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Biological Chemistry Lab
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The lab uses the power of chemistry to create interesting peptides.
AboutAbout the lab
Wanting to create interesting molecules with ease.
The Biological Chemistry Lab conducts research to understand and control biological phenomena through chemistry, at the interface of biochemistry and organic chemistry.
With the shared research motivation of "wanting to easily synthesize and create interesting molecules," the lab uses techniques and molecules such as in vitro artificial biosynthesis, pseudo-natural peptides, biosynthetic enzymes, and in vitro selection.
The lab continues to take on the challenge of bringing fresh ideas to chemical biology, peptide science, and natural product chemistry, and accepts fourth-year undergraduates from the Division of Chemistry in the Faculty of Science every year.
Key terms
- Peptide
- A molecule made of several amino acids linked together; smaller than a protein
- Natural product
- A compound produced by living organisms such as microorganisms and plants
- In vitro selection
- A method of picking out, in a test tube, molecules with a desired function from a large number of candidate molecules
ResearchResearch themes
The lab is developing "pseudo-natural peptides," which retain the characteristic scaffolds of natural products while having their overall structure and function artificially designed.
*Illustrative imageDiscovering New Peptide-Modifying Enzymes
The lab searches for unknown, useful enzymes that build the scaffolds characteristic of natural product peptides and that lie dormant in microbial genes, and studies their functions and properties.
*Illustrative imageSynthesizing Pseudo-Natural Peptides
The lab develops technologies for artificially biosynthesizing pseudo-natural peptides by modifying ribosomal translation in vitro and combining it with organic chemical reactions and enzymatic reactions.
*Illustrative imageCreating Peptides with Desired Activities
Using in vitro selection, which synthesizes more than one trillion candidate pseudo-natural peptides at once and rapidly picks out molecules with the desired activity, the lab creates original drugs that act on a desired target.
*Illustrative imageArtificial Peptides with New Functions
Making full use of techniques for the design, synthesis, and in vitro selection of artificial peptides, the lab takes on the challenge of creating peptides with new functions and roles not found in nature.
MembersFaculty
The Biological Chemistry Lab consists of faculty, secretaries, researchers, and students.As of 2026
- ProfessorYuki Goto
- LecturerTaro Shiraishi
- Assistant ProfessorMarin Yokomine
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Ribosome (NIH BioArt )” Courtesy of NIAID Ryan Kissinger / Public domain (cropped)
- Discovering New Peptide-Modifying Enzymes: “Cinnamycin 2DDE” User:Ayacop / Public domain (cropped)
- Synthesizing Pseudo-Natural Peptides: “Tyrocidin A” Rifleman 82 / Public domain (cropped)
- Creating Peptides with Desired Activities: “PDB 1wco EBI” Jawahar Swaminathan and MSD staff at the European Bioinformatics Institute / Public domain (cropped)
- Artificial Peptides with New Functions: “Cyclic peptide ipglycermide” National Center for Advancing Translational Sciences from Bethesda, MD / Public domain (cropped)
- Related lab (集合有機分子機能研究室
（松永研究室） ): “Ruthenium Catalyst” Crys83 / CC BY-SA 4.0 (cropped) - Related lab (無機物質化学
（堀毛 悟史） ): “General structure of Metal-organic frameworks” Russo V, Hmoudah M, Broccoli F, Iesce MR, Jung O-S and Di Serio M (2020) / CC BY 4.0 (cropped) - Related lab (生物構造化学研究室): “Glycine and glutamate bound Human GluN1a-GluN2D NMDA receptor - Glutamate receptor ionotropic, NMDA 1 - 8E96” Chou, T.-H., Furukawa, H. / CC0 (cropped)
- Related lab (Tochio Lab
（京都大学理学研究科生物物理学教室構造生理学分科） ): “Protein HMOX2 PDB 2q32” Emw / CC BY-SA 3.0 (cropped)
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