Regulation mechanism study of residues E318/319 for KaiC protein phosphorylation.

doi:10.1016/j.bpj.2026.06.023

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Article

Regulation mechanism study of residues E318/319 for KaiC protein phosphorylation.

Biophysical journal - 4 Aug 2026

Guo Wenxin, Zhao Yuqing, Ke Xing, Feng He, Li Anbang, Yan Yumeng, Zhao Yunjie

Abstract excerpt

The biological clock is widely present in living organisms and regulates nearly all life processes. Cyanobacteria are known prokaryotes with the simplest biological clock for circadian rhythm. The KaiC hexamer serves as the core of the cyanobacterial clock and undergoes diurnal rhythm oscillation...

Topics

Phosphorylation
Circadian Rhythm Signaling Peptides and Proteins
Bacterial Proteins
Molecular Dynamics Simulation
Mutation
Magnesium
Protein Stability
Amino Acid Sequence
Adenosine Triphosphate

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