Chojiro Kojima

5.4k total citations · 1 hit paper
118 papers, 4.2k citations indexed

About

Chojiro Kojima is a scholar working on Molecular Biology, Materials Chemistry and Spectroscopy. According to data from OpenAlex, Chojiro Kojima has authored 118 papers receiving a total of 4.2k indexed citations (citations by other indexed papers that have themselves been cited), including 100 papers in Molecular Biology, 19 papers in Materials Chemistry and 16 papers in Spectroscopy. Recurrent topics in Chojiro Kojima's work include DNA and Nucleic Acid Chemistry (36 papers), RNA and protein synthesis mechanisms (27 papers) and Protein Structure and Dynamics (20 papers). Chojiro Kojima is often cited by papers focused on DNA and Nucleic Acid Chemistry (36 papers), RNA and protein synthesis mechanisms (27 papers) and Protein Structure and Dynamics (20 papers). Chojiro Kojima collaborates with scholars based in Japan, United States and Czechia. Chojiro Kojima's co-authors include Akira Ono, Kokoro Hayashi, Yoshiyuki Tanaka, Ko Shimamoto, Kyoko Furuita, Yoshinori Kondo, Shuji Oda, Hiroshi Yamaguchi, Izuru Ohki and Hiroyuki Tsuji and has published in prestigious journals such as Nature, Science and Journal of the American Chemical Society.

In The Last Decade

Chojiro Kojima

114 papers receiving 4.2k 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.

14-3-3 proteins act as intracellular receptors for rice Hd3a florigen

2011 575 citations Izuru Ohki, Hiroyuki Tsuji et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Chojiro Kojima Japan	29	3.1k	1.4k	442	375	355	118	4.2k
Yoshifumi Nishimura Japan	44	5.0k 1.6×	806 0.6×	575 1.3×	604 1.6×	469 1.3×	198	6.2k
John‐Stephen Taylor United States	47	5.7k 1.8×	864 0.6×	298 0.7×	788 2.1×	629 1.8×	143	6.9k
Knud J. Jensen Denmark	39	3.8k 1.2×	681 0.5×	210 0.5×	255 0.7×	118 0.3×	199	5.6k
B.M. Hallberg Sweden	32	3.2k 1.0×	569 0.4×	114 0.3×	444 1.2×	374 1.1×	63	4.6k
Marcus A. Hemminga Netherlands	35	2.1k 0.7×	869 0.6×	555 1.3×	425 1.1×	133 0.4×	166	4.0k
Takahisa Ikegami Japan	31	2.4k 0.8×	331 0.2×	230 0.5×	312 0.8×	221 0.6×	105	3.2k
Genji Kurisu Japan	36	3.5k 1.1×	761 0.5×	140 0.3×	602 1.6×	225 0.6×	152	4.7k
Carola Hunte Germany	41	5.6k 1.8×	387 0.3×	267 0.6×	444 1.2×	432 1.2×	94	6.8k
Larry J. W. Miercke United States	28	3.5k 1.1×	461 0.3×	316 0.7×	387 1.0×	273 0.8×	38	4.8k
Marta Bruix Spain	38	3.0k 0.9×	308 0.2×	309 0.7×	748 2.0×	287 0.8×	164	4.6k

Countries citing papers authored by Chojiro Kojima

Since Specialization

Citations

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

Fields of papers citing papers by Chojiro Kojima

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Chojiro Kojima. 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 Chojiro Kojima. The network helps show where Chojiro Kojima may publish in the future.

Co-authorship network of co-authors of Chojiro Kojima

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

Yamada, Takeshi, et al.. (2022). NMR determination of the 2:1 binding complex of naphthyridine carbamate dimer (NCD) and CGG/CGG triad in double-stranded DNA. Nucleic Acids Research. 50(17). 9621–9631. 9 indexed citations

Taoka, Ken‐ichiro, Shoko Shinya, Kenichi Harada, et al.. (2022). Multifunctional chemical inhibitors of the florigen activation complex discovered by structure‐based high‐throughput screening. The Plant Journal. 112(6). 1337–1349. 6 indexed citations

Liu, Moyan, et al.. (2021). Biochemical propensity mapping for structural and functional anatomy of importin α IBB domain. Genes to Cells. 27(3). 173–191. 5 indexed citations

Sugiki, Toshihiko, Yoshihiro Yamaguchi, Toshimichi Fujiwara, et al.. (2020). In-cell NMR as a sensitive tool to monitor physiological condition of Escherichia coli. Scientific Reports. 10(1). 2466–2466. 8 indexed citations

