Chris A. Broka

4.4k citations

31 papers · 3.5k indexed · 2 hit papers · h-index 24

Co-authors: Keiichi Itakura Richard M. Wing Richard E. Dickerson Horace R. Drew T. Takano Satoshi Tanaka Shoji Tanaka Tsunehiro Takano
Topics: DNA and Nucleic Acid Chemistry (7 papers)Chemical synthesis and alkaloids (7 papers)Chemical Synthesis and Analysis (4 papers)
Cited by: Organic Chemistry Molecular Biology Oncology
Journals: Nature Proceedings of the National Academy of Sciences Journal of the American Chemical Society
Partner nations: United States Germany Poland

In The Last Decade

Chris A. Broka

31 papers receiving 3.3k 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.

Structure of a B-DNA dodecamer: conformation and dynamics.

1981 1.3k citations Horace R. Drew, Richard M. Wing et al. Proceedings of the National Academy of Sciences profile →
Crystal structure analysis of a complete turn of B-DNA

1980 706 citations Richard M. Wing, Horace R. Drew et al. Nature profile →

Peers

Countries citing papers authored by Chris A. Broka

Since Specialization

Citations

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

Fields of papers citing papers by Chris A. Broka

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Chris A. Broka. 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 Chris A. Broka. The network helps show where Chris A. Broka may publish in the future.

Co-authorship network of co-authors of Chris A. Broka

This figure shows the co-authorship network connecting the top 25 collaborators of Chris A. Broka. A scholar is included among the top collaborators of Chris A. Broka 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 Chris A. Broka. Chris A. Broka 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

