E. Ann MacGregor

3.2k total citations · 1 hit paper
30 papers, 2.6k citations indexed

About

E. Ann MacGregor is a scholar working on Biotechnology, Nutrition and Dietetics and Molecular Biology. According to data from OpenAlex, E. Ann MacGregor has authored 30 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 26 papers in Biotechnology, 16 papers in Nutrition and Dietetics and 12 papers in Molecular Biology. Recurrent topics in E. Ann MacGregor's work include Enzyme Production and Characterization (26 papers), Microbial Metabolites in Food Biotechnology (13 papers) and Phytase and its Applications (8 papers). E. Ann MacGregor is often cited by papers focused on Enzyme Production and Characterization (26 papers), Microbial Metabolites in Food Biotechnology (13 papers) and Phytase and its Applications (8 papers). E. Ann MacGregor collaborates with scholars based in Canada, Denmark and Slovakia. E. Ann MacGregor's co-authors include Birte Svensson, Ŝtefan Janeĉek, Hans M. Jespersen, Michael R. Sierks, Bernard Henrissat, Richard J. Stewart, Peter Biely, Mária Hrmová, Geoffrey B. Fincher and J. M. Bowness and has published in prestigious journals such as Journal of Biological Chemistry, Biochemical Journal and FEBS Letters.

In The Last Decade

E. Ann MacGregor

30 papers receiving 2.5k 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.

Relationship of sequence and structure to specificity in the α-amylase family of enzymes

2001 554 citations E. Ann MacGregor, Ŝtefan Janeĉek et al. Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
E. Ann MacGregor Canada	21	2.1k	1.1k	1.1k	1.0k	585	30	2.6k
Ŝtefan Janeĉek Slovakia	35	3.3k 1.6×	2.1k 1.9×	2.0k 1.8×	1.4k 1.4×	886 1.5×	94	4.4k
Takashi Tonozuka Japan	25	1.0k 0.5×	986 0.9×	406 0.4×	536 0.5×	294 0.5×	103	1.9k
Yoshiyuki Sakano Japan	23	1.1k 0.5×	616 0.6×	528 0.5×	430 0.4×	273 0.5×	103	1.5k
Motoo Arai Japan	27	1.2k 0.6×	1.4k 1.3×	518 0.5×	285 0.3×	813 1.4×	177	2.2k
Isao Kusakabe Japan	29	1.5k 0.7×	1.3k 1.2×	797 0.7×	567 0.6×	1.3k 2.2×	163	2.6k
Henri‐Pierre Fierobe France	32	1.4k 0.7×	1.4k 1.3×	820 0.7×	263 0.3×	1.9k 3.3×	68	2.8k
Slavko Kralj Netherlands	30	2.1k 1.0×	602 0.5×	946 0.9×	2.3k 2.3×	448 0.8×	47	2.9k
D. Kluepfel Canada	31	1.7k 0.8×	1.7k 1.5×	649 0.6×	360 0.4×	1.7k 2.9×	70	3.0k
Rolf Morosoli Canada	29	1.3k 0.6×	1.4k 1.3×	547 0.5×	227 0.2×	1.3k 2.3×	81	2.3k
Cécile Albenne France	24	706 0.3×	818 0.7×	979 0.9×	616 0.6×	247 0.4×	39	1.9k

Countries citing papers authored by E. Ann MacGregor

Since Specialization

Citations

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

Fields of papers citing papers by E. Ann MacGregor

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by E. Ann MacGregor. 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 E. Ann MacGregor. The network helps show where E. Ann MacGregor may publish in the future.

Co-authorship network of co-authors of E. Ann MacGregor

This figure shows the co-authorship network connecting the top 25 collaborators of E. Ann MacGregor. A scholar is included among the top collaborators of E. Ann MacGregor 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 E. Ann MacGregor. E. Ann MacGregor 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

Janeĉek, Ŝtefan, et al.. (2019). Starch-binding domains as CBM families–history, occurrence, structure, function and evolution. Biotechnology Advances. 37(8). 107451–107451. 98 indexed citations

Janeĉek, Ŝtefan, Birte Svensson, & E. Ann MacGregor. (2013). α-Amylase: an enzyme specificity found in various families of glycoside hydrolases. Cellular and Molecular Life Sciences. 71(7). 1149–1170. 291 indexed citations

