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February 21, 2026Biophysical Journal

BPS2026 – Structural insights into the Rubisco-Rubisco activase complex in higher order plants

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Authors

KDKira DeVoreArizona State UniversityKWKazi WaheedaArizona State UniversityIBIsabella L. BreenBrooklyn Navy Yard

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Implication

Cryo-EM reveals dynamic interactions and oligomer formation in Rubisco-Rca complex, suggesting enhanced carbon fixation efficiency.

Key Points

  • To investigate the structural characteristics of the Rubisco-R rubisco activase complex and its role in photosynthesis.
  • Utilized single-particle cryogenic electron microscopy (cryo-EM) for structural analysis.
  • Focused on protein purification and complex assembly from Spinacia oleracea.
  • Examined transient interactions and oligomer formation within the Rubisco-Rca complex.
  • Ongoing work aims to stabilize and visualize the Rubisco-Rca interaction.
  • Preliminary data indicate Rca assembles into higher order oligomers.
  • The study hypothesizes that Rca enhances Rubisco function, supporting improved carbon fixation.

Cite This Study

DeVore et al. (2026) studied this question.

synapsesocial.com/papers/69990e015b97ab4c14ac2cefhttps://doi.org/10.1016/j.bpj.2025.11.414
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