms (24 papers). Eric M. Shepard is often cited by papers focused on Metalloenzymes and iron-sulfur proteins (47 papers), Electrocatalysts for Energy Conversion (26 papers) and Metal-Catalyzed Oxygenation Mechanisms (24 papers). Eric M. Shepard collaborates with scholars based in United States, Australia and United Kingdom. Eric M. Shepard's co-authors include Joan Broderick, John W. Peters, Benjamin R. Duffus, Kaitlin S. Duschene, David M. Dooley, David W. Mulder, Eric S. Boyd, Paul W. King, Shawn E. McGlynn and Amanda S. Byer and has published in prestigious journals such as Chemical Reviews, Proceedings of the National Academy of Sciences and Journal of the American Chemical Society.

In The Last Decade

Eric M. Shepard

68 papers receiving 3.2k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

RadicalS-Adenosylmethionine Enzymes

2014 646 citations Joan Broderick, Kaitlin S. Duschene et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Eric M. Shepard United States	28	2.1k	1.2k	933	460	315	70	3.3k
Ulrich Ermler Germany	30	1.6k 0.8×	2.2k 1.8×	859 0.9×	946 2.1×	273 0.9×	85	4.2k
Eberhard Warkentin Germany	27	1.1k 0.5×	1.0k 0.8×	693 0.7×	744 1.6×	177 0.6×	61	2.6k
Evert C. Duin United States	32	1.5k 0.7×	1.1k 0.9×	679 0.7×	797 1.7×	382 1.2×	74	3.0k
Joan Broderick United States	44	4.5k 2.2×	2.3k 1.9×	2.0k 2.1×	873 1.9×	532 1.7×	112	6.2k
Marie‐Hélène Charon France	11	1.3k 0.6×	639 0.5×	459 0.5×	424 0.9×	209 0.7×	19	2.0k
Maria‐Eirini Pandelia United States	32	1.2k 0.6×	803 0.7×	480 0.5×	442 1.0×	378 1.2×	58	2.2k
Michael K. Johnson United States	26	1.5k 0.7×	1.1k 0.9×	628 0.7×	490 1.1×	119 0.4×	45	2.8k
Susana L. A. Andrade Germany	25	2.3k 1.1×	936 0.8×	1.0k 1.1×	933 2.0×	95 0.3×	52	4.0k
Jacques Gaillard France	31	1.0k 0.5×	1.2k 1.0×	794 0.9×	550 1.2×	210 0.7×	109	2.9k
X. Vernède France	15	1.3k 0.6×	576 0.5×	405 0.4×	607 1.3×	291 0.9×	22	2.0k

Countries citing papers authored by Eric M. Shepard

Since Specialization

Citations

This map shows the geographic impact of Eric M. Shepard'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 Eric M. Shepard with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Eric M. Shepard more than expected).

Fields of papers citing papers by Eric M. Shepard

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Eric M. Shepard. 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 Eric M. Shepard. The network helps show where Eric M. Shepard may publish in the future.

Co-authorship network of co-authors of Eric M. Shepard

This figure shows the co-authorship network connecting the top 25 collaborators of Eric M. Shepard. A scholar is included among the top collaborators of Eric M. Shepard based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Eric M. Shepard. Eric M. Shepard is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Larson, James, Monika Tokmina‐Lukaszewska, Rachel L. Spietz, et al.. (2024). Impact of mineral and non-mineral sources of iron and sulfur on the metalloproteome of Methanosarcina barkeri. Applied and Environmental Microbiology. 90(8). e0051624–e0051624. 1 indexed citations

Shepard, Eric M., et al.. (2023). Semisynthetic maturation of [FeFe]-hydrogenase using [Fe₂(μ-SH)₂(CN)₂(CO)₄]²⁻: key roles for HydF and GTP. Chemical Communications. 59(58). 8929–8932. 11 indexed citations

Yang, Hao, Richard J. Jodts, Eric M. Shepard, et al.. (2020). Radical SAM Enzyme Spore Photoproduct Lyase: Properties of the Ω Organometallic Intermediate and Identification of Stable Protein Radicals Formed during Substrate-Free Turnover. Journal of the American Chemical Society. 142(43). 18652–18660. 10 indexed citations

Yang, Hao, Richard J. Jodts, Eric M. Shepard, et al.. (2020). Active-Site Controlled, Jahn–Teller Enabled Regioselectivity in Reductive S–C Bond Cleavage of S-Adenosylmethionine in Radical SAM Enzymes. Journal of the American Chemical Society. 143(1). 335–348. 16 indexed citations