Janeĉek, Ŝtefan, Birte Svensson, & E. Ann MacGregor. (2011). Structural and evolutionary aspects of two families of non-catalytic domains present in starch and glycogen binding proteins from microbes, plants and animals. Enzyme and Microbial Technology. 49(5). 429–440. 115 indexed citations

Janeĉek, Ŝtefan, Birte Svensson, & E. Ann MacGregor. (2007). A remote but significant sequence homology between glycoside hydrolase clan GH‐H and family GH31. FEBS Letters. 581(7). 1261–1268. 38 indexed citations

Svensson, Birte, et al.. (2005). A new clan of CBM families based on bioinformatics of starch‐binding domains from families CBM20 and CBM21. FEBS Journal. 272(21). 5497–5513. 58 indexed citations

Janeĉek, Ŝtefan, Birte Svensson, & E. Ann MacGregor. (2003). Relation between domain evolution, specificity, and taxonomy of the α‐amylase family members containing a C‐terminal starch‐binding domain. European Journal of Biochemistry. 270(4). 635–645. 105 indexed citations

MacGregor, E. Ann. (2003). The proteinaceous inhibitor of limit dextrinase in barley and malt. Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics. 1696(2). 165–170. 33 indexed citations

MacGregor, A. W., Lynda J. Donald, E. Ann MacGregor, & Harry W. Duckworth. (2003). Stoichiometry of the Complex formed by Barley Limit Dextrinase with its Endogenous Inhibitor. Determination by Electrospray Time-of-flight Mass Spectrometry. Journal of Cereal Science. 37(3). 357–362. 8 indexed citations

MacGregor, E. Ann. (2002). Possible Structure and Active Site Residues of Starch, Glycogen, and Sucrose Synthases. Journal of Protein Chemistry. 21(4). 297–306. 14 indexed citations

10.

MacGregor, E. Ann, Ŝtefan Janeĉek, & Birte Svensson. (2001). Relationship of sequence and structure to specificity in the α-amylase family of enzymes. Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology. 1546(1). 1–20. 554 indexed citations breakdown →

11.

Hrmová, Mária, E. Ann MacGregor, Peter Biely, Richard J. Stewart, & Geoffrey B. Fincher. (1998). Substrate Binding and Catalytic Mechanism of a Barley β-d-Glucosidase/(1,4)-β-d-Glucan Exohydrolase. Journal of Biological Chemistry. 273(18). 11134–11143. 80 indexed citations

12.

MacGregor, E. Ann, Hans M. Jespersen, & Birte Svensson. (1996). A circularly permuted α‐amylase‐type α/β‐barrel structure in glucan‐synthesizing glucosyltransferases. FEBS Letters. 378(3). 263–266. 126 indexed citations

13.

MacGregor, E. Ann, et al.. (1994). Models for the action of barley alpha-amylase isozymes on linear substrates. Carbohydrate Research. 257(2). 249–268. 43 indexed citations

14.

Jespersen, Hans M., E. Ann MacGregor, Bernard Henrissat, Michael R. Sierks, & Birte Svensson. (1993). Starch- and glycogen-debranching and branching enzymes: Prediction of structural features of the catalytic (β/α)8-barrel domain and evolutionary relationship to other amylolytic enzymes. Journal of Protein Chemistry. 12(6). 791–805. 212 indexed citations

15.

Svensson, Birte, Hans M. Jespersen, Michael R. Sierks, & E. Ann MacGregor. (1989). Sequence homology between putative raw-starch binding domains from different starch-degrading enzymes. Biochemical Journal. 264(1). 309–311. 164 indexed citations

16.

MacGregor, E. Ann & Birte Svensson. (1989). A super-secondary structure predicted to be common to several α-1,4-d-glucan-cleaving enzymes. Biochemical Journal. 259(1). 145–152. 95 indexed citations

17.

MacGregor, E. Ann. (1988). α-Amylase structure and activity. Journal of Protein Chemistry. 7(4). 399–415. 113 indexed citations

18.

MacGregor, E. Ann & A. W. MacGregor. (1987). Studies of Cereal α-Amylases Using Cloned Dna. Critical Reviews in Biotechnology. 5(2). 129–142. 11 indexed citations

19.

MacGregor, E. Ann, et al.. (1985). A model for the action of cereal alpha amylases on amylose. Carbohydrate Research. 142(2). 223–236. 29 indexed citations

20.

MacGregor, E. Ann & C Greenwood. (1980). Polymers in nature. John Wiley & Sons eBooks. 24 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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