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Article

Starch phosphorylase acts as a pivotal scaffold connecting starch metabolism enzymes with photosystem I subunits.

Plant & cell physiology - 5 Sept 2026

Hwang Seon-Kap, Tian Li, Ng Chun-Yeung, Okita Thomas W

Abstract excerpt

In a previous study, we proposed that starch phosphorylase (Pho1) interacts with PsaC, a core subunit of photosystem I (PSI), although it was not clear whether the interaction was a direct 1:1 relationship or by indirect association with another factor. Here, we validated the Pho1-PsaC interaction in vivo using bimolecular fluorescence complementation analysis. Pulldown assays with wild-type, BMF136, and the...

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Topics

Photosystem I Protein Complex
Starch
Starch Phosphorylase
Arabidopsis
Protein Binding
Protein Subunits

Methodology Data sources Editorial policy Privacy Delete account & data About Contact Helena Bioinformatics

Arabidopsis Proteins

Mutation

Two-Hybrid System Techniques

Source

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Identifiers

PMID: 42133582
DOI: 10.1093/pcp/pcag063
PMCID: PMC13545646

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