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Assembled peptoid crystalline nanomaterials as carbonic anhydrase mimics for promoted hydration and sequestration of CO2

Author

Listed:
  • Progyateg Chakma

    (Pacific Northwest National Laboratory)

  • Ying Chen

    (Pacific Northwest National Laboratory)

  • Bradley S. Harris

    (Pacific Northwest National Laboratory)

  • Yasmene W. Elhady

    (Pacific Northwest National Laboratory
    University of Washington)

  • Renyu Zheng

    (Pacific Northwest National Laboratory
    University of Washington)

  • Mark E. Bowden

    (Pacific Northwest National Laboratory)

  • Vaithiyalingam Shutthanandan

    (Pacific Northwest National Laboratory)

  • Alexander B. Bard

    (Pacific Northwest National Laboratory)

  • Thi Kim Hoang Trinh

    (Pacific Northwest National Laboratory)

  • Xueyun Zheng

    (Pacific Northwest National Laboratory)

  • Christopher J. Mundy

    (Pacific Northwest National Laboratory
    University of Washington)

  • Marcel D. Baer

    (Pacific Northwest National Laboratory)

  • Chun-Long Chen

    (Pacific Northwest National Laboratory
    University of Washington)

Abstract

Carbonic anhydrase (CA) mimics have received significant attention due to their promising applications in the enhanced hydration and sequestration of CO2. Herein, we report the assembly of sequence-defined peptoids into crystalline nanomaterials with controlled microenvironment of active sites as CA mimics for promoted hydration and sequestration of CO2. By incorporating specific ligands into self-assembling peptoids and coordinating these ligands with metal cations, we synthesize a variety of crystalline nanosheets and nanotubes as efficient CA mimics comparable to natural bovine CA. Molecular dynamics simulations reveal the critical roles of peptoid-Zn2+ binding energy and the active site local microenvironment on the catalytic performance of these CA mimics. CO2 precipitation results show that these CA mimics promote the hydration and sequestration of CO2 while retaining high thermal and chemical stabilities. This study offers essential guidance for the future design of high-performance CA-mimics suitable for applications in CO2 capture and sequestration.

Suggested Citation

  • Progyateg Chakma & Ying Chen & Bradley S. Harris & Yasmene W. Elhady & Renyu Zheng & Mark E. Bowden & Vaithiyalingam Shutthanandan & Alexander B. Bard & Thi Kim Hoang Trinh & Xueyun Zheng & Christophe, 2025. "Assembled peptoid crystalline nanomaterials as carbonic anhydrase mimics for promoted hydration and sequestration of CO2," Nature Communications, Nature, vol. 16(1), pages 1-16, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-62366-w
    DOI: 10.1038/s41467-025-62366-w
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