#	Work	Indexed citations
1	Rational design of 6-methylsulfonylindoles as selective cyclooxygenase-2 inhibitors 2004 ·Bioorganic & Medicinal Chemistry Letters ·Jeffrey A. Campbell,(unknown),Chris A. Broka,Michelle F. Browner,(unknown),Tara Mirzadegan,C S Ramesha,(unknown),(unknown),(unknown),Armando G. Villaseñor,Keith A. M. Walker,Jinhai Wang,Mary Welch,Paul Weller	52
2	Amino acid derived sulfonamide hydroxamates as inhibitors of procollagen C-Proteinase. Part 2: Solid-Phase optimization of side chains 2002 ·Bioorganic & Medicinal Chemistry Letters ·(unknown),(unknown),Chris A. Broka,Robert L. Martin,Christine Chan,Eric B. Springman,Harold E. Van Wart,Keith A. M. Walker	12
3	Crystal structures of MMP-1 and -13 reveal the structural basis for selectivity of collagenase inhibitors. 1999 ·Nature Structural Biology ·Michelle F. Browner,Brett Lovejoy,Anthony Welch,Steven A. Carr,Christine Luong,Chris A. Broka,R. Hendricks,(unknown),Keith A. M. Walker,Robert L. Martin,Harold Van Wart	207
4	Characterization of the electrophysiological, biochemical and behavioral actions of epibatidine. 1995 ·Journal of Pharmacology and Experimental Therapeutics ·Douglas W. Bonhaus,Keith Bley,Chris A. Broka,D. Fontana,Edward Leung,R A Lewis,Albert Shieh,E.H. Wong	50
5	2-aryl-indolyl maleimides - novel and potent inhibitors of protein kinase C 1995 ·Bioorganic & Medicinal Chemistry Letters ·R. Hendricks,(unknown),Berta Strulovici,Chris A. Broka	14
6	Synthetic studies on wortmannin and 11-desacetoxywortmannin 1992 ·The Journal of Organic Chemistry ·Chris A. Broka,Béatrice Ruhland	23
7	Total syntheses of phleigchrome, calphostin A, and calphostin D. Unusual stereoselective and stereospecific reactions in the synthesis of perylenequinones 1991 ·Tetrahedron Letters ·Chris A. Broka	45
8	Anionic cyclizations of .alpha.-alkoxy lithiums. New, stereoselective routes to substituted tetrahydrofurans 1988 ·The Journal of Organic Chemistry ·Chris A. Broka,(unknown),Tong Shen	46
9	Synthetic studies on thyrsiferol. Elaboration of the bromotetrahydropyran ring 1988 ·The Journal of Organic Chemistry ·Chris A. Broka,(unknown)	19
10	Synthetic studies on thyrsiferol 1987 ·Tetrahedron Letters ·Chris A. Broka,(unknown),(unknown),Tong Shen	12
11	Total synthesis of debromoaplysiatoxin and aplysiatoxin 1987 ·Journal of the American Chemical Society ·(unknown),Chris A. Broka,Bruce Johnson,Yoshito Kishi	54
12	A short total synthesis of (.+-.)-gephyrotoxin-223AB 1986 ·The Journal of Organic Chemistry ·Chris A. Broka,Kan K. Eng	36
13	Synthesis of lycopodium alkaloids of the lycopodine structure type 1984 ·Journal of the Chemical Society Chemical Communications ·Ernest Wenkert,Chris A. Broka	23
14	Structure and energetics of a hexanucleotide duplex with stacked trinucleotide ends formed by the sequence d(GAATTCGCG) 1982 ·Biochemistry ·Dinshaw J. Patel,Sharon A. Kozlowski,Luis A. Marky,Janet A. Rice,Chris A. Broka,Keiichi Itakura,Kenneth J. Breslauer	26
15	Structure, dynamics, and energetics of deoxyguanosine-thymidine wobble base pair formation in the self-complementary d(CGTGAATTCGCG) duplex in solution 1982 ·Biochemistry ·Dinshaw J. Patel,Sharon A. Kozlowski,Luis A. Marky,Janet A. Rice,Chris A. Broka,Jerry L. Dallas,Keiichi Itakura,Kenneth J. Breslauer	135
16	Premelting and melting transitions in the d(CGCGAATTCGCG) self-complementary duplex in solution 1982 ·Biochemistry ·Dinshaw J. Patel,Sharon A. Kozlowski,(unknown),Chris A. Broka,Janet A. Rice,Keiichi Itakura,Kenneth J. Breslauer	161
17	Structure of a B-DNA dodecamer: conformation and dynamics.breakdown → 1981 ·Proceedings of the National Academy of Sciences ·Horace R. Drew,Richard M. Wing,T. Takano,Chris A. Broka,Satoshi Tanaka,Keiichi Itakura,Richard E. Dickerson	1250
18	Mutual interaction between adjacent dG . dC actinomycin binding sites and dA . dT netropsin binding sites on the self-complementary d(C-G-C-G-A-A-T-T-C-G-C-G) duplex in solution. 1981 ·Proceedings of the National Academy of Sciences ·Dinshaw J. Patel,Sharon A. Kozlowski,Janet A. Rice,Chris A. Broka,Keiichi Itakura	42
19	Simplifications in the synthesis of short oligonucleotide blocks 1980 ·Nucleic Acids Research ·Chris A. Broka,Toyoharu Hozumi,René Arentzen,Keiichi Itakura	66
20	Crystal structure analysis of a complete turn of B-DNAbreakdown → 1980 ·Nature ·Richard M. Wing,Horace R. Drew,Tsunehiro Takano,Chris A. Broka,Shoji Tanaka,Keiichi Itakura,Richard E. Dickerson	706

About Chris A. Broka

Chris A. Broka is a scholar working on Organic Chemistry, Toxicology and Biochemistry, having authored 31 papers that have together received 3.5k indexed citations. Recurring topics across this work include DNA and Nucleic Acid Chemistry (7 papers), Chemical synthesis and alkaloids (7 papers) and Chemical Synthesis and Analysis (4 papers). The work is most often cited by research in Organic Chemistry (1.1k citations), Molecular Biology (2.4k citations) and Oncology (519 citations). Chris A. Broka has collaborated with scholars based in United States, Germany and Poland. Frequent co-authors include Keiichi Itakura, Richard M. Wing, Richard E. Dickerson, Horace R. Drew, T. Takano, Satoshi Tanaka, Shoji Tanaka, Tsunehiro Takano, Tong Shen and Sharon A. Kozlowski. Their work appears in journals such as Nature, Proceedings of the National Academy of Sciences and Journal of the American Chemical Society.

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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