Osamu Koiwai

Molecular cloning of a cDNA of a camptothecin-resistant human DNA topoisomerase I and identification of mutation sites

Eric Patterson, Ken Nishikawa, Ryutaro Yamada, 1991, Nucleic Acids Res..

[Expression and function of terminal deoxynucleotidyl-transferase and discovery of novel DNA polymerase mu].

Osamu Koiwai, Noriko Shimazaki, Kiyoko Fujita, 2002, Seikagaku. The Journal of Japanese Biochemical Society.

Over‐expression of human DNA polymerase lambda in E. coli and characterization of the recombinant enzyme

Kenta Yoshida, Katsuyuki Tamai, Osamu Koiwai, 2002, Genes to cells : devoted to molecular & cellular mechanisms.

Molecular action mode of Hippospongic acid A, an inhibitor of gastrulation of starfish embryos.

Kenji Mori, Mineo Saneyoshi, Masahiko Oshige, 2003, Journal of biochemistry.