Yamamoto, Mami, Chojiro Kojima, Toshimichi Fujiwara, et al.. (2019). Structural characterization of the N-terminal kinase-interacting domain of an Hsp90-cochaperone Cdc37 by CD and solution NMR spectroscopy. Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics. 1867(9). 813–820. 4 indexed citations

Miyanoiri, Yohei, Atsushi Hijikata, Seiji Kojima, et al.. (2017). Structural and Functional Analysis of the C-Terminal Region of FliG, an Essential Motor Component of Vibrio Na+-Driven Flagella. Structure. 25(10). 1540–1548.e3. 12 indexed citations

Kinoshita, Misaki, Ju Yaen Kim, Satoshi Kume, et al.. (2015). Physicochemical nature of interfaces controlling ferredoxin NADP+ reductase activity through its interprotein interactions with ferredoxin. Biochimica et Biophysica Acta (BBA) - Bioenergetics. 1847(10). 1200–1211. 11 indexed citations

Ishikawa, Kazuya, Koji Yamaguchi, Satomi Yoshimura, et al.. (2014). Bacterial effector modulation of host E3 ligase activity suppresses PAMP-triggered immunity in rice. Nature Communications. 5(1). 5430–5430. 114 indexed citations

Ohki, Izuru, Kokoro Hayashi, Ryo Tabata, et al.. (2013). Purification, crystallization and preliminary X-ray crystallographic analysis of a rice Rac/Rop GTPase, OsRac1. Acta Crystallographica Section F Structural Biology Communications. 70(1). 113–115. 2 indexed citations

10.

Kojima, Chojiro, Tadahiro Takeda, Noriko Sato, et al.. (2011). Archival Studies on the Nuclear Fusion Research at Universities in Japan (II) -NIFS Nuclear Fusion Archives Chronology-. 426. 1 indexed citations

11.

Wong, Hann Ling, Reinhard Pinontoan, Kokoro Hayashi, et al.. (2007). Regulation of Rice NADPH Oxidase by Binding of Rac GTPase to Its N-Terminal Extension. The Plant Cell. 19(12). 4022–4034. 367 indexed citations

12.

Tanaka, Yoshiyuki, Shuji Oda, Hiroshi Yamaguchi, et al.. (2006). Structural analyses on the mercuryII-mediated T-T base pair. Nucleic Acids Symposium Series. 50(1). 47–48. 6 indexed citations

13.

Nomura, Makoto, Toshiyuki Kohno, Kenichiro Fujiwara, et al.. (2004). Paramagnetic NMR study of Cu²⁺–IDA complex localization on a protein surface and its application to elucidate long distance information. FEBS Letters. 566(1-3). 157–161. 17 indexed citations

14.

Ashida, Hiroki, Y. SAITO, Chojiro Kojima, et al.. (2003). A Functional Link Between RuBisCO-like Protein of Bacillus and Photosynthetic RuBisCO. Science. 302(5643). 286–290. 145 indexed citations

15.

Mishima, Masaki, Seiji Takayama, Keiichi Sasaki, et al.. (2003). Structure of the Male Determinant Factor for Brassica Self-incompatibility. Journal of Biological Chemistry. 278(38). 36389–36395. 41 indexed citations

16.

Kojima, Chojiro, Akira Ono, & Masatsune Kainosho. (2000). Studies of physicochemical properties of N-H•••N hydrogen bonds in DNA, using selective 15N-labeling and direct 15N 1D NMR. Journal of Biomolecular NMR. 18(3). 269–277. 22 indexed citations

17.

Kojima, Chojiro & Masatsune Kainosho. (2000). Simple Suppression of Spurious Peaks in TROSY Experiments. Journal of Magnetic Resonance. 143(2). 417–422. 2 indexed citations

18.

Kojima, Chojiro, Akira Ono, Masatsune Kainosho, & Thomas Leroy James. (1999). Quantitative Measurement of Transverse and Longitudinal Cross-Correlation between13C–1H Dipolar Interaction and13C Chemical Shift Anisotropy: Application to a13C-Labeled DNA Duplex. Journal of Magnetic Resonance. 136(2). 169–175. 15 indexed citations

19.

Kojima, Chojiro, et al.. (1998). DNA Duplex Dynamics: NMR Relaxation Studies of a Decamer with Uniformly13C-Labeled Purine Nucleotides. Journal of Magnetic Resonance. 135(2). 310–333. 51 indexed citations

20.

Tanaka, Makoto, et al.. (1995). Binding affinities of isocarbacyclin methyl ester and its free acid to prostanoid receptors.. PubMed. 45(9). 967–70. 4 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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