A. Kawamoto

Diatom pyrenoids are encased in a protein shell that enables efficient CO2 fixation

This study identifies a protein shell surrounding diatom pyrenoids that enhances CO2 fixation efficiency and reveals its structural and functional role through in vivo and in vitro analyses.

Cryo-EM of cytoskeletal 'fibril' protein involved in Spiroplasma swimming

The paper determines the structure of a fibril protein in Spiroplasma using cryo-EM, revealing its helical organization and interactions with MreB filaments.

Structure of cyanobacterial photosystem I complexed with Cytochrome c6 and Ferredoxin at 1.97 A resolution

The paper presents a high-resolution cryo-EM structure of cyanobacterial photosystem I complexed with Cytochrome c6 and Ferredoxin, revealing binding interactions and a proposed electron transfer mechanism.

Chained structure of dimeric F1-like ATPase in Mycoplasma mobile gliding machinery

This study determines the structure of a dimeric F1-like ATPase in Mycoplasma mobile gliding machinery, showing it resembles F1-ATPase and supports an evolutionary link.

Isolation and structure of the fibril protein, a major component of the internal ribbon for Spiroplasma swimming

This study isolates and characterizes the fibril protein, a key component of the helical ribbon in Spiroplasma, revealing its structural organization and role in cell helicity.

Native structure of flagellar MS ring is formed by 34 subunits with 23-fold and 11-fold subsymmetries

The paper determines the native structure of the bacterial flagellar MS ring, revealing it is 34-fold symmetric with 23-fold and 11-fold subsymmetries in its inner and middle regions.

Refined mechanism of Mycoplasma mobile gliding based on structure, ATPase activity, and sialic acid binding of machinery

This paper elucidates the gliding mechanism of Mycoplasma mobile by combining structural analysis, ATPase activity, and sialic acid binding studies.

Translocational unfolding in clostridial binary iota toxin complex

This study reports the structure of the clostridial binary toxin translocation channel and its complex with ADP-ribosyltransferase, revealing a novel mechanism of N-terminal unfolding for protein translocation.