Yang, Hao, et al.. (2020). S‐Adenosyl‐l‐ethionine is a Catalytically Competent Analog of S‐Adenosyl‐l‐methionine (SAM) in the Radical SAM Enzyme HydG. Angewandte Chemie International Edition. 60(9). 4666–4672. 21 indexed citations

Byer, Amanda S., Eric M. Shepard, Michael W. Ratzloff, et al.. (2019). H-cluster assembly intermediates built on HydF by the radical SAM enzymes HydE and HydG. JBIC Journal of Biological Inorganic Chemistry. 24(6). 783–792. 16 indexed citations

Byer, Amanda S., Hao Yang, Anna L. Vagstad, et al.. (2018). Paradigm Shift for Radical S-Adenosyl-l-methionine Reactions: The Organometallic Intermediate Ω Is Central to Catalysis. Journal of the American Chemical Society. 140(28). 8634–8638. 75 indexed citations

Szilágyi, Róbert K., David W. Mulder, Michael W. Ratzloff, et al.. (2018). Compositional and structural insights into the nature of the H-cluster precursor on HydF. Dalton Transactions. 47(28). 9521–9535. 18 indexed citations

Streit, Bennett R., Arianna I. Celis, Garrett C. Moraski, et al.. (2018). Decarboxylation involving a ferryl, propionate, and a tyrosyl group in a radical relay yields heme b. Journal of Biological Chemistry. 293(11). 3989–3999. 22 indexed citations

10.

Byer, Amanda S., Eric M. Shepard, John W. Peters, & Joan Broderick. (2014). Radical S-Adenosyl-l-methionine Chemistry in the Synthesis of Hydrogenase and Nitrogenase Metal Cofactors. Journal of Biological Chemistry. 290(7). 3987–3994. 22 indexed citations

11.

Silver, Sunshine C., Sunil Naik, Eric M. Shepard, et al.. (2014). Combined Mössbauer spectroscopic, multi-edge X-ray absorption spectroscopic, and density functional theoretical study of the radical SAM enzyme spore photoproduct lyase. JBIC Journal of Biological Inorganic Chemistry. 19(3). 465–483. 10 indexed citations

12.

Shepard, Eric M., et al.. (2012). Iron–sulfur cluster coordination in the [FeFe]‐hydrogenase H cluster biosynthetic factor HydF. FEBS Letters. 586(22). 3939–3943. 16 indexed citations

13.

Cumming, Graeme S., et al.. (2012). Host associations, biogeography, and phylogenetics of avian malaria in southern African waterfowl. Parasitology. 140(2). 193–201. 20 indexed citations

14.

Mulder, David W., Eric M. Shepard, Jonathan E. Meuser, et al.. (2011). Insights into [FeFe]-Hydrogenase Structure, Mechanism, and Maturation. Structure. 19(8). 1038–1052. 186 indexed citations

15.

Driesener, Rebecca C., Martin R. Challand, Shawn E. McGlynn, et al.. (2010). [FeFe]‐Hydrogenase Cyanide Ligands Derived From S ‐Adenosylmethionine‐Dependent Cleavage of Tyrosine. Angewandte Chemie International Edition. 49(9). 1687–1690. 127 indexed citations

16.

McGlynn, Shawn E., David W. Mulder, Eric M. Shepard, Joan Broderick, & John W. Peters. (2009). Hydrogenase cluster biosynthesis: organometallic chemistry nature's way. Dalton Transactions. 4274–4274. 60 indexed citations

17.

McGrath, Aaron P., Kimberly M. Hilmer, Charles A. Collyer, et al.. (2009). Structure and Inhibition of Human Diamine Oxidase. Biochemistry. 48(41). 9810–9822. 92 indexed citations

18.

Duff, Anthony P., Eric M. Shepard, David B. Langley, et al.. (2006). A C-terminal disulfide bond in the copper-containing amine oxidase from pea seedlings violates the twofold symmetry of the molecular dimer. Acta Crystallographica Section F Structural Biology and Crystallization Communications. 62(12). 1168–1173. 5 indexed citations

19.

Duff, Anthony P., Daniel Trambaiolo, Aina E. Cohen, et al.. (2004). Using Xenon as a Probe for Dioxygen-binding Sites in Copper Amine Oxidases. Journal of Molecular Biology. 344(3). 599–607. 50 indexed citations

20.

Shepard, Eric M., Jennifer A. Smith, Bradley O. Elmore, et al.. (2002). Towards the development of selective amine oxidase inhibitors. European Journal of Biochemistry. 269(15). 3645–3658. 31 indexed citations